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Details - VISTA Magellanic Survey: Quasars

Title VISTA Magellanic Survey: Quasars
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 Catalogues for quasars in the VMC survey area
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 59,964.184 (2023-01-20T16:25:04)
Filter Set/bands Y J Ks
Sky Solid Angle 111.059
Number of Records 1161
Number of Columns 15
Reference 2024A&A...687A..16I
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 UNIQUEID UID of QSO INT64 1 meta.id;meta.main
4 EXTERNIAUNAME IAU format name from VMC or otherwise STRING 32 meta.id
5 CUEVENTID UID of curation event giving rise to this record INT32 1 meta.id
6 RA2000 RA in degrees (J2000) from the VMC catalogue DOUBLE 1 pos.eq.ra;meta.main deg
7 DEC2000 DEC in degrees (J2000) from the VMC catalogue DOUBLE 1 pos.eq.dec;meta.main deg
8 YMAG Y band magnitude from VMC FLOAT 1 phot.mag;em.IR.NIR;meta.main mag
9 YMAGERR Error on Y band magnitude FLOAT 1 stat.error;phot.mag;em.IR.NIR mag
10 JMAG J band magnitude from VMC FLOAT 1 phot.mag;em.IR.J;meta.main mag
11 JMAGERR Error on J band magnitude FLOAT 1 stat.error;phot.mag;em.IR.J mag
12 KSMAG Ks band magnitude from VMC FLOAT 1 phot.mag;em.IR.K;meta.main mag
13 KSMAGERR Error on Ks band magnitude FLOAT 1 stat.error;phot.mag;em.IR.K mag
14 CLASS VMC source object class -1 (point), 1 (extended) INT8 1 meta.code
15 ZSPEC Spectroscopic redshift from VLT/SAAO observations FLOAT 1 src.redshift