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=13587
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200011 04 48.8945709 "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+14 39 34.459341 "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)
_RAB195011 02 11.1140525 "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+14 55 54.596053 "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)
_Glon234.2091794928 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+62.2396823957 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)
13587recno 13587  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SubtileJ091519+243000  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)
TileT17t13  The VLASS tile that this subtile is taken from (Tile) (Note 1)   (obs.field)
Epoch 1.2  The epoch and sub-epoch of VLASS this Subtile is taken from (Epoch) (time.epoch)
Bmaj 0.0007 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 -58.9700 deg [-90/90] Position angle of the VLASS beam in this subtile (BPA) (pos.posAng;instr.beam)
LatPole 24.5  Latitude of pole in coordinate system (LATPOLE) (pos.ecliptic.lat)
LonPole180.0  Longitude of pole in coordinate system (LONPOLE) (pos.ecliptic.lon)
Crval1138.831 deg Reference pixel Right Ascension (CRVAL1) (instr.fov;instr.pixel)
Crval2 24.500 deg Reference pixel Declination (CRVAL2) (instr.fov;instr.pixel)
Obs2019-04-16T23:59:11 s (i) Date and time of observation (DATE-OBS) (time.epoch;obs)
RAObs138.83122500 deg (i) Observation Right Ascension, at epoch Obs.date (OBSRA) (pos.eq.ra;meta.main)
DEObs+24.50000000 deg (i) Observation Declination, at epoch Obs.date (OBSDEC) (pos.eq.dec;meta.main)
Field11822  NRAO name of VLASS field (FIELD) (meta.id;obs.field)
DateImg2019-05-04T00:32:52.850000  Date that the image file was produced (DATE) (Note 2)   (time.epoch)
Origin"CASA 5.4.1-32"  Software (CASA) and version used to produce the image file (ORIGIN) (meta.software)
MeanIslrms 0.1332 mJy/beam Mean Isl_rms of components in this subtile (Meanislrms) (stat.error)
SDIslrms 0.0061 mJy/beam Standard deviation of the Isl_rms of components in this subtile (SDislrms) (stat.error)
Fp25 0.9266 mJy/beam 25th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp25) (phot.flux.density;em.radio.1500-3000MHz)
Fp50 1.6049 mJy/beam 50th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp50) (phot.flux.density;em.radio.1500-3000MHz)
Fp75 4.3423 mJy/beam 75th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp75) (phot.flux.density;em.radio.1500-3000MHz)
Fpmax 25.3786 mJy/beam Peak flux of the brightest component in this subtile (Peakfluxmax) (phot.flux.density;em.radio.1500-3000MHz)
Ncomp 58   [11/219] Number of fitted components in this subtile (N_components) (meta.number)
NemptyIsl 57   [10/218] Number of empty flux islands detected in this subtile (Nemptyislands) (Note 3)   (meta.number)
Subtileurlhttps://archive-new.nrao.edu/vlass/quicklook/VLASS1.2/T17t13/VLASS1.2.ql.T17t13.J091519+243000.10.2048.v1/VLASS1.2.ql.T17t13.J091519+243000.10.2048.v1.I.iter1.image.pbcor.tt0.subim.fits  Link to the Subtile image file (Subtile_url) (meta.ref.url)

_RA.icrs166.20372738 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+14.65957204 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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