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J/ApJS/233/22
  xCOLD GASS catalog (Saintonge+, 2017)
ReadMe+ftp
2017ApJS..233...22S
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Post annotation 		img(gal)
1.J/ApJS/233/22/catalogIdentifiers and basic properties, star formation rates and IR luminosity, spectral information, IRAM CO (1-0) and CO (2.1) measurements, and APEX CO(2-1) observations (tables 1, 3, 6) (532 rows)

Simple ConstraintList Of Constraints
 
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)
  GASS   [522/124028] GASS catalog ID (meta.id;meta.main)
  SDSS (char) SDSS name (JHHMMSS.ss+DDMMSS.s) (meta.id)
  ObjID  (n) SDSS ObjID (meta.id)
  SpecObjID  (n) SDSS SpecObjID (meta.id)
  Plate  SDSS spectroscopic Plate ID (meta.id)
  MJD  SDSS spectroscopic MJD ID (meta.id)
  Fiber  SDSS spectroscopic Fiber ID (meta.id)
  RAJ2000 deg (i) SDSS right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) SDSS declination (J2000) (pos.eq.dec;meta.main)
  zSDSS  SDSS spectroscopic redshift (src.redshift;pos.heliocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  LumDist Mpc Luminosity distance (Omegam=0.3, OmegaL=0.7, H0=70km/s/Mpc) (pos.distance)
  Incl deg (n) Disc inclination (src.orbital.inclination)
  NUV-r mag (n) NUV-r colour index, corrected for Galactic extinction (phot.color;em.UV;em.opt)
  R50kpc kpc (n) SDSS r-band Petrosian radius R50 (phys.size.radius)
  logMstar [Msun] Stellar mass (phys.mass)
  logMust [Msun/kpc2](n) Stellar mass surface density (calculated as log(mu*)=log(M*/(2*pi*r50_z^2)) ) (phys.density;meta.modelled)
  Cindx  (n) Concentration index (ratio of r-band Petrosian R90 and R50) (meta.code;spect.index)
  Weight   [0/4] Statistical weight (stat.weight)
  logSFR-MPAJHU [Msun/yr]SFR from SDSS MPA/JHU catalog (phys.SFR)
  logSFR-SED [Msun/yr](n) SFR from UV+optical SED fitting (phys.SFR)
  logSFR-BEST [Msun/yr](n) SFR from WISE + GALEX when detected in both data sets else from SED fitting (see Janowiecki et al. 2017MNRAS.466.4795J) (phys.SFR)
  e_logSFR-BEST [Msun/yr](n) Error on logSFR-BEST (stat.error)
  Flag-IRAS   [0/2] Detection flag in the IRAS PSC, 1:yes, 2:no (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  logLIR-IRAS [Lsun] (n) Total IR luminosity (phys.luminosity;em.IR)
  IRcol-IRAS  (n) IRAS colour (F60/F100) (phot.color;em.IR;em.IR)
  N2HA [-] (n) log(FLUXNII6583/FLUXHalpha6562) (using fluxes from SDSS DR7) (phot.flux;arith.ratio)
  O3HB [-] (n) log(FLUXOIII5006/FLUXHBeta4861) (using fluxes from SDSS DR7) (phot.flux;arith.ratio)
  AGNClass  BPT-based AGN classification (Note 1)   (meta.code.class)
  ZPP04-N2  (n) 12+logO/H from N2Ha using Pettini & Pagel (2004MNRAS.348L..59P) (phys.abund)
  ZPP04-O3N2  (n) 12+logO/H from N2Ha and O3Hb using Pettini & Pagel (2004MNRAS.348L..59P) (phys.abund)
  ZMZR  12+logO/H from MZR, Kewley & Ellison (2008ApJ...681.1183Kr), PP04 calibration (phys.abund)
  Flag-CO   [1/2] CO(1-0) detection flag, 1:yes, 2:no (meta.code.error)
  XCO  Constant Galactic CO-to-H2 conversion factor except for galaxies suspected of requiring the lower "merger" value (arith.factor)
  XCO-A17  CO-to-H2 conversion function from Accurso et al. (2017, arXiv:1702.03888) (arith.factor)
  e_XCO-A17  Error on XCO-A17 (stat.error)
  ICO K.km/s (n) CO(1-0) line flux (phot.flux)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_ICO K.km/s (n) Error on ICO (stat.error)
  ICO-COR K.km/s (n) CO(1-0) line flux, aperture corrected (phys.angSize;instr.fov)
  e_ICO-COR K.km/s (n) Error on ICO_COR (stat.error)
  l_LCO (char) Limit flag on LCO-COR (meta.code.error)
  LCO K.km/s.pc-2CO(1-0) line luminosity (if Flag-CO=2, then this is a 3sigma upper limit) (phys.luminosity)
  e_LCO K.km/s.pc-2(n) Error on LCO (stat.error)
  l_LCO-COR (char) Limit flag on LCO-COR (meta.code.error)
  LCO-COR K.km/s.pc-2CO(1-0) line luminosity, aperture corrected (if Flag-CO=2, then this is a 3sigma upper limit) (phys.luminosity)
  e_LCO-COR K.km/s.pc-2(n) Error on LCO-COR (stat.error)
  rms-CO K rms noise around the CO(1-0) line in 20km/s-wide channels (stat.stdev;instr.det.noise)
  SN-CO  (n) Integrated S/N of the CO(1-0) line (stat.snr)
  WCO km/s (n) FWHM of the CO(1-0) line (spect.line.width)
  WCO-Flag   [0/3] Quality flag for WCO, 1:high quality, 2: acceptable, 3: poor (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  zCO  (n) Redshift based on the velocity of the CO(1-0) line (src.redshift;pos.heliocentric)
  WCO-TFR km/s (n) FWHM of the CO(1-0) for TFR work from Tiley et al. (2016MNRAS.461.3494T) (spect.line.width)
  e_WCO-TFR km/s (n) Error on WCO_TFR (stat.error)
  logMH2 [Msun] (n) Total molecular gas mass (phys.mass)
  e_logMH2 [Msun] (n) Error on LOGMH2 (stat.error)
  limlogMH2 [Msun] (n) 3sigma upper limit for logMH2 (when Flag-CO=2) (phys.mass)
  LogMH2/M* [-] Molecular gas mass fraction (phys.mass)
  Flag-CO21   [0/2] CO(2-1) detection flag, 1:yes, 2:no, 0:not observed (meta.code.error)
  ICO21 K.km/s (n) CO(2-1) line flux (phot.flux)
  e_ICO21 K.km/s (n) Error on ICO21 (stat.error)
  l_LCO21 (char) Limit flag on LCO21 (meta.code.error)
  LCO21 K.km/s.pc-2(n) CO(2-1) line luminosity (if Flag-CO21=2, then this is a 3sigma upper limit) (phys.luminosity)
  e_LCO21 K.km/s.pc-2(n) Error on LCO21 (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  rms-CO21 K (n) rms noise around the CO(2-1) line in 20km/s-wide channels (stat.stdev;instr.det.noise)
  SN-CO21  (n) Integrated S/N of the CO(2-1) line (stat.snr)
  WCO21 km/s (n) FWHM of the CO(2-1) line (spect.line.width)
  WCO21-Flag   [0/3] Quality flag for WCO21, 1:high quality, 2:acceptable, 3:poor (meta.code.error)
  zCO21  (n) Redshift based on the velocity of the CO(2-1) line (src.redshift;pos.heliocentric)
  Flag-APEX   [0/2] CO(2-1) detection flag, 1:yes, 2:no, 0:not observed (meta.code.error)
  ICO-APEX K.km/s (n) CO(2-1) line flux (phot.flux)
  LCO-APEX K.km/s.pc-2(n) CO(2-1) line luminosity (phys.luminosity)
  rms-APEX K (n) rms noise around the CO(2-1) line in 20km/s-wide channels (stat.stdev;instr.det.noise)
  SN-APEX  (n) Integrated S/N of the CO(2-1) line (stat.snr)
  WCO-APEX km/s (n) FWHM of the CO(2-1) line (spect.line.width)
  zCO-APEX  (n) Redshift based on the velocity of the CO(2-1) line (src.redshift;pos.heliocentric)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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