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J/MNRAS/482/4570
  Gaia DR2 white dwarf candidates (Gentile Fusillo+, 2019)
ReadMe+ftp
2019MNRAS.482.4570G
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Post annotation 		img(gal)
1.J/MNRAS/482/4570/gaia2wd(c)DR2 white dwarf candidates, corrected version (gaiadr2whitedwarfcandidates.dat) (486641 rows)
2.J/MNRAS/482/4570/gaiasdss(c)Available SDSS spectra of candidates, corrected version (gaia-sdsswhitedwarf_catalogue.dat)[spectrum] (37259 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)
   (ALL)Sp (char) indicates SDSS spectrum in gaiasdss (meta.ref.url)
   (ALL)WD (char) WD name (WDJHHMMSS.ss+DDMMSS.ss, J2000) (whitedwarfname) (meta.id;meta.main)
  (1)DR2Name (char) Unique Gaia source designation (designation) (meta.id)
   (ALL)Source  (i) Unique Gaia source identifier (source_id) (meta.id)
  (1)RA_ICRS deg (i) Gaia DR2 barycentric right ascension (ICRS) at epoch J2015.5 (ra) (pos.eq.ra;meta.main)
  (1)e_RA_ICRS mas Standard error of right ascension (ra_error) (stat.error;pos.eq.ra)
  (1)DE_ICRS deg (i) Gaia DR2 barycentric declination (ICRS) at epoch J2015.5 (dec) (pos.eq.dec;meta.main)
  (1)e_DE_ICRS mas Standard error of declination (dec_error) (stat.error;pos.eq.dec)
  (1)Plx mas Absolute stellar parallax of the source at J2015.5 (parallax) (pos.parallax)
  (1)e_Plx mas Standard error of parallax (parallax_error) (stat.error;pos.parallax)

ALL cols		    
 (i)indexed column
  (1)pmRA mas/yr Proper motion in right ascension (pmRAxcosDE) (pmra) (pos.pm;pos.eq.ra)
  (1)e_pmRA mas/yr Standard error of proper motion in right ascension (pmra_error) (stat.error;pos.pm;pos.eq.ra)
  (1)pmDE mas/yr Proper motion in declination (pmdec) (pos.pm;pos.eq.dec)
  (1)e_pmDE mas/yr Standard error of proper motion in declination (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
  (1)epsi mas Measure of the residuals in the astrometric solution for the source (astrometricexcessnoise) (stat.fit.residual)
  (1)amax mas Five-dimensional equivalent to the semi-major axis of the Gaia position error ellipse (astrometricsigma5dmax) (pos)
  (1)FG e-/s Gaia G-band mean flux (photgmean_flux) (phot.flux;stat.mean;em.opt)
  (1)e_FG e-/s Error on G-band mean flux (photgmeanfluxerror) (stat.error;phot.flux;stat.mean)
  (1)Gmag mag Gaia G-band mean magnitude (Vega scale) (photgmean_mag) (phot.mag;stat.mean;em.opt)
  (1)FBP e-/s Integrated GBP mean flux (photbpmean_flux) (phot.flux;stat.mean;em.opt.B)
  (1)e_FBP e-/s Error on GBP-band mean flux (photbpmeanfluxerror) (stat.error;phot.flux;stat.mean)
  (1)BPmag mag Gaia GBP-band mean magnitude (Vega scale) (photbpmean_mag) (phot.mag;stat.mean;em.opt.B)
  (1)FRP e-/s Integrated GRP mean flux (photrpmean_flux) (phot.flux.density;em.opt.R)

ALL cols		    
 (i)indexed column
  (1)e_FRP e-/s Error on GRP-band mean flux (photrpmeanfluxerror) (stat.error;phot.flux;stat.mean)
  (1)RPmag mag Gaia GRP-band mean magnitude (Vega scale) (photrpmean_mag) (phot.mag;stat.mean;em.opt.R)
  (1)E(BR/RP)  GBP/GRP excess factor estimated from the comparison of the sum of integrated GBP and GRP fluxes with respect to the flux in the G-band (photbprpexcessfactor) (arith.factor)
  (1)GLON deg Galactic longitude (l) (pos.galactic.lon)
  (1)GLAT deg Galactic latitude (b) (pos.galactic.lat)
  (1)Density  The number of Gaia sources per square degree around this object (density) (meta.number)
  (1)AG mag Extinction in the Gaia G-band band derived from E(B-V) values from Schlafly and Finkbeiner (2011ApJ...737..103S) (AG) (phys.absorption)
   (ALL)SDSS (char) SDSS object name if available (JHHMMSS,.ss+DDMMSS.s, J2000) (SDSS_name) (meta.id)
   (ALL)umag mag (n) SDSS u band magnitude (umag) (phot.mag;em.opt.U)
   (ALL)e_umag mag (n) SDSS u band magnitude uncertainty (e_umag) (stat.error;phot.mag)
   (ALL)gmag mag (n) SDSS g band magnitude (gmag) (phot.mag;em.opt.B)
   (ALL)e_gmag mag (n) SDSS g band magnitude uncertainty (e_gmag) (stat.error;phot.mag)
   (ALL)rmag mag (n) SDSS r band magnitude (rmag) (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)e_rmag mag (n) SDSS r band magnitude uncertainty (e_rmag) (stat.error;phot.mag)
   (ALL)imag mag (n) SDSS i band magnitude (imag) (phot.mag;em.opt.I)
   (ALL)e_imag mag (n) SDSS i band magnitude uncertainty (e_imag) (stat.error;phot.mag)
   (ALL)zmag mag (n) SDSS z band magnitude (zmag) (phot.mag;em.opt.I)
   (ALL)e_zmag mag (n) SDSS z band magnitude uncertainty (e_zmag) (stat.error;phot.mag)
  (1)Pwd  (n) [0/1] The probability of being a white dwarf (Pwd) (stat.fit.goodness)
  (1)f_Pwd   [0/1] If 1 it indicates the PWD value could be unreliable (Pwd_flag) (meta.code)
  (1)TeffH K (n) Effective temperature from fitting the dereddened G,GBP, and GRP absolute fluxes with pure-H model atmospheres (Teff_H) (phys.temperature.effective)
  (1)e_TeffH K (n) Uncertainty on Teff_H (eTeff_H) (stat.error)
  (1)loggH  (n) Surface gravity from fitting the dereddened G,GBP,and GRP absolute fluxes with pure-H model atmospheres (loggH) (phys.gravity)
  (1)e_loggH  (n) Uncertainty on loggH (eloggH) (stat.error)
  (1)MassH Msun (n) Stellar mass resulting from the adopted mass-radius relation (mass_H) (phys.mass)
  (1)e_MassH Msun (n) Uncertainty on the mass (emass_H) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)chi2H  (n) chi2 value of the fit (pure-H) (chi2_H) (stat.fit.chi2;stat.fit.param;meta.modelled)
  (1)TeffHe K (n) Effective temperature from fitting the dereddened G,GBP, and GRP absolute fluxes with pure-He model atmospheres (Teff_He) (phys.temperature.effective)
  (1)e_TeffHe K (n) Uncertainty on Teff_He (eTeff_He) (stat.error)
  (1)loggHe  (n) Surface gravity from fitting the dereddened G,GBP,and GRP absolute fluxes with pure-He model atmospheres (loggHe) (phys.gravity)
  (1)e_loggHe  (n) Uncertainty on loggHe (eloggHe) (stat.error)
  (1)MassHe Msun (n) Stellar mass resulting from the adopted mass-radius relation (mass_He) (phys.mass)
  (1)e_MassHe Msun (n) Uncertainty on the mass (emass_He) (stat.error)
  (1)chisqHe  (n) chi2 value of the fit (pure-H) (chisq_He) (stat.fit.chi2;stat.fit.param;meta.modelled)
  (1)_RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  (1)_DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  (2)n_WD (char) [a] Multiplicity index on WD (meta.note)
  (2)RAJ2000 deg (i) Right ascension (J2000) of the spectrum source from SDSS DR14 (SDSS_ra) (pos.eq.ra;meta.main)
  (2)DEJ2000 deg (i) Declination (J2000) of the spectrum source from SDSS DR14 (SDSS_dec) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Plate  Identifier of the plate used in the observation of the spectrum (Plate) (meta.id;instr.setup;instr.plate)
  (2)MJD  Modified Julian date of the observation of the spectrum (mjd) (time.epoch)
  (2)Fiber  Identifier of the fiber used in the observation of the spectrum (fiberID) (meta.note)
  (2)S/N  Signal-to-noise ratio of the spectrum calculated in the range 4500-5500 A (S/N) (stat.snr;meta.modelled)
  (2)SpClass (char) Classification of the object based on a visual inspection of the SDSS spectrum (spectral_class) (Note 1)   (meta.code.class;src.class)

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