J/AJ/131/1674/dataClose binary systems from SDSSSimbadNameSimbad column added by the CDSmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSDSSSource name (SDSS JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharplate? SDSS plate numbermeta.id;instr.plateintnullablefiber? SDSS fiber numbermeta.noteintnullableMJD? Modified Julian Date of observationdtime.epochintnullableSpTypeSpectral type of the primary and secondary (G1)src.spTypecharRAJ2000Right Ascension in decimal degrees (J2000.0)degpos.eq.ra;meta.mainDEJ2000Declination in decimal degrees (J2000.0)degpos.eq.dec;meta.mainumag? SDSS u band psf magnitudemagphot.mag;em.opt.Ufloatnullablee_umag? The 1{sigma} error in umagmagstat.error;phot.mag;em.opt.UfloatnullableAu? Galactic extinction in the SDSS u bandmagphot.mag;em.opt.Ufloatnullablegmag? SDSS g band psf magnitudemagphot.mag;em.opt.Bfloatnullablee_gmag? The 1{sigma} error in gmagmagstat.error;phot.mag;em.opt.BfloatnullableAg? Galactic extinction in the SDSS g bandmagphys.absorption.galfloatnullablermag? SDSS r band psf magnitudemagphot.mag;em.opt.Rfloatnullablee_rmag? The 1{sigma} error in rmagmagstat.error;phot.mag;em.opt.RfloatnullableAr? Galactic extinction in the SDSS r bandmagphys.absorption.galfloatnullableimag? SDSS i band psf magnitudemagphot.mag;em.opt.Ifloatnullablee_imag? The 1{sigma} error in imagmagstat.error;phot.mag;em.opt.IfloatnullableAi? Galactic extinction in the SDSS i bandmagphys.absorption.galfloatnullablezmag? SDSS z band psf magnitudemagphot.mag;em.opt.Ifloatnullablee_zmag? The 1{sigma} error in zmagmagstat.error;phot.mag;em.opt.IfloatnullableAz? Galactic extinction in the SDSS z bandmagphot.mag;em.opt.IfloatnullableDROriginal data release (1)meta.notecharNote[**] Potential low gravity (log(g)<7) white dwarfsmeta.notecharWDType? White dwarf model sub-type (G2)src.spTypefloatnullablee_WDType? The 1{sigma} error in WDTypemeta.notefloatnullableMSTypeMain sequence spectral sub-typesrc.spTypecharlog(g)? Log of the model surface gravity of WDlog(cm.s**-2)phys.gravity;meta.modelledfloatnullablee_log(g)? The 1{sigma} error in log(g)log(cm.s**-2)stat.errorfloatnullableTeff? Model effective temperature of WDKphys.temperature.effective;meta.modelledintnullablee_Teff? The 1{sigma} error in TeffKstat.error;phys.temperature.effectiveintnullableAge? Cooling age from evolutionary modelyrtime.agedoublenullableEW(Ha)? H{alpha} equivalent width of dM star0.1nmspect.line.eqWidth;em.line.Halphafloatnullablee_EW(Ha)? The 1{sigma} error in EW(Ha)0.1nmstat.errorfloatnullableTiO5? TiO5 molecular bandhead measurementspect.indexfloatnullablee_TiO5? The 1{sigma} error in TiO5stat.errorfloatnullableCaH1? CaH1 molecular bandhead measurementspect.indexfloatnullablee_CaH1? The 1{sigma} error in CaH1stat.errorfloatnullableCaH2? CaH2 molecular bandhead measurementspect.indexfloatnullablee_CaH2? The 1{sigma} error in CaH2stat.errorfloatnullableCaH3? CaH3 molecular bandhead measurementspect.indexfloatnullablee_CaH3? The 1{sigma} error in CaH3stat.errorfloatnullableTiO8? TiO8 molecular bandhead measurementspect.indexfloatnullablee_TiO8? The 1{sigma} error in TiO8stat.errorfloatnullableC-Ha? Continuum H{alpha} in Angstroms0.1nmspect.indexfloatnullableComCommentmeta.notechare_C-Ha? The 1{sigma} error in C-Ha0.1nmstat.errorfloatnullabler-i? SDSS (r-i) color indexphot.color;em.opt.R;em.opt.Ifloatnullablelogchi? The log({chi}) factor (West, Walkowicz & Hawley 2005PASP..117..706W) (1)phot.flux;arith.ratiofloatnullableLHa/Lbol? The H{alpha} luminosity relative to the bolometric luminosityphys.luminositydoublenullableMSb[**] MSType is a lower limit (2)meta.notechar