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Details - VISTA Magellanic Survey: RR Lyrae stars

Title VISTA Magellanic Survey: RR Lyrae stars
Version 2
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
Please refer to the full data release description for further information.
Telescope ESO-VISTA
Instrument VIRCAM
Technique of Observation IMAGE,JITTER
Start of Observations 55,140.241 (2009-11-05T17:47:44)
End of Observations 59,972.087 (2023-01-28T14:05:51)
Filter Set/bands Ks
Sky Solid Angle 148.579
Number of Records 24864
Number of Columns 17
Reference 2021MNRAS.504....1C
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 VMC Variables INT64 1 meta.id;meta.main
4 GALAXY Galaxy that the variable is in LMC/SMC STRING 8 meta.code
5 ORIGVMCID UID: VMC source ID from release VMCv20181120 INT64 1 meta.id
6 RA2000 Celestial Right Ascension from VMC DOUBLE 1 pos.eq.ra;meta.main deg
7 DEC2000 Celestial Declination from VMC DOUBLE 1 pos.eq.dec;meta.main deg
8 RRLYRTYPE RR Lyrae type (ab,c,etc) STRING 16 meta.code.class
9 PERIOD Period from the external catalogue. FLOAT 1 time.period day
10 VMEANMAG Mean V band magnitude FLOAT 1 phot.mag;stat.mean;em.IR.K mag
11 KSMEANMAG Mean K_s band magnitude FLOAT 1 phot.mag;stat.mean;em.IR.K mag
12 KSMEANMAGERR Error on mean K_s band magnitude FLOAT 1 phot.mag;stat.error;em.IR.K mag
13 KSAMPL Peak-to-Peak amplitude in Ks band FLOAT 1 src.var.amplitude;em.IR.K mag
14 METALLICITY Metallicity [Fe/H] FLOAT 1 phys.abund.Fe dex
15 METALERR Error on metallicity [Fe/H] FLOAT 1 stat.error;phys.abund.Fe dex
16 EVI The dust extinction value E(V-I) FLOAT 1 phys.absorption.gal mag
17 CUEVENTID UID of curation event giving rise to this record INT32 1 meta.id