VizieR

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

VizieR


Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/A+A/690/A163
  MeerKAT Absorption Line Survey Data Release 2 (Wagenveld+ 2024)
ReadMe+ftp
2024A&A...690A.163W
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/690/A163/all(c)Source catalogue (971980 rows)
2.J/A+A/690/A163/gauss(c)Gaussian component catalogue (1142084 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Pointing (char) Pointing where the source is found (Pointing_id) (meta.id)
  (1)DateL (char) Observation date(s) and time(s) of pointing at L band (ObsdateL) (time.epoch)
  (1)Obsband (char) [L] Observing band: L = L band (Obs_band) (meta.code)
  (1)PBeamV (char) Software and version of primary beam model used for primary beam correction (PBeamVersion) (meta.version;instr.setup;meta.software)
  (1)Fluxcal (char) Calibrators used for flux and bandpass calibration (Fluxcal) (meta.id)
  (1)Fluxscale (char) Reference flux scale used for flux calibration (Fluxscale) (instr.scale)
  (1)SPW (char) Portion of the band used for creating the image (SPW_id) (obs.image)
  (1)RefFreq MHz Reference frequency of the image (Ref_freq) (em.freq)
  (1)Majaxis arcsec Major axis of restoring beam (Majrestoringbeam) (phys.angSize;instr.beam)
  (1)Minaxis arcsec Minor axis of restoring beam (Minrestoringbeam) (phys.angSize;instr.beam)

ALL cols		    
 (i)indexed column
   (ALL)PA deg [] Position angle of restoring beam (PArestoringbeam) (pos.posAng;instr.beam)
  (1)sigma1   [0] RMS noise measured in an annular ring at FWHM of the primary beam (DR1 only) (sigma_1) (instr.det.noise)
  (1)sigma2   [0] RMS noise measured in an annular ring at twice the FWHM of the primary beam (DR1 only) (sigma_2) (instr.det.noise)
  (1)sigma20  RMS noise value at a cumulative fraction of 0.2 of the rms noise distribution of the image (sigma_20) (instr.det.noise)
  (1)Name (char) Source name following IAU convention JHHMMSS.ss+DDMMSS.s (Source_name) (meta.id;meta.main)
  (1)DistPtg arcmin Distance of source from pointing centre (Distance_pointing) (pos.angDistance)
  (1)SepNN arcmin Distance of source to nearest neighbour (Distance_NN) (pos.angDistance)
  (1)SCode (char) [SMC] PyBDSF source flag (S_Code) (Note 1)   (meta.code)
  (1)NGaus   [1/94] Number of Gaussian components fit to source (N_Gaus) (meta.number)
  (1)MGaussMax  (n) Maximum separation between Gaussian components in source (Maxsep_Gauss) (pos.angDistance;stat.max)
  (1)MajFWHM arcsec FWHM of major axis (Maj) (phys.angSize)
  (1)e_MajFWHM arcsec Error on major axis (Maj_E) (stat.error)
  (1)MinFWHM arcsec FWHM of minor axis (Min) (phys.angSize)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_MinFWHM arcsec Error on minor axis (Min_E) (stat.error)
  (1)PAMaj deg [0/180] Position angle of major axis (PA) (pos.posAng)
  (1)e_PAMaj deg Error on position angle (PA_E) (stat.error)
   (ALL)DCMaj arcsec FWHM of deconvolved major axis (DC_Maj) (phys.angSize)
   (ALL)e_DCMaj arcsec Error on deconvolved major axis (DCMajE) (stat.error)
   (ALL)DCMin arcsec FWHM of deconvolved minor axis (DC_Min) (phys.angSize)
   (ALL)e_DCMin arcsec Error on deconvolved minor axis (DCMinE) (stat.error)
   (ALL)DCPA deg [0/180] Position angle of deconvolved major axis (DC_PA) (pos.posAng)
   (ALL)e_DCPA deg Error on deconvolved position angle (DCPAE) (stat.error)
   (ALL)RAJ2000 deg (i) Right Ascension (J2000) (RA_mean) (pos.eq.ra;meta.main)
   (ALL)e_RAJ2000 deg Error in Right Ascension (RAmeanE) (stat.error;pos.eq.ra)
   (ALL)DEJ2000 deg (i) Declination (J2000) (DEC_mean) (pos.eq.dec;meta.main)
   (ALL)e_DEJ2000 deg Error in Declination (DECmeanE) (stat.error;pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)RAMdeg deg Right Ascension of maximum (J2000) (RA_max) (pos.eq.ra)
  (1)e_RAMdeg deg Error on right ascension of maximum (RAmaxE) (stat.error)
  (1)DEMdeg deg Declination of maximum (J2000) (DEC_max) (pos.eq.dec)
  (1)e_DEMdeg deg Error on declination of maximum (DECmaxE) (stat.error)
  (1)FluxTot mJy Total flux density of Gaussian components (Total_flux) (phot.flux.density;em.radio.750-1500MHz)
  (1)e_FluxTot mJy Error on total flux density (TotalfluxE) (stat.error)
  (1)eFluxFit mJy Fitting error on total flux density (TotalfluxE_fit) (stat.error)
  (1)eFluxSys mJy Systematic error on total flux density (TotalfluxE_sys) (stat.error)
  (1)FluxTotmeas mJy Measured total flux density (differs from Total_flux in DR1) (Totalfluxmeasured) (phot.flux.density;em.radio.750-1500MHz)
  (1)e_FluxTotmeas mJy Error on measured total flux density (Totalfluxmeasured_E) (stat.error)
  (1)FluxP mJy/beam Peak flux density (Peak_flux) (phot.flux.density;em.radio.750-1500MHz)
  (1)e_FluxP mJy/beam Error on peak flux density (PeakfluxE) (stat.error)
  (1)FluxIsl mJy Total flux of associated island of emission (IslTotalflux) (phot.flux.density;em.radio.750-1500MHz)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_FluxIsl mJy Error on total flux of island (IslTotalflux_E) (stat.error)
  (1)Islrms mJy/beam Average background RMS noise of island (Isl_rms) (instr.background;stat.mean)
  (1)Islmean mJy/beam Average background mean of island (Isl_mean) (phot.flux.density;em.radio.750-1500MHz)
  (1)ResidIslrms mJy/beam Average residual background RMS noise of island (ResidIslrms) (stat.fit.residual;instr.background;stat.mean)
  (1)ResidIslmean mJy/beam Average residual background mean of island (ResidIslmean) (instr.det.noise)
  (1)FluxCorr mJy/beam [1/1] Correction factor applied to flux density (Flux_correction) (instr.param)
  (1)Real (char) [false true] False detection flag (False: artifact, True: ok) (Real_source) (meta.code)
  (1)Res (char) [false true] Resolved flag (False: unresolved, True: resolved) (Resolved) (meta.code.error)
  (1)SpIndex  (n) Spectral index determined from MFS image (Spectral_index) (spect.index)
  (1)e_SpIndex  (n) Error on spectral index from MFS image (SpectralindexE) (stat.error)
  (1)SpIndexspw (char) Spectral windows used for spectral index measurement (Spectralindexspwused) (spect.index)
  (1)SpIndexfit  (n) Spectral index from spectral window fit (Spectralindexspwfit) (spect.index)
  (1)e_SpIndexfit  (n) [-999/999] Error on spectral index from spectral window fit (Spectralindexspwfit_E) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Source (char) Source name following IAU convention, MALS JHHMMSS.ss+DDMMSS.s (Source_name) (meta.id.parent)
  (2)GID  ID of Gaussian component (G_id) (meta.id;meta.main)
  (2)Fpeak mJy/beam Peak flux density (GPeakflux) (phot.flux.density;em.radio.750-1500MHz)
  (2)e_Fpeak mJy/beam Error on peak flux density (GPeakflux_E) (stat.error)
  (2)Maj arcsec Major axis (G_Maj) (phys.angSize)
  (2)e_Maj arcsec Error on major axis (GMajE) (stat.error)
  (2)Min arcsec Minor axis (G_Min) (phys.angSize;src)
  (2)e_Min arcsec Error on minor axis (GMinE) (stat.error;stat.min)
  (2)e_PA deg Error on position angle (GPAE) (stat.error)

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