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=29889
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200016 12 02.1792463 "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+82 35 17.535048 "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)
_RAB195016 17 16.8430883 "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+82 42 45.616567 "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)
_Glon116.2461334652 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+31.7181615012 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)
29889recno 29889  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SubtileJ202038+813000  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)
TileT31t04  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 0.0011 deg Major axis of the VLASS beam in this subtile (BMAJ) (phys.angSize;instr.beam)
Bmin 0.0005 deg Minor axis of the VLASS beam in this subtile (BMIN) (phys.angSize;instr.beam)
BPA 45.0000 deg [-90/90] Position angle of the VLASS beam in this subtile (BPA) (pos.posAng;instr.beam)
LatPole 81.5  Latitude of pole in coordinate system (LATPOLE) (pos.ecliptic.lat)
LonPole180.0  Longitude of pole in coordinate system (LONPOLE) (pos.ecliptic.lon)
Crval1305.158 deg Reference pixel Right Ascension (CRVAL1) (instr.fov;instr.pixel)
Crval2 81.500 deg Reference pixel Declination (CRVAL2) (instr.fov;instr.pixel)
Obs2017-09-29T23:42:12 s (i) Date and time of observation (DATE-OBS) (time.epoch;obs)
RAObs305.15849167 deg (i) Observation Right Ascension, at epoch Obs.date (OBSRA) (pos.eq.ra;meta.main)
DEObs+81.50000000 deg (i) Observation Declination, at epoch Obs.date (OBSDEC) (pos.eq.dec;meta.main)
Field 7767  NRAO name of VLASS field (FIELD) (meta.id;obs.field)
DateImg2017-11-05T14:03:18.948000  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 0.1527 mJy/beam Mean Isl_rms of components in this subtile (Meanislrms) (stat.error)
SDIslrms 0.0108 mJy/beam Standard deviation of the Isl_rms of components in this subtile (SDislrms) (stat.error)
Fp25 0.9090 mJy/beam 25th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp25) (phot.flux.density;em.radio.1500-3000MHz)
Fp50 1.0476 mJy/beam 50th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp50) (phot.flux.density;em.radio.1500-3000MHz)
Fp75 1.7061 mJy/beam 75th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp75) (phot.flux.density;em.radio.1500-3000MHz)
Fpmax 7.7470 mJy/beam Peak flux of the brightest component in this subtile (Peakfluxmax) (phot.flux.density;em.radio.1500-3000MHz)
Ncomp 29   [11/219] Number of fitted components in this subtile (N_components) (meta.number)
NemptyIsl 28   [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/T31t04/VLASS1.1.ql.T31t04.J202038+813000.10.2048.v1/VLASS1.1.ql.T31t04.J202038+813000.10.2048.v1.I.iter1.image.pbcor.tt0.subim.fits  Link to the Subtile image file (Subtile_url) (meta.ref.url)

_RA.icrs243.00908019 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+82.58820418 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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