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=29517
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ColumnValue  Explain   (UCD)
_RAJ200021 34 02.0902198 "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+27 00 04.275669 "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)
_RAB195021 31 49.0700982 "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+26 46 34.585895 "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)
_Glon077.6214881344 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-18.0318270460 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)
29517recno 29517  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SubtileJ200557+193000  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)
TileT15t27  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 -59.1000 deg [-90/90] Position angle of the VLASS beam in this subtile (BPA) (pos.posAng;instr.beam)
LatPole 19.5  Latitude of pole in coordinate system (LATPOLE) (pos.ecliptic.lat)
LonPole180.0  Longitude of pole in coordinate system (LONPOLE) (pos.ecliptic.lon)
Crval1301.490 deg Reference pixel Right Ascension (CRVAL1) (instr.fov;instr.pixel)
Crval2 19.500 deg Reference pixel Declination (CRVAL2) (instr.fov;instr.pixel)
Obs2019-04-20T10:50:44 s (i) Date and time of observation (DATE-OBS) (time.epoch;obs)
RAObs301.48977500 deg (i) Observation Right Ascension, at epoch Obs.date (OBSRA) (pos.eq.ra;meta.main)
DEObs+19.50000000 deg (i) Observation Declination, at epoch Obs.date (OBSDEC) (pos.eq.dec;meta.main)
Field 6603  NRAO name of VLASS field (FIELD) (meta.id;obs.field)
DateImg2019-05-09T23:02:39.502000  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 0.1319 mJy/beam Mean Isl_rms of components in this subtile (Meanislrms) (stat.error)
SDIslrms 0.0060 mJy/beam Standard deviation of the Isl_rms of components in this subtile (SDislrms) (stat.error)
Fp25 0.8937 mJy/beam 25th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp25) (phot.flux.density;em.radio.1500-3000MHz)
Fp50 1.4029 mJy/beam 50th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp50) (phot.flux.density;em.radio.1500-3000MHz)
Fp75 2.8460 mJy/beam 75th percentile of the Peak_flux distribution for components in this subtile (Peakfluxp75) (phot.flux.density;em.radio.1500-3000MHz)
Fpmax 86.4490 mJy/beam Peak flux of the brightest component in this subtile (Peakfluxmax) (phot.flux.density;em.radio.1500-3000MHz)
Ncomp 91   [11/219] Number of fitted components in this subtile (N_components) (meta.number)
NemptyIsl 90   [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/T15t27/VLASS1.2.ql.T15t27.J200557+193000.10.2048.v1/VLASS1.2.ql.T15t27.J200557+193000.10.2048.v1.I.iter1.image.pbcor.tt0.subim.fits  Link to the Subtile image file (Subtile_url) (meta.ref.url)

_RA.icrs323.50870925 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+27.00118769 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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