diff --git a/404.html b/404.html
index 24d38fc..2509f6d 100644
--- a/404.html
+++ b/404.html
@@ -317,7 +317,7 @@ <h1>Page not found</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index c60bf05..792a9ba 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -336,7 +336,7 @@ <h1>Contributor Code of Conduct</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/LICENSE.html b/LICENSE.html
index 1cc477f..56e1f03 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -388,7 +388,7 @@ <h1>Licenses</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/aio.html b/aio.html
index 5c06106..176510f 100644
--- a/aio.html
+++ b/aio.html
@@ -553,7 +553,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 any links that you are not going to use. 
  --><!--  ----------------------------------------- --><!--            Link references                 --><!--  ----------------------------------------- --><!-- CDS --><!-- --><!-- VizieR --><!-- VizieR File submission --><!-- VizieR FTP --><!-- VizieR mirrors --><!-- VizieR Readme--><!-- VizieR example Gaia DR3 and other examples--><!-- --><!-- Journals --><!-- --><!-- --><!-- --><!-- --><!-- --><!-- Data centres --><!-- --><!-- Others --><!-- --><!-- Papers --><!-- --><!-- EOSC --></section></section><section id="aio-section_fair_astro"><p>Content from <a href="section_fair_astro.html">FAIR principles for astronomical data</a></p>
 <hr>
-<p> Last updated on 2023-09-15 | 
+<p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_fair_astro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -639,7 +639,7 @@ <h4 class="accordion-header" id="headingSolution1">
   To be Findable
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The first step before reusing the data is to be able to find them.
 The metadata and data should be easy to find for <strong>both humans and
@@ -661,7 +661,7 @@ <h4 class="accordion-header" id="headingSolution2">
   To be Accessible
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Once the data can be found, the user needs to know how to access
 them. That could include authentification and authorisation. The
@@ -689,7 +689,7 @@ <h4 class="accordion-header" id="headingSolution3">
   To be Interoperable
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Those data can then be combined with different datasets, and
 interoperate with other applications or workflows for analysis, storage,
@@ -709,7 +709,7 @@ <h4 class="accordion-header" id="headingSolution4">
   To be Reusable
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The ultimate goal of FAIR is to optimise the reuse of data. To
 achieve this, metadata and data should be well-described, including a
@@ -781,7 +781,7 @@ <h3 class="callout-title">Keep calm and carry on<a class="anchor" aria-label="an
 could be a bit overwhelmed.</p>
 <p>The most important points are highlighted in bold, and some tips when
 creating tables are given at the end.</p>
-<p>Do your best and do not hesitate to contact us if needed: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+<p>Do your best and do not hesitate to contact us if needed: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 </div>
 </div>
 </div>
@@ -927,7 +927,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
 <div class="accordion-body">
 <p>Look for these objects in <a href="http://simbad.cds.unistra.fr/simbad/" class="external-link">Simbad</a>.</p>
 <p>Can you find them?</p>
@@ -942,7 +942,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>I1) Insufficient precision in RA and DEC causes confusion. In this
 case, it could correspond to many objects and different surveys.</p>
@@ -971,7 +971,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>R1) LAMOST J221750.59+210437.1 and SDSS J221746.82+210424.1 are
 potential matches for this incomplete name</p>
@@ -1283,7 +1283,7 @@ <h4 class="accordion-header" id="headingHint2">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
 <div class="accordion-body">
 <p>The quality of the measurement is indicated using a superscript.
 Providing this information using an extra column will make the table
@@ -1299,7 +1299,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <table class="table">
 <thead><tr class="header">
@@ -1517,7 +1517,7 @@ <h4 class="accordion-header" id="headingSolution8">
   List of solutions
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <table class="table">
 <colgroup>
@@ -2380,7 +2380,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>R1) No: filenames should be in lowercase.</p>
 <p>R2) No: filename too long. This filename will be shortened afterwards
@@ -2464,7 +2464,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 any links that you are not going to use. 
  --><!--  ----------------------------------------- --><!--            Link references                 --><!--  ----------------------------------------- --><!-- CDS --><!-- --><!-- VizieR --><!-- VizieR File submission --><!-- VizieR FTP --><!-- VizieR mirrors --><!-- VizieR Readme--><!-- VizieR example Gaia DR3 and other examples--><!-- --><!-- Journals --><!-- --><!-- --><!-- --><!-- --><!-- --><!-- Data centres --><!-- --><!-- Others --><!-- --><!-- Papers --><!-- --><!-- EOSC --></section></section><section id="aio-section_submit_data"><p>Content from <a href="section_submit_data.html">Submitting astronomical data</a></p>
 <hr>
-<p> Last updated on 2023-09-15 | 
+<p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_submit_data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -2593,7 +2593,8 @@ <h3 class="callout-title">What the authors need to do?<a class="anchor" aria-lab
 </li>
 </ul>
 <!-- Contact CDS --><p>For larger files or any other questions, please contact the VizieR
-staff: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+staff: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>
+.</p>
 <!--  ----------------------------------------- -->
 <!--   ReadMe files                             -->
 <!--  ----------------------------------------- -->
@@ -2725,7 +2726,7 @@ <h4 class="accordion-header" id="headingSolution1">
   A. ‘Title of the paper’, ‘Authors’, ‘Reference’
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ul>
 <li>
@@ -2748,7 +2749,7 @@ <h4 class="accordion-header" id="headingSolution2">
   B. ‘Abstract’ and ‘Description’
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ul>
 <li>
@@ -2779,7 +2780,7 @@ <h4 class="accordion-header" id="headingSolution3">
   C. ‘Byte-by-byte Description of file’
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>This section describes the structure of each data files (files with
 the .dat extension). This description is made in a tabular form, each
@@ -2861,8 +2862,8 @@ <h3 id="start-a-session">Start a session<a class="anchor" aria-label="anchor" hr
 until the completion of the process but not after submission.</p>
 <p><strong>Note - 1:</strong> Your login is tight to a given IP
 address.</p>
-<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>
-if a modification to a recently submitted upload is needed.</p>
+<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a> if a
+modification to a recently submitted upload is needed.</p>
 <!-- Submission form Vizier as iframe -->
 <p>Interactive window: VizieR catalogue upload webpage. Note that it is
 not an image, you can submit your files directly from here.
@@ -2991,7 +2992,7 @@ <h3 id="terminate">Terminate<a class="anchor" aria-label="anchor" href="#termina
 <p>Providing an email address is required at that stage. The email will
 be used if additional information is needed.</p>
 <p><strong>Note:</strong> If a modification to a recently uploaded is
-needed, please contact the VizieR staff: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+needed, please contact the VizieR staff: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <figure><img src="https://raw.githubusercontent.com/cds-astro/a-FAIR-journey-for-astronomical-data/main/episodes/images/vizier_submit_online_interface_july23/step5_validate.png" alt="Screenshot: VizieR Catalogue upload page, validate your submission after initiating a session, uploading your tables, filling the ReadMe file and uploading FITS Spectra / Time Series and FITS images, from June 2023" class="figure mx-auto d-block"><figcaption>Figure: VizieR catalogue upload page - step Validate
 (Screenshot)</figcaption></figure><!--  ----------------------------------------- --><!-- 		Step-by-step: FTP		--><!--  ----------------------------------------- --><!-- https://cdsarc.cds.unistra.fr/vizier.submit/help.html -->
 </div>
@@ -3114,7 +3115,7 @@ <h3 id="notify-the-vizier-team">Notify the VizieR team<a class="anchor" aria-lab
 </h3>
 <p>Once you are done uploading your data (<em>ReadMe</em>, tables and
 any other associated data), you need to <strong>SEND AN E-MAIL</strong>
-to the VizieR team telling them where you have placed files: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+to the VizieR team telling them where you have placed files: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <!--  ----------------------------------------- -->
 <!--            Summary	                        -->
 <!--  ----------------------------------------- -->
@@ -3705,7 +3706,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>Browse through <a href="https://eosc-portal.eu/" class="external-link">EOSC Portal</a> to
 answer the previous questions.</p>
@@ -3720,7 +3721,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>R1) This paper was published on <a href="https://explore.eosc-portal.eu/search/dataset?pid=10.26093%2Fcds%2Fvizier.17970082&amp;return_path=search%2Fall&amp;search_params=q%3DNGTS%2520clusters%2520survey" class="external-link">01
 Jan 2017</a>.</p>
@@ -3819,7 +3820,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/config.yaml b/config.yaml
index f070c46..7debaac 100644
--- a/config.yaml
+++ b/config.yaml
@@ -33,7 +33,7 @@ source: 'https://github.com/carpentries/workbench-template-md'
 branch: 'main'
 
 # Who to contact if there are any issues
-contact: 'cats@cdsarc.u-strasbg.fr'
+contact: 'cds-cats@unistra.fr'
 
 # Navigation ------------------------------------------------
 #
diff --git a/images.html b/images.html
index c04b49f..420284e 100644
--- a/images.html
+++ b/images.html
@@ -503,7 +503,7 @@ <h3 id="section_eosc-figure-7">Figure 7</h3>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/index.html b/index.html
index e6184a7..ed81309 100644
--- a/index.html
+++ b/index.html
@@ -461,7 +461,7 @@ <h3 class="callout-title">Checklist<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor-notes.html b/instructor-notes.html
index c8bede6..1245981 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -360,7 +360,7 @@ <h1>Instructor Notes</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/404.html b/instructor/404.html
index 195e3a8..5001e6a 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -317,7 +317,7 @@ <h1>Page not found</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 6951259..2f6c2d5 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -337,7 +337,7 @@ <h1>Contributor Code of Conduct</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index d30d7bc..8cd798d 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -389,7 +389,7 @@ <h1>Licenses</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/aio.html b/instructor/aio.html
index a5c6a26..0363546 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -552,7 +552,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 any links that you are not going to use. 
  --><!--  ----------------------------------------- --><!--            Link references                 --><!--  ----------------------------------------- --><!-- CDS --><!-- --><!-- VizieR --><!-- VizieR File submission --><!-- VizieR FTP --><!-- VizieR mirrors --><!-- VizieR Readme--><!-- VizieR example Gaia DR3 and other examples--><!-- --><!-- Journals --><!-- --><!-- --><!-- --><!-- --><!-- --><!-- Data centres --><!-- --><!-- Others --><!-- --><!-- Papers --><!-- --><!-- EOSC --></section></section><section id="aio-section_fair_astro"><p>Content from <a href="section_fair_astro.html">FAIR principles for astronomical data</a></p>
 <hr>
-<p> Last updated on 2023-09-15 | 
+<p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_fair_astro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time <i aria-hidden="true" data-feather="clock"></i> 16 minutes </p>
@@ -639,7 +639,7 @@ <h4 class="accordion-header" id="headingSolution1">
   To be Findable
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The first step before reusing the data is to be able to find them.
 The metadata and data should be easy to find for <strong>both humans and
@@ -661,7 +661,7 @@ <h4 class="accordion-header" id="headingSolution2">
   To be Accessible
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Once the data can be found, the user needs to know how to access
 them. That could include authentification and authorisation. The
@@ -689,7 +689,7 @@ <h4 class="accordion-header" id="headingSolution3">
   To be Interoperable
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Those data can then be combined with different datasets, and
 interoperate with other applications or workflows for analysis, storage,
@@ -709,7 +709,7 @@ <h4 class="accordion-header" id="headingSolution4">
   To be Reusable
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The ultimate goal of FAIR is to optimise the reuse of data. To
 achieve this, metadata and data should be well-described, including a
@@ -781,7 +781,7 @@ <h3 class="callout-title">Keep calm and carry on<a class="anchor" aria-label="an
 could be a bit overwhelmed.</p>
 <p>The most important points are highlighted in bold, and some tips when
 creating tables are given at the end.</p>
-<p>Do your best and do not hesitate to contact us if needed: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+<p>Do your best and do not hesitate to contact us if needed: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 </div>
 </div>
 </div>
@@ -906,7 +906,7 @@ <h3 class="accordion-header" id="headingInstructor1">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Modified version of Table 1 from Chen et al. 2022:</p>
 <p>Show some examples of improper astronomical designations in
@@ -943,7 +943,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
 <div class="accordion-body">
 <p>Look for these objects in <a href="http://simbad.cds.unistra.fr/simbad/" class="external-link">Simbad</a>.</p>
 <p>Can you find them?</p>
@@ -958,7 +958,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>I1) Insufficient precision in RA and DEC causes confusion. In this
 case, it could correspond to many objects and different surveys.</p>
@@ -987,7 +987,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>R1) LAMOST J221750.59+210437.1 and SDSS J221746.82+210424.1 are
 potential matches for this incomplete name</p>
@@ -1253,7 +1253,7 @@ <h3 class="accordion-header" id="headingInstructor2">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
 <div class="accordion-body">
 <p>Modified version from Table 2 from Chen et al. 2022:</p>
 <p>Show that using LaTeX markups or footnotes in tables affect their
@@ -1315,7 +1315,7 @@ <h4 class="accordion-header" id="headingHint2">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
 <div class="accordion-body">
 <p>The quality of the measurement is indicated using a superscript.
 Providing this information using an extra column will make the table
@@ -1331,7 +1331,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <table class="table">
 <thead><tr class="header">
@@ -1533,7 +1533,7 @@ <h3 class="accordion-header" id="headingInstructor3">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor3" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor3" aria-labelledby="headingInstructor3">
+<div id="collapseInstructor3" class="accordion-collapse collapse" aria-labelledby="headingInstructor3" data-bs-parent="#accordionInstructor3">
 <div class="accordion-body">
 <p>Table 3 from Chen et al. 2022:</p>
 <p>Give some examples of ambiguous facility/ telescope/instrument names
@@ -1565,7 +1565,7 @@ <h4 class="accordion-header" id="headingSolution8">
   List of solutions
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <table class="table">
 <colgroup>
@@ -2412,7 +2412,7 @@ <h3 class="accordion-header" id="headingInstructor1">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Show some good and bad examples of filenames.</p>
 </div>
@@ -2444,7 +2444,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>R1) No: filenames should be in lowercase.</p>
 <p>R2) No: filename too long. This filename will be shortened afterwards
@@ -2528,7 +2528,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 any links that you are not going to use. 
  --><!--  ----------------------------------------- --><!--            Link references                 --><!--  ----------------------------------------- --><!-- CDS --><!-- --><!-- VizieR --><!-- VizieR File submission --><!-- VizieR FTP --><!-- VizieR mirrors --><!-- VizieR Readme--><!-- VizieR example Gaia DR3 and other examples--><!-- --><!-- Journals --><!-- --><!-- --><!-- --><!-- --><!-- --><!-- Data centres --><!-- --><!-- Others --><!-- --><!-- Papers --><!-- --><!-- EOSC --></section></section><section id="aio-section_submit_data"><p>Content from <a href="section_submit_data.html">Submitting astronomical data</a></p>
 <hr>
-<p> Last updated on 2023-09-15 | 
+<p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_submit_data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time <i aria-hidden="true" data-feather="clock"></i> 10 minutes </p>
@@ -2658,7 +2658,8 @@ <h3 class="callout-title">What the authors need to do?<a class="anchor" aria-lab
 </li>
 </ul>
 <!-- Contact CDS --><p>For larger files or any other questions, please contact the VizieR
-staff: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+staff: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>
+.</p>
 <!--  ----------------------------------------- -->
 <!--   ReadMe files                             -->
 <!--  ----------------------------------------- -->
@@ -2790,7 +2791,7 @@ <h4 class="accordion-header" id="headingSolution1">
   A. ‘Title of the paper’, ‘Authors’, ‘Reference’
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ul>
 <li>
@@ -2813,7 +2814,7 @@ <h4 class="accordion-header" id="headingSolution2">
   B. ‘Abstract’ and ‘Description’
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ul>
 <li>
@@ -2844,7 +2845,7 @@ <h4 class="accordion-header" id="headingSolution3">
   C. ‘Byte-by-byte Description of file’
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>This section describes the structure of each data files (files with
 the .dat extension). This description is made in a tabular form, each
@@ -2926,8 +2927,8 @@ <h3 id="start-a-session">Start a session<a class="anchor" aria-label="anchor" hr
 until the completion of the process but not after submission.</p>
 <p><strong>Note - 1:</strong> Your login is tight to a given IP
 address.</p>
-<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>
-if a modification to a recently submitted upload is needed.</p>
+<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a> if a
+modification to a recently submitted upload is needed.</p>
 <!-- Submission form Vizier as iframe -->
 <p>Interactive window: VizieR catalogue upload webpage. Note that it is
 not an image, you can submit your files directly from here.
@@ -3056,7 +3057,7 @@ <h3 id="terminate">Terminate<a class="anchor" aria-label="anchor" href="#termina
 <p>Providing an email address is required at that stage. The email will
 be used if additional information is needed.</p>
 <p><strong>Note:</strong> If a modification to a recently uploaded is
-needed, please contact the VizieR staff: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+needed, please contact the VizieR staff: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <figure><img src="https://raw.githubusercontent.com/cds-astro/a-FAIR-journey-for-astronomical-data/main/episodes/images/vizier_submit_online_interface_july23/step5_validate.png" alt="Screenshot: VizieR Catalogue upload page, validate your submission after initiating a session, uploading your tables, filling the ReadMe file and uploading FITS Spectra / Time Series and FITS images, from June 2023" class="figure mx-auto d-block"><figcaption>Figure: VizieR catalogue upload page - step Validate
 (Screenshot)</figcaption></figure><!--  ----------------------------------------- --><!-- 		Step-by-step: FTP		--><!--  ----------------------------------------- --><!-- https://cdsarc.cds.unistra.fr/vizier.submit/help.html -->
 </div>
@@ -3179,7 +3180,7 @@ <h3 id="notify-the-vizier-team">Notify the VizieR team<a class="anchor" aria-lab
 </h3>
 <p>Once you are done uploading your data (<em>ReadMe</em>, tables and
 any other associated data), you need to <strong>SEND AN E-MAIL</strong>
-to the VizieR team telling them where you have placed files: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+to the VizieR team telling them where you have placed files: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <!--  ----------------------------------------- -->
 <!--            Summary	                        -->
 <!--  ----------------------------------------- -->
@@ -3753,7 +3754,7 @@ <h3 class="accordion-header" id="headingInstructor1">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>Browse through EOSC Portal to find some datasets and publications,
 and answer the following questions.</p>
@@ -3788,7 +3789,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>Browse through <a href="https://eosc-portal.eu/" class="external-link">EOSC Portal</a> to
 answer the previous questions.</p>
@@ -3803,7 +3804,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>R1) This paper was published on <a href="https://explore.eosc-portal.eu/search/dataset?pid=10.26093%2Fcds%2Fvizier.17970082&amp;return_path=search%2Fall&amp;search_params=q%3DNGTS%2520clusters%2520survey" class="external-link">01
 Jan 2017</a>.</p>
@@ -3902,7 +3903,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/images.html b/instructor/images.html
index 6c01950..4d13968 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -501,7 +501,7 @@ <h3 id="section_eosc-figure-7">Figure 7</h3>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/index.html b/instructor/index.html
index bda94bb..a22707b 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -535,7 +535,7 @@ <h3 class="callout-title">Checklist<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 2835e50..a2250ad 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -400,7 +400,7 @@ <h3 id="section_eosc-headingInstructor1">
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/key-points.html b/instructor/key-points.html
index cb1a779..8340330 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -457,7 +457,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 50094c2..938229e 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -289,7 +289,7 @@ <h1>Learner Profiles</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/reference.html b/instructor/reference.html
index fd1f5be..7245f27 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -346,7 +346,7 @@ <h1>Reference</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/section1_intro.html b/instructor/section1_intro.html
index 28a82ec..c5d970a 100644
--- a/instructor/section1_intro.html
+++ b/instructor/section1_intro.html
@@ -524,7 +524,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/section_data_curation.html b/instructor/section_data_curation.html
index af98506..dbb0586 100644
--- a/instructor/section_data_curation.html
+++ b/instructor/section_data_curation.html
@@ -632,7 +632,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/section_eosc.html b/instructor/section_eosc.html
index c8f2a8d..e220104 100644
--- a/instructor/section_eosc.html
+++ b/instructor/section_eosc.html
@@ -426,7 +426,7 @@ <h3 class="accordion-header" id="headingInstructor1">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>Browse through EOSC Portal to find some datasets and publications,
 and answer the following questions.</p>
@@ -461,7 +461,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>Browse through <a href="https://eosc-portal.eu/" class="external-link">EOSC Portal</a> to
 answer the previous questions.</p>
@@ -476,7 +476,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>R1) This paper was published on <a href="https://explore.eosc-portal.eu/search/dataset?pid=10.26093%2Fcds%2Fvizier.17970082&amp;return_path=search%2Fall&amp;search_params=q%3DNGTS%2520clusters%2520survey" class="external-link">01
 Jan 2017</a>.</p>
@@ -580,7 +580,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/section_fair_astro.html b/instructor/section_fair_astro.html
index 2cf2cec..ef39b63 100644
--- a/instructor/section_fair_astro.html
+++ b/instructor/section_fair_astro.html
@@ -288,7 +288,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>FAIR principles for astronomical data</h1>
-        <p> Last updated on 2023-09-15 | 
+        <p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_fair_astro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -380,7 +380,7 @@ <h4 class="accordion-header" id="headingSolution1">
   To be Findable
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The first step before reusing the data is to be able to find them.
 The metadata and data should be easy to find for <strong>both humans and
@@ -402,7 +402,7 @@ <h4 class="accordion-header" id="headingSolution2">
   To be Accessible
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Once the data can be found, the user needs to know how to access
 them. That could include authentification and authorisation. The
@@ -428,7 +428,7 @@ <h4 class="accordion-header" id="headingSolution3">
   To be Interoperable
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Those data can then be combined with different datasets, and
 interoperate with other applications or workflows for analysis, storage,
@@ -448,7 +448,7 @@ <h4 class="accordion-header" id="headingSolution4">
   To be Reusable
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The ultimate goal of FAIR is to optimise the reuse of data. To
 achieve this, metadata and data should be well-described, including a
@@ -515,7 +515,7 @@ <h3 class="callout-title">Keep calm and carry on<a class="anchor" aria-label="an
 could be a bit overwhelmed.</p>
 <p>The most important points are highlighted in bold, and some tips when
 creating tables are given at the end.</p>
-<p>Do your best and do not hesitate to contact us if needed: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+<p>Do your best and do not hesitate to contact us if needed: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 </div>
 </div>
 </div>
@@ -628,7 +628,7 @@ <h3 class="accordion-header" id="headingInstructor1">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Modified version of Table 1 from Chen et al. 2022:</p>
 <p>Show some examples of improper astronomical designations in
@@ -665,7 +665,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
 <div class="accordion-body">
 <p>Look for these objects in <a href="http://simbad.cds.unistra.fr/simbad/" class="external-link">Simbad</a>.</p>
 <p>Can you find them?</p>
@@ -680,7 +680,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>I1) Insufficient precision in RA and DEC causes confusion. In this
 case, it could correspond to many objects and different surveys.</p>
@@ -709,7 +709,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>R1) LAMOST J221750.59+210437.1 and SDSS J221746.82+210424.1 are
 potential matches for this incomplete name</p>
@@ -939,7 +939,7 @@ <h3 class="accordion-header" id="headingInstructor2">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
 <div class="accordion-body">
 <p>Modified version from Table 2 from Chen et al. 2022:</p>
 <p>Show that using LaTeX markups or footnotes in tables affect their
@@ -980,7 +980,7 @@ <h4 class="accordion-header" id="headingHint2">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
 <div class="accordion-body">
 <p>The quality of the measurement is indicated using a superscript.
 Providing this information using an extra column will make the table
@@ -996,7 +996,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <table class="table"><thead><tr class="header"><th>Object</th>
 <th align="center">Redshift</th>
@@ -1161,7 +1161,7 @@ <h3 class="accordion-header" id="headingInstructor3">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor3" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor3" aria-labelledby="headingInstructor3">
+<div id="collapseInstructor3" class="accordion-collapse collapse" aria-labelledby="headingInstructor3" data-bs-parent="#accordionInstructor3">
 <div class="accordion-body">
 <p>Table 3 from Chen et al. 2022:</p>
 <p>Give some examples of ambiguous facility/ telescope/instrument names
@@ -1193,7 +1193,7 @@ <h4 class="accordion-header" id="headingSolution8">
   List of solutions
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <table class="table"><colgroup><col width="39%"><col width="60%"></colgroup><thead><tr class="header"><th>Names as published</th>
 <th>Possible interpretation</th>
@@ -1356,7 +1356,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
@@ -1386,7 +1386,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://carpentries.github.io/workbench-template-md/instructor/section_fair_astro.html",
   "identifier": "https://carpentries.github.io/workbench-template-md/instructor/section_fair_astro.html",
   "dateCreated": "2023-10-31",
-  "dateModified": "2023-09-15",
+  "dateModified": "2023-10-31",
   "datePublished": "2023-10-31"
 }
 
diff --git a/instructor/section_prepare_data.html b/instructor/section_prepare_data.html
index d355ff8..3fc573b 100644
--- a/instructor/section_prepare_data.html
+++ b/instructor/section_prepare_data.html
@@ -559,7 +559,7 @@ <h3 class="accordion-header" id="headingInstructor1">
   Instructor Note
   </h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
 <div class="accordion-body">
 <p>Show some good and bad examples of filenames.</p>
 </div>
@@ -591,7 +591,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>R1) No: filenames should be in lowercase.</p>
 <p>R2) No: filename too long. This filename will be shortened afterwards
@@ -695,7 +695,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/section_submission_per_journal.html b/instructor/section_submission_per_journal.html
index 78e4c4b..e3d095f 100644
--- a/instructor/section_submission_per_journal.html
+++ b/instructor/section_submission_per_journal.html
@@ -566,7 +566,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/instructor/section_submit_data.html b/instructor/section_submit_data.html
index 7a5966f..db2fd01 100644
--- a/instructor/section_submit_data.html
+++ b/instructor/section_submit_data.html
@@ -274,7 +274,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Submitting astronomical data</h1>
-        <p> Last updated on 2023-09-15 | 
+        <p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_submit_data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -391,7 +391,8 @@ <h3 class="callout-title">What the authors need to do?<a class="anchor" aria-lab
 your data”</a>.</li>
 </ul></li>
 </ul><!-- Contact CDS --><p>For larger files or any other questions, please contact the VizieR
-staff: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+staff: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>
+.</p>
 <!--  ----------------------------------------- -->
 <!--   ReadMe files                             -->
 <!--  ----------------------------------------- -->
@@ -509,7 +510,7 @@ <h4 class="accordion-header" id="headingSolution1">
   A. ‘Title of the paper’, ‘Authors’, ‘Reference’
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ul><li>
 <strong>Title of the paper</strong>: Title as written in paper</li>
@@ -530,7 +531,7 @@ <h4 class="accordion-header" id="headingSolution2">
   B. ‘Abstract’ and ‘Description’
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ul><li>
 <strong>Abstract</strong>: Describes the <em>scientific results</em>
@@ -555,7 +556,7 @@ <h4 class="accordion-header" id="headingSolution3">
   C. ‘Byte-by-byte Description of file’
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>This section describes the structure of each data files (files with
 the .dat extension). This description is made in a tabular form, each
@@ -630,8 +631,8 @@ <h3 id="start-a-session">Start a session<a class="anchor" aria-label="anchor" hr
 until the completion of the process but not after submission.</p>
 <p><strong>Note - 1:</strong> Your login is tight to a given IP
 address.</p>
-<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>
-if a modification to a recently submitted upload is needed.</p>
+<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a> if a
+modification to a recently submitted upload is needed.</p>
 <!-- Submission form Vizier as iframe -->
 <p>Interactive window: VizieR catalogue upload webpage. Note that it is
 not an image, you can submit your files directly from here.
@@ -736,7 +737,7 @@ <h3 id="terminate">Terminate<a class="anchor" aria-label="anchor" href="#termina
 </ul><p>Providing an email address is required at that stage. The email will
 be used if additional information is needed.</p>
 <p><strong>Note:</strong> If a modification to a recently uploaded is
-needed, please contact the VizieR staff: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+needed, please contact the VizieR staff: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <figure><img src="https://raw.githubusercontent.com/cds-astro/a-FAIR-journey-for-astronomical-data/main/episodes/images/vizier_submit_online_interface_july23/step5_validate.png" alt="Screenshot: VizieR Catalogue upload page, validate your submission after initiating a session, uploading your tables, filling the ReadMe file and uploading FITS Spectra / Time Series and FITS images, from June 2023" class="figure mx-auto d-block"><figcaption>Figure: VizieR catalogue upload page - step Validate
 (Screenshot)</figcaption></figure><!--  ----------------------------------------- --><!-- 		Step-by-step: FTP		--><!--  ----------------------------------------- --><!-- https://cdsarc.cds.unistra.fr/vizier.submit/help.html --></div>
 </section><section id="data-submission-option-2-file-transfer-protocol"><h2 class="section-heading">Data submission (option 2): File Transfer Protocol<a class="anchor" aria-label="anchor" href="#data-submission-option-2-file-transfer-protocol"></a>
@@ -848,7 +849,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <h3 id="notify-the-vizier-team">Notify the VizieR team<a class="anchor" aria-label="anchor" href="#notify-the-vizier-team"></a></h3>
 <p>Once you are done uploading your data (<em>ReadMe</em>, tables and
 any other associated data), you need to <strong>SEND AN E-MAIL</strong>
-to the VizieR team telling them where you have placed files: <a href="../mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+to the VizieR team telling them where you have placed files: <a href="../mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <!--  ----------------------------------------- -->
 <!--            Summary	                        -->
 <!--  ----------------------------------------- -->
@@ -928,7 +929,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
@@ -958,7 +959,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://carpentries.github.io/workbench-template-md/instructor/section_submit_data.html",
   "identifier": "https://carpentries.github.io/workbench-template-md/instructor/section_submit_data.html",
   "dateCreated": "2023-10-31",
-  "dateModified": "2023-09-15",
+  "dateModified": "2023-10-31",
   "datePublished": "2023-10-31"
 }
 
diff --git a/key-points.html b/key-points.html
index 215f19b..dd30e72 100644
--- a/key-points.html
+++ b/key-points.html
@@ -459,7 +459,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/md5sum.txt b/md5sum.txt
index 9440aee..5c18a36 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -1,14 +1,14 @@
 "file" "checksum" "built" "date"
 "CODE_OF_CONDUCT.md" "c93c83c630db2fe2462240bf72552548" "site/built/CODE_OF_CONDUCT.md" "2022-08-05"
 "LICENSE.md" "afaf427b4223952624dcb6d8ded53ec0" "site/built/LICENSE.md" "2022-04-22"
-"config.yaml" "82af3ae54257fd92f3ff40da4c1c410f" "site/built/config.yaml" "2023-10-31"
+"config.yaml" "e013fa4ac4db64788b82f790562b415f" "site/built/config.yaml" "2023-10-31"
 "index.md" "92f85d596520f332ccec5fde5c1f420e" "site/built/index.md" "2023-07-05"
 "links.md" "9f1d93604c4f0f109b23601f91d3bf78" "site/built/links.md" "2023-09-15"
 "episodes/section1_intro.md" "b398ebf7c87a8cdcf53da198f8d7efc6" "site/built/section1_intro.md" "2023-09-14"
-"episodes/section_fair_astro.md" "1e826c442055b46db9bda3c1557daabb" "site/built/section_fair_astro.md" "2023-09-15"
+"episodes/section_fair_astro.md" "f38a47c62b8103cb2635cff19cd4d296" "site/built/section_fair_astro.md" "2023-10-31"
 "episodes/section_submission_per_journal.md" "a0968c9787f388a2265b5290b5ec27fb" "site/built/section_submission_per_journal.md" "2023-09-14"
 "episodes/section_prepare_data.md" "3e98f2ab59df09c2b7b37a5f959b75c6" "site/built/section_prepare_data.md" "2023-09-11"
-"episodes/section_submit_data.md" "2053a84d0fc416accdca2c3636266c36" "site/built/section_submit_data.md" "2023-09-15"
+"episodes/section_submit_data.md" "846334a7f356a1c12e266e865d07c024" "site/built/section_submit_data.md" "2023-10-31"
 "episodes/section_data_curation.md" "7762c4a4bfadb80226d6d18f283c0804" "site/built/section_data_curation.md" "2023-09-11"
 "episodes/section_eosc.md" "602f27426f3498b4beeb9b8b0ee4a4b1" "site/built/section_eosc.md" "2023-09-07"
 "instructors/instructor-notes.md" "60b93493cf1da06dfd63255d73854461" "site/built/instructor-notes.md" "2022-04-22"
diff --git a/pkgdown.yml b/pkgdown.yml
index bd7b5f8..13e479a 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-10-31T12:02Z
+last_built: 2023-10-31T14:47Z
 
diff --git a/profiles.html b/profiles.html
index 55c78b0..ee67458 100644
--- a/profiles.html
+++ b/profiles.html
@@ -290,7 +290,7 @@ <h1>Learner Profiles</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/reference.html b/reference.html
index cf64cbd..0df55a2 100644
--- a/reference.html
+++ b/reference.html
@@ -345,7 +345,7 @@ <h1>Reference</h1>
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/section1_intro.html b/section1_intro.html
index 28329ae..587ce92 100644
--- a/section1_intro.html
+++ b/section1_intro.html
@@ -523,7 +523,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/section_data_curation.html b/section_data_curation.html
index 72a263b..03b1ef0 100644
--- a/section_data_curation.html
+++ b/section_data_curation.html
@@ -631,7 +631,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/section_eosc.html b/section_eosc.html
index a1b0b8f..5ccf81d 100644
--- a/section_eosc.html
+++ b/section_eosc.html
@@ -444,7 +444,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
 <div class="accordion-body">
 <p>Browse through <a href="https://eosc-portal.eu/" class="external-link">EOSC Portal</a> to
 answer the previous questions.</p>
@@ -459,7 +459,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>R1) This paper was published on <a href="https://explore.eosc-portal.eu/search/dataset?pid=10.26093%2Fcds%2Fvizier.17970082&amp;return_path=search%2Fall&amp;search_params=q%3DNGTS%2520clusters%2520survey" class="external-link">01
 Jan 2017</a>.</p>
@@ -563,7 +563,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/section_fair_astro.html b/section_fair_astro.html
index 5e33f9e..5b7110f 100644
--- a/section_fair_astro.html
+++ b/section_fair_astro.html
@@ -289,7 +289,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>FAIR principles for astronomical data</h1>
-        <p> Last updated on 2023-09-15 | 
+        <p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_fair_astro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -379,7 +379,7 @@ <h4 class="accordion-header" id="headingSolution1">
   To be Findable
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The first step before reusing the data is to be able to find them.
 The metadata and data should be easy to find for <strong>both humans and
@@ -401,7 +401,7 @@ <h4 class="accordion-header" id="headingSolution2">
   To be Accessible
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Once the data can be found, the user needs to know how to access
 them. That could include authentification and authorisation. The
@@ -427,7 +427,7 @@ <h4 class="accordion-header" id="headingSolution3">
   To be Interoperable
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>Those data can then be combined with different datasets, and
 interoperate with other applications or workflows for analysis, storage,
@@ -447,7 +447,7 @@ <h4 class="accordion-header" id="headingSolution4">
   To be Reusable
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>The ultimate goal of FAIR is to optimise the reuse of data. To
 achieve this, metadata and data should be well-described, including a
@@ -514,7 +514,7 @@ <h3 class="callout-title">Keep calm and carry on<a class="anchor" aria-label="an
 could be a bit overwhelmed.</p>
 <p>The most important points are highlighted in bold, and some tips when
 creating tables are given at the end.</p>
-<p>Do your best and do not hesitate to contact us if needed: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+<p>Do your best and do not hesitate to contact us if needed: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 </div>
 </div>
 </div>
@@ -648,7 +648,7 @@ <h4 class="accordion-header" id="headingHint1">
   Give me a hint
   </h4>
 </button>
-<div id="collapseHint1" class="accordion-collapse collapse" data-bs-parent="#accordionHint1" aria-labelledby="headingHint1">
+<div id="collapseHint1" class="accordion-collapse collapse" aria-labelledby="headingHint1" data-bs-parent="#accordionHint1">
 <div class="accordion-body">
 <p>Look for these objects in <a href="http://simbad.cds.unistra.fr/simbad/" class="external-link">Simbad</a>.</p>
 <p>Can you find them?</p>
@@ -663,7 +663,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <p>I1) Insufficient precision in RA and DEC causes confusion. In this
 case, it could correspond to many objects and different surveys.</p>
@@ -692,7 +692,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>R1) LAMOST J221750.59+210437.1 and SDSS J221746.82+210424.1 are
 potential matches for this incomplete name</p>
@@ -947,7 +947,7 @@ <h4 class="accordion-header" id="headingHint2">
   Why is it improper?
   </h4>
 </button>
-<div id="collapseHint2" class="accordion-collapse collapse" data-bs-parent="#accordionHint2" aria-labelledby="headingHint2">
+<div id="collapseHint2" class="accordion-collapse collapse" aria-labelledby="headingHint2" data-bs-parent="#accordionHint2">
 <div class="accordion-body">
 <p>The quality of the measurement is indicated using a superscript.
 Providing this information using an extra column will make the table
@@ -963,7 +963,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Recommended usage
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <table class="table"><thead><tr class="header"><th>Object</th>
 <th align="center">Redshift</th>
@@ -1144,7 +1144,7 @@ <h4 class="accordion-header" id="headingSolution8">
   List of solutions
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <table class="table"><colgroup><col width="39%"><col width="60%"></colgroup><thead><tr class="header"><th>Names as published</th>
 <th>Possible interpretation</th>
@@ -1307,7 +1307,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
@@ -1337,7 +1337,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://carpentries.github.io/workbench-template-md/section_fair_astro.html",
   "identifier": "https://carpentries.github.io/workbench-template-md/section_fair_astro.html",
   "dateCreated": "2023-10-31",
-  "dateModified": "2023-09-15",
+  "dateModified": "2023-10-31",
   "datePublished": "2023-10-31"
 }
 
diff --git a/section_prepare_data.html b/section_prepare_data.html
index ca1ab18..e13bb42 100644
--- a/section_prepare_data.html
+++ b/section_prepare_data.html
@@ -576,7 +576,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>R1) No: filenames should be in lowercase.</p>
 <p>R2) No: filename too long. This filename will be shortened afterwards
@@ -680,7 +680,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/section_submission_per_journal.html b/section_submission_per_journal.html
index 443f28d..c1c36a3 100644
--- a/section_submission_per_journal.html
+++ b/section_submission_per_journal.html
@@ -565,7 +565,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
diff --git a/section_submit_data.html b/section_submit_data.html
index 29d8099..111dbef 100644
--- a/section_submit_data.html
+++ b/section_submit_data.html
@@ -275,7 +275,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Submitting astronomical data</h1>
-        <p> Last updated on 2023-09-15 | 
+        <p> Last updated on 2023-10-31 | 
         
         <a href="https://github.com/carpentries/workbench-template-md/edit/main/episodes/section_submit_data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -390,7 +390,8 @@ <h3 class="callout-title">What the authors need to do?<a class="anchor" aria-lab
 your data”</a>.</li>
 </ul></li>
 </ul><!-- Contact CDS --><p>For larger files or any other questions, please contact the VizieR
-staff: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+staff: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>
+.</p>
 <!--  ----------------------------------------- -->
 <!--   ReadMe files                             -->
 <!--  ----------------------------------------- -->
@@ -508,7 +509,7 @@ <h4 class="accordion-header" id="headingSolution1">
   A. ‘Title of the paper’, ‘Authors’, ‘Reference’
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ul><li>
 <strong>Title of the paper</strong>: Title as written in paper</li>
@@ -529,7 +530,7 @@ <h4 class="accordion-header" id="headingSolution2">
   B. ‘Abstract’ and ‘Description’
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ul><li>
 <strong>Abstract</strong>: Describes the <em>scientific results</em>
@@ -554,7 +555,7 @@ <h4 class="accordion-header" id="headingSolution3">
   C. ‘Byte-by-byte Description of file’
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>This section describes the structure of each data files (files with
 the .dat extension). This description is made in a tabular form, each
@@ -629,8 +630,8 @@ <h3 id="start-a-session">Start a session<a class="anchor" aria-label="anchor" hr
 until the completion of the process but not after submission.</p>
 <p><strong>Note - 1:</strong> Your login is tight to a given IP
 address.</p>
-<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>
-if a modification to a recently submitted upload is needed.</p>
+<p><strong>Note - 2:</strong> Please contact the VizieR staff: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a> if a
+modification to a recently submitted upload is needed.</p>
 <!-- Submission form Vizier as iframe -->
 <p>Interactive window: VizieR catalogue upload webpage. Note that it is
 not an image, you can submit your files directly from here.
@@ -735,7 +736,7 @@ <h3 id="terminate">Terminate<a class="anchor" aria-label="anchor" href="#termina
 </ul><p>Providing an email address is required at that stage. The email will
 be used if additional information is needed.</p>
 <p><strong>Note:</strong> If a modification to a recently uploaded is
-needed, please contact the VizieR staff: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+needed, please contact the VizieR staff: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <figure><img src="https://raw.githubusercontent.com/cds-astro/a-FAIR-journey-for-astronomical-data/main/episodes/images/vizier_submit_online_interface_july23/step5_validate.png" alt="Screenshot: VizieR Catalogue upload page, validate your submission after initiating a session, uploading your tables, filling the ReadMe file and uploading FITS Spectra / Time Series and FITS images, from June 2023" class="figure mx-auto d-block"><figcaption>Figure: VizieR catalogue upload page - step Validate
 (Screenshot)</figcaption></figure><!--  ----------------------------------------- --><!-- 		Step-by-step: FTP		--><!--  ----------------------------------------- --><!-- https://cdsarc.cds.unistra.fr/vizier.submit/help.html --></div>
 </section><section id="data-submission-option-2-file-transfer-protocol"><h2 class="section-heading">Data submission (option 2): File Transfer Protocol<a class="anchor" aria-label="anchor" href="#data-submission-option-2-file-transfer-protocol"></a>
@@ -847,7 +848,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <h3 id="notify-the-vizier-team">Notify the VizieR team<a class="anchor" aria-label="anchor" href="#notify-the-vizier-team"></a></h3>
 <p>Once you are done uploading your data (<em>ReadMe</em>, tables and
 any other associated data), you need to <strong>SEND AN E-MAIL</strong>
-to the VizieR team telling them where you have placed files: <a href="mailto:cats@cdsarc.u-strasbg.fr">cats(at)cdsarc.u-strasbg.fr</a>.</p>
+to the VizieR team telling them where you have placed files: <a href="mailto:cds-cats@unistra.fr">cds-cats(at)unistra.fr</a>.</p>
 <!--  ----------------------------------------- -->
 <!--            Summary	                        -->
 <!--  ----------------------------------------- -->
@@ -927,7 +928,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
 	
         | <a href="https://github.com/carpentries/workbench-template-md/blob/main/CONTRIBUTING.md" class="external-link">Contributing</a> 
         | <a href="https://github.com/carpentries/workbench-template-md/" class="external-link">Source</a></p>
-				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cats@cdsarc.u-strasbg.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
+				<p><a href="https://github.com/carpentries/workbench-template-md/blob/main/CITATION" class="external-link">Cite</a> | <a href="mailto:cds-cats@unistra.fr">Contact</a> | <a href="https://carpentries.org/about/" class="external-link">About</a></p>
 			</div>
 			<div class="col-md-6">
         
@@ -957,7 +958,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://carpentries.github.io/workbench-template-md/section_submit_data.html",
   "identifier": "https://carpentries.github.io/workbench-template-md/section_submit_data.html",
   "dateCreated": "2023-10-31",
-  "dateModified": "2023-09-15",
+  "dateModified": "2023-10-31",
   "datePublished": "2023-10-31"
 }