VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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J/ApJS/255/30/subtile VLASS QL Ep.1 Catalog, CIRADA version (Gordon+, 2021)
Subtile metadata (35285 rows)
  recno=31
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200001 42 47.9604699 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-02 41 53.734209 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195001 40 15.9453679 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-02 57 06.852343 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon151.8283721441 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-62.6524263646 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
31recno 31  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SubtileJ000203-133000  Name of the Quick Look image, JHHMMSS+DDMMSS (Subtile) (obs.field)
Imagever1   [1/5] Version of the image produced by NRAO (Image_version) (meta.software)
TileT07t01  The VLASS tile that this subtile is taken from (Tile) (Note 1)   (obs.field)
Epoch 1.1  The epoch and sub-epoch of VLASS this Subtile is taken from (Epoch) (time.epoch)
Bmaj 0.0010 deg Major axis of the VLASS beam in this subtile (BMAJ) (phys.angSize;instr.beam)
Bmin 0.0006 deg Minor axis of the VLASS beam in this subtile (BMIN) (phys.angSize;instr.beam)
BPA -21.5000 deg [-90/90] Position angle of the VLASS beam in this subtile (BPA) (pos.posAng;instr.beam)
LatPole-13.5  Latitude of pole in coordinate system (LATPOLE) (pos.ecliptic.lat)
LonPole180.0  Longitude of pole in coordinate system (LONPOLE) (pos.ecliptic.lon)
Crval1 0.513 deg Reference pixel Right Ascension (CRVAL1) (instr.fov;instr.pixel)
Crval2-13.500 deg Reference pixel Declination (CRVAL2) (instr.fov;instr.pixel)
Obs2017-11-12T02:15:50 s (i) Date and time of observation (DATE-OBS) (time.epoch;obs)
RAObs000.51315000 deg (i) Observation Right Ascension, at epoch Obs.date (OBSRA) (pos.eq.ra;meta.main)
DEObs-13.50000000 deg (i) Observation Declination, at epoch Obs.date (OBSDEC) (pos.eq.dec;meta.main)
Field 7883  NRAO name of VLASS field (FIELD) (meta.id;obs.field)
DateImg2018-04-28T20:33:01.756000  Date that the image file was produced (DATE) (Note 2)   (time.epoch)
Origin"CASA 5.3.0-21"  Software (CASA) and version used to produce the image file (ORIGIN) (meta.software)
MeanIslrms 0.1568 mJy/beam Mean Isl_rms of components in this subtile (Meanislrms) (stat.error)
SDIslrms 0.0188 mJy/beam Standard deviation of the Isl_rms of components in this subtile (SDislrms) (stat.error)
Fp25 0.8496 mJy/beam 25th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp25) (phot.flux.density;em.radio.1500-3000MHz)
Fp50 0.9805 mJy/beam 50th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp50) (phot.flux.density;em.radio.1500-3000MHz)
Fp75 1.7450 mJy/beam 75th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp75) (phot.flux.density;em.radio.1500-3000MHz)
Fpmax 196.0101 mJy/beam Peak flux of the brightest component in this subtile (Peakfluxmax) (phot.flux.density;em.radio.1500-3000MHz)
Ncomp 86   [11/219] Number of fitted components in this subtile (N_components) (meta.number)
NemptyIsl 85   [10/218] Number of empty flux islands detected in this subtile (Nemptyislands) (Note 3)   (meta.number)
Subtileurlhttps://archive-new.nrao.edu/vlass/quicklook/VLASS1.1/T07t01/VLASS1.1.ql.T07t01.J000203-133000.10.2048.v1/VLASS1.1.ql.T07t01.J000203-133000.10.2048.v1.I.iter1.image.pbcor.tt0.subim.fits  Link to the Subtile image file (Subtile_url) (meta.ref.url)

_RA.icrs025.69983529 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-02.69825950 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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