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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/255/30
  VLASS QL Ep.1 Catalog, CIRADA version (Gordon+, 2021)
Post annotation
img(gal)
1.J/ApJS/255/30/subtileSubtile metadata (35285 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Subtile (char) Name of the Quick Look image, JHHMMSS+DDMMSS (Subtile) (obs.field)
  Imagever   [1/5] Version of the image produced by NRAO (Image_version) (meta.software)
  Tile (char) The VLASS tile that this subtile is taken from (Tile) (Note 1)   (obs.field)
  Epoch  The epoch and sub-epoch of VLASS this Subtile is taken from (Epoch) (time.epoch)
  Bmaj deg Major axis of the VLASS beam in this subtile (BMAJ) (phys.angSize;instr.beam)
  Bmin deg Minor axis of the VLASS beam in this subtile (BMIN) (phys.angSize;instr.beam)
  BPA deg [-90/90] Position angle of the VLASS beam in this subtile (BPA) (pos.posAng;instr.beam)
  LatPole  Latitude of pole in coordinate system (LATPOLE) (pos.ecliptic.lat)
  LonPole  Longitude of pole in coordinate system (LONPOLE) (pos.ecliptic.lon)
  Crval1 deg Reference pixel Right Ascension (CRVAL1) (instr.fov;instr.pixel)

ALL cols
    
 (i)indexed column
  Crval2 deg Reference pixel Declination (CRVAL2) (instr.fov;instr.pixel)
  Obs s (n)(i) Date and time of observation (DATE-OBS) (time.epoch;obs)
  RAObs deg (i) Observation Right Ascension, at epoch Obs.date (OBSRA) (pos.eq.ra;meta.main)
  DEObs deg (i) Observation Declination, at epoch Obs.date (OBSDEC) (pos.eq.dec;meta.main)
  Field  NRAO name of VLASS field (FIELD) (meta.id;obs.field)
  DateImg (char) Date that the image file was produced (DATE) (Note 2)   (time.epoch)
  Origin (char) Software (CASA) and version used to produce the image file (ORIGIN) (meta.software)
  MeanIslrms mJy/beam Mean Isl_rms of components in this subtile (Meanislrms) (stat.error)
  SDIslrms mJy/beam Standard deviation of the Isl_rms of components in this subtile (SDislrms) (stat.error)
  Fp25 mJy/beam 25th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp25) (phot.flux.density;em.radio.1500-3000MHz)
  Fp50 mJy/beam 50th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp50) (phot.flux.density;em.radio.1500-3000MHz)
  Fp75 mJy/beam 75th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp75) (phot.flux.density;em.radio.1500-3000MHz)
  Fpmax mJy/beam Peak flux of the brightest component in this subtile (Peakfluxmax) (phot.flux.density;em.radio.1500-3000MHz)
  Ncomp   [11/219] Number of fitted components in this subtile (N_components) (meta.number)
  NemptyIsl   [10/218] Number of empty flux islands detected in this subtile (Nemptyislands) (Note 3)   (meta.number)
  Subtileurl (char) Link to the Subtile image file (Subtile_url) (meta.ref.url)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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