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@@ -331,9 +331,9 @@
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If you came here from a link in this lesson, please contact the lesson maintainers using the links at the foot of this page.
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Content from FAIR principles for astronomical data
Last updated on 2023-11-06 | - + Edit this page
Objectives
Overview
+Overview
+
The CDS and other astronomical data centers are storing and
@@ -667,7 +674,8 @@
Objectives
publication in the astronomical field.
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
To be Findable
-
+
The first step before reusing the data is to be able to find them.
The metadata and data should be easy to find for both humans and
@@ -720,7 +728,7 @@ To be Findable
-
+
Once the data can be found, the user needs to know how to access
them. That could include authentification and authorisation. The
@@ -746,7 +754,7 @@
To be Accessible
-
+
Those data can then be combined with different datasets, and
interoperate with other applications or workflows for analysis, storage,
@@ -764,7 +772,7 @@
To be Interoperable
-
+
The ultimate goal of FAIR is to optimise the reuse of data. To
achieve this, metadata and data should be well-described, including a
@@ -785,8 +793,9 @@
To be Reusable
-Best Practices for Data Publication in the Astronomical
+
Best Practices for Data Publication in the Astronomical
Literature
+
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
-
+
+
@@ -923,29 +934,29 @@ 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
@@ -1042,8 +1053,9 @@ Recommended usage
-
+
+
@@ -1063,17 +1075,18 @@ Examples
+
+
@@ -1092,18 +1105,19 @@ 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?
Why is it improper?
-
+
The quality of the measurement is indicated using a superscript.
Providing this information using an extra column will make the table
@@ -1344,7 +1362,7 @@
Why is it improper?
-
+
Overview +
The CDS and other astronomical data centers are storing and @@ -667,7 +674,8 @@
Objectives
publication in the astronomical field.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
To be Findable
-
+
The first step before reusing the data is to be able to find them.
The metadata and data should be easy to find for both humans and
@@ -720,7 +728,7 @@ To be Findable
-
+
Once the data can be found, the user needs to know how to access
them. That could include authentification and authorisation. The
@@ -746,7 +754,7 @@
To be Accessible
-
+
Those data can then be combined with different datasets, and
interoperate with other applications or workflows for analysis, storage,
@@ -764,7 +772,7 @@
To be Interoperable
-
+
The ultimate goal of FAIR is to optimise the reuse of data. To
achieve this, metadata and data should be well-described, including a
@@ -785,8 +793,9 @@
To be Reusable
-Best Practices for Data Publication in the Astronomical
+
Best Practices for Data Publication in the Astronomical
Literature
+
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
-
+
+
@@ -923,29 +934,29 @@ 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
@@ -1042,8 +1053,9 @@ Recommended usage
-
+
+
@@ -1063,17 +1075,18 @@ Examples
+
+
@@ -1092,18 +1105,19 @@ 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?
Why is it improper?
-
+
The quality of the measurement is indicated using a superscript.
Providing this information using an extra column will make the table
@@ -1344,7 +1362,7 @@
Why is it improper?
-
+
The first step before reusing the data is to be able to find them.
The metadata and data should be easy to find for both humans and
@@ -720,7 +728,7 @@ Once the data can be found, the user needs to know how to access
them. That could include authentification and authorisation. The
@@ -746,7 +754,7 @@ Those data can then be combined with different datasets, and
interoperate with other applications or workflows for analysis, storage,
@@ -764,7 +772,7 @@ The ultimate goal of FAIR is to optimise the reuse of data. To
achieve this, metadata and data should be well-described, including a
@@ -785,8 +793,9 @@ In 2022, Chen et al. (DOI: 10.3847/1538-4365/ac6268)
@@ -840,8 +849,9 @@ Look for these objects in Simbad. Can you find them? I1) Insufficient precision in RA and DEC causes confusion. In this
case, it could correspond to many objects and different surveys. R1) LAMOST J221750.59+210437.1 and SDSS J221746.82+210424.1 are
potential matches for this incomplete name The quality of the measurement is indicated using a superscript.
Providing this information using an extra column will make the table
@@ -1344,7 +1362,7 @@ To be Findable
- To be Accessible
- To be Interoperable
- To be Reusable
-Best Practices for Data Publication in the Astronomical
+
Best Practices for Data Publication in the Astronomical
Literature
+
Keep calm and carry on
+
+
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
+
+
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
-
Give me a hint
- Why is it improper?
- Recommended usage
+
+
Examples
+
+
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”.
+
+
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.
+
+
Examples
+
+
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.
+
+
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.
+
+
ExamplesChapter "Submitting astronomical data".
@@ -1330,7 +1348,7 @@ Quiz: How to make this table FAIR?
Why is it improper?
- Why is it improper?
-