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This lesson is subject to the Code of Conduct

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"url": "https://carpentries.github.io/workbench-template-md/404.html", "identifier": "https://carpentries.github.io/workbench-template-md/404.html", "dateCreated": "2023-11-06", - "dateModified": "2024-07-02", - "datePublished": "2024-07-02" + "dateModified": "2024-07-09", + "datePublished": "2024-07-09" }

Content from FAIR principles for astronomical data

Last updated on 2023-11-06 | - + Edit this page

@@ -650,7 +656,8 @@

Objectives

-

Overview +

Overview +

The CDS and other astronomical data centers are storing and @@ -667,7 +674,8 @@

Objectives

publication in the astronomical field.

Figure -- Summary data journey from a publication to VizieR and then EOSC: beginning of the journey - step data published in a refereed paper
Figure: Journey from a publication to EOSC, beginning of the journey - step 1 “peer reviewed datasets”
-

What are the FAIR principles? +

What are the FAIR principles? +

Formalized by Wilkinson et al. in 2016 (DOI: 10.1038/sdata.2016.18), @@ -700,7 +708,7 @@

The FAIR Guiding Principles in more depth

+

In 2022, Chen et al. (DOI: 10.3847/1538-4365/ac6268) @@ -840,8 +849,9 @@

Keep calm and carry on

+

+

@@ -867,12 +877,12 @@

Examples 
 a) “... used by the Dark Energy Survey (DES)...”
-b) The period of a periodic phenomenon should be given as 
-“P = 1.23456±0.00012 days” instead of “P = 1.23456(12) days”. 
-c) Present a measurement as 0.123±0.002, 
+b) The period of a periodic phenomenon should be given as
+“P = 1.23456±0.00012 days” instead of “P = 1.23456(12) days”.
+c) Present a measurement as 0.123±0.002,
 not 0.12345±0.002 or 0.123±0.00234.
 d) Present source color “(B-V) = 0.45 mag” instead of “(B-V) = 0.45”
-e) State your preferred solution in the text and have a dedicated column 
+e) State your preferred solution in the text and have a dedicated column
 for the adopted solution in your Table, as shown in Table 8 from VizieR catalogue J/ApJS/261/19

@@ -881,8 +891,9 @@

Examples

-

+

+

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ExamplesDictionary of Nomenclature of +f) Confirm any new acronym to the Dictionary of Nomenclature of Celestial Objects. -g) J092712.64+294344.0 indicates a positional accuracy of 0.15 arcsec +g) J092712.64+294344.0 indicates a positional accuracy of 0.15 arcsec while J092712.644+294344.02 indicates an accuracy of 0.015 arcsec. ## Known objects h) Creating a fanciful name for an object with an existing designation is especially discourage. -h) Validate all the identifiers for known objects in their publications +h) Validate all the identifiers for known objects in their publications through Sesame. -A service hosted by CDS that queries NED, SIMBAD, and VizieR to help +A service hosted by CDS that queries NED, SIMBAD, and VizieR to help resolve object names. ## Cross-identifications i) Always verify with established databases that all of the names -given to an object are valid cross-identifications for the object and +given to an object are valid cross-identifications for the object and that the listed positions are for the same object. -

@@ -980,7 +991,7 @@

Quiz: Why are these astronomical designations improper -
+

Look for these objects in Simbad.

Can you find them?

@@ -993,7 +1004,7 @@

Give me a hint

-
+

I1) Insufficient precision in RA and DEC causes confusion. In this case, it could correspond to many objects and different surveys.

@@ -1020,7 +1031,7 @@

Why is it improper?

-
+

R1) LAMOST J221750.59+210437.1 and SDSS J221746.82+210424.1 are potential matches for this incomplete name

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Recommended usage

-

+

+

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Examples

+

+

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Photometry (§2.3)

Examples 

a) Facility ground-based or space-based, specific instrument configuration information.
-b) Point spread function fitting, aperture photometry, etc. 
-c) Indicate “Johnson B” or “Cousins B” instead of just “B”; 
-use “2MASS Ks” instead of just “K”. 
+b) Point spread function fitting, aperture photometry, etc.
+c) Indicate “Johnson B” or “Cousins B” instead of just “B”;
+use “2MASS Ks” instead of just “K”.
 d) Magnitude on the AB, Vega, ST, or some other magnitude system.
-e) Carbon monoxide (CO) has several detectable transitions as do ^13^CO 
-and C^17^O. The most commonly observed transition is (J=1-0) and each is 
-between 110 and 115 GHz. To clearly define a spectral transition, 
+e) Carbon monoxide (CO) has several detectable transitions as do ^13^CO
+and C^17^O. The most commonly observed transition is (J=1-0) and each is
+between 110 and 115 GHz. To clearly define a spectral transition,
 one should use, e.g., “CO (J=1-0) ν=115 GHz”.
-

+

+

@@ -1124,20 +1138,21 @@

Time (§2.4)

Examples 

a) Explicitly described in terms of both the frame of reference
-(e.g., JD, BJD, HJD), and the time system used (e.g., UTC, TDB, TAI). 
-For example, use “BJD-TDB” to indicate Barycentric Julian Date 
+(e.g., JD, BJD, HJD), and the time system used (e.g., UTC, TDB, TAI).
+For example, use “BJD-TDB” to indicate Barycentric Julian Date
 in the Barycentric Dynamical Time standard (preferred).
-b) When reporting Julian Dates, the full unmodified date (e.g., 2456789.123) 
+b) When reporting Julian Dates, the full unmodified date (e.g., 2456789.123)
 is preferred over any offset variation (e.g., 6789.123), to avoid confusion.
 Note that MJD (Modified Julian Date) is = Julian Date - 2400000.5, by IAU definition.
-c) For a transiting exoplanet orbit where the period is known, 
+c) For a transiting exoplanet orbit where the period is known,
 include a time of transit.
-d) If possible, include a graphical representation of the times that 
+d) If possible, include a graphical representation of the times that
 the missions obtained the data to help visualize where the simultaneity occurs.
-

+

+

@@ -1164,17 +1179,18 @@

Examples

+

+

@@ -1190,18 +1206,19 @@

ExamplesSandage 2005). +a) For basic morphological types, use well-established schemes +(e.g., Sandage 2005). Authors are encouraged to refer to SIMBAD’s Object Classification -or NED’s galaxy classifications and attributes, which have been standardized +or NED’s galaxy classifications and attributes, which have been standardized to enable unified queries across journal articles and catalogues. b) Explain any abbreviations and/or give a definition of the classification.

-

+

+

@@ -1218,17 +1235,18 @@

Orbital parameters (§2.7)

Examples

-
a) Only use “longitude of periapsis” when referring to the sum of 
+
a) Only use “longitude of periapsis” when referring to the sum of
 the argument of periapsis and the longitude of the ascending node.
-b) The argument of periapsis for a planet or a secondary star’s orbit 
+b) The argument of periapsis for a planet or a secondary star’s orbit
 differs from that of the host or primary star’s reflex motion by 180 degrees.
-c) When reporting timing for a non-transiting eccentric orbit for 
-which argument of periapsis is measured, report time of periapsis in preference to 
+c) When reporting timing for a non-transiting eccentric orbit for
+which argument of periapsis is measured, report time of periapsis in preference to
 (or in addition to) time of inferior conjunction. Both are preferred if possible.

-

+

+

@@ -1255,21 +1273,21 @@

ExamplesChapter "Submitting astronomical data".

@@ -1330,7 +1348,7 @@

Quiz: How to make this table FAIR?