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Details - VISTA Magellanic Survey: ML Classification

Title VISTA Magellanic Survey: ML Classification
Version 1
Data Provider/P.I. Maria-Rosa L. Cioni
Data Collection VMC
Data Release DR7
Submission Date 2025-12-09
Publication Date 2025-12-19
Description Catalogue of source classification based on Machine Learning
Please refer to the full data release description for further information.
Telescope ESO-VISTA
Instrument VIRCAM
Technique of Observation IMAGE,JITTER
Start of Observations 55,139.293 (2009-11-04T19:02:01)
End of Observations 59,965.193 (2023-01-21T16:38:01)
Filter Set/bands Y J Ks
Sky Solid Angle 145.578
Number of Records 56061596
Number of Columns 41
Reference 2025MNRAS.537.1028P
Acknowledgment Policy Please include the following acknowledgment in any published material that makes use of this data product: Based on data obtained from the ESO Science Archive Facility with DOI: https://doi.org/10.18727/archive/64
Position Name Description Data Type Data Size UCD Physical Unit
1 IAUNAME IAU Name (not unique) STRING 29 meta.id
2 SOURCEID UID of this merged detection as assigned by merge algorithm INT64 1 meta.id
3 DISTANCEMINS Angular separation between neighbours FLOAT 1 pos.angDistance arcminutes
4 UNIQUEID UID of star in the ML classification catalogue INT64 1 meta.id;meta.main
5 RA2000 RA in degrees (J2000) from the VMC catalogue DOUBLE 1 pos.eq.ra;meta.main deg
6 DEC2000 DEC in degrees (J2000) from the VMC catalogue DOUBLE 1 pos.eq.dec;meta.main deg
7 CX unit vector of spherical co-ordinates DOUBLE 1 pos.cartesian.x;pos.eq
8 CY unit vector of spherical co-ordinates DOUBLE 1 pos.cartesian.y;pos.eq
9 CZ unit vector of spherical co-ordinates DOUBLE 1 pos.cartesian.z;pos.eq
10 HTMID Hierarchical Triangular Mesh (HTM) index, 20 deep INT64 1 pos.HTM
11 L Galactic longitude DOUBLE 1 pos.galactic.lon deg
12 B Galactic latitude DOUBLE 1 pos.galactic.lat deg
13 PAGN Probability of the source being an AGN. DOUBLE 1 stat.probability
14 PAGNERR Error on probability of the source being an AGN. DOUBLE 1 stat.probability;stat.error
15 PGALAXY Probability of the source being an Galaxy. DOUBLE 1 stat.probability
16 PGALAXYERR Error on probability of the source being an Galaxy. DOUBLE 1 stat.probability;stat.error
17 POB Probability of the source being a star of type O or B. DOUBLE 1 stat.probability
18 POBERR Error on probability of the source being a star of type O or B. DOUBLE 1 stat.probability;stat.error
19 PRGB Probability of the source being an RGB star. DOUBLE 1 stat.probability
20 PRGBERR Error on probability of the source being an RGB star. DOUBLE 1 stat.probability;stat.error
21 PAGB Probability of the source being an AGB star. DOUBLE 1 stat.probability
22 PAGBERR Error on probability of the source being an AGB star. DOUBLE 1 stat.probability;stat.error
23 PHIIORYSO Probability of the source being a compact HII region or a YSO. DOUBLE 1 stat.probability
24 PHIIORYSOERR Error on probability of the source being a compact HII region or a DOUBLE 1 stat.probability;stat.error
25 PPNE Probability of the source being an PNe. DOUBLE 1 stat.probability
26 PPNEERR Error on probability of the source being an PNe. DOUBLE 1 stat.probability;stat.error
27 PAGBORRGB Probability of the source being a post-AGB or post-RGB star. DOUBLE 1 stat.probability
28 PAGBORRGBERR Error on probability of the source being a post-AGB or post-RGB DOUBLE 1 stat.probability;stat.error
29 PRSG Probability of the source being an RSG star. DOUBLE 1 stat.probability
30 PRSGERR Error on probability of the source being an RSG star. DOUBLE 1 stat.probability;stat.error
31 PHIGHPM Probability of the source being a foreground (high proper-motion) DOUBLE 1 stat.probability
32 PHIGHPMERR Error on probability of the source being a foreground star. DOUBLE 1 stat.probability;stat.error
33 PUNK Probability of the source being classed as Unknown. DOUBLE 1 stat.probability
34 PUNKERR Error on probability of the source being classed as Unknown. DOUBLE 1 stat.probability;stat.error
35 PRFCLASS Class predicted by the PRF. The class with the highest probability. STRING 16 meta.code.class
36 PPRFCLASS Probability of the source being the predicted class. DOUBLE 1 stat.probability
37 PPRFEXGAL Probability of the source being extragalactic. DOUBLE 1 stat.probability
38 CATFLAG Flag indicating which catalogue the source belongs to. 'H' = High- STRING 1 meta.code.qual
39 ISXRAYRADIO States whether there is an X-ray or Radio detected source within the STRING 1 meta.code.class
40 CUEVENTID UID of curation event giving rise to this record INT32 1 meta.id
41 FIELDNAME ID of field STRING 8 meta.id