J/ApJS/253/19/mstarsParameters of M stars catalog observed in LAMOST low-resolution spectral survey DR7 (Tables 2 and 3)f_EWCaII-2Activity flag for EWCaII-2meta.codecharf_EWHeIActivity flag for EWHeImeta.codecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMRNumber of medium resolution measurements for this star (link to Table 5)meta.ref.urlintnullableLAMOSTLAMOST identifier (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharprimaryindexedNpNumber of repeated low resolution measurements for this starmeta.ref.urlintnullableHJD[55858.8/58643.11]? Heliocentric Julian Date of observation; HJD-2400000 (G1)dtime.epochdoublenullableindexedExp[500/9000]? Exposure timesmeta.codefloatnullableSpTSpectral typesrc.spTypecharSNr[-9999/999] Signal to noise in r filterstat.snrfloatRVel[-9999/93341]? Radial velocitykm/sphys.veloc;pos.heliocentricfloatnullablee_RVel[0/999619]? Uncertainty in RVelkm/sstat.error;spect.dopplerVelocdoublenullableSDSSSDSS DR 12 identifier (JHHMMSS.ss+DDMMSS.s)meta.idcharumag[10.3/32.6]? Apparent SDSS u band AB magnitudemagphot.mag;em.opt.Ufloatnullablee_umag[0/82]? Uncertainty in umagmagstat.error;phot.magfloatnullablegmag[7.9/36.1]? Apparent SDSS g band AB magnitudemagphot.mag;em.opt.Bfloatnullablee_gmag[0/68]? Uncertainty in gmagmagstat.error;phot.magfloatnullablermag[6.5/31.1]? Apparent SDSS r band AB magnitudemagphot.mag;em.opt.Rfloatnullablee_rmag[0/37]? Uncertainty in rmagmagstat.error;phot.magfloatnullableimag[6.1/37.6]? Apparent SDSS i band AB magnitudemagphot.mag;em.opt.Ifloatnullablee_imag[0/58]? Uncertainty in imagmagstat.error;phot.magfloatnullablezmag[5/32.6]? Apparent SDSS z band AB magnitudemagphot.mag;em.opt.Ifloatnullablee_zmag[0/59]? Uncertainty in zmagmagstat.error;phot.magfloatnullableEWHa[-984/7873]? H{alpha} equivalent width; Angstroms0.1nmspect.line.eqWidthdoublenullableSNHa[-753/9856]? Signal to noise of H{alpha} linestat.snrfloatnullablee_EWHa[0/9975]? Uncertainty in EWHa0.1nmstat.errordoublenullableHeight[0/1104]? Height of H{alpha}0.1nmspect.line;em.line.HalphafloatnullableEH{alpha} activity criteria; (Y)es or (N)ometa.codecharEWCaH[-9732/93048]? CaII H line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaH[0.003/996907]? Uncertainty in EWCaH0.1nmstat.errordoublenullablef_EWCaHActivity flag for EWCaH (1)meta.codecharEWHb[-945/7740]? H{beta} line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWHb[0/9990]? Uncertainty in EWHb0.1nmstat.errordoublenullablef_EWHbActivity flag for EWHb (1)meta.codecharEWHg[-9397/98764]? H{gamma} line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWHg[0.001/1546892]? Uncertainty in EWHg0.1nmstat.errordoublenullablef_EWHgActivity flag for EWHg (1)meta.codecharEWHd[-1000/9981]? H{delta} line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWHd[0.002/99944]? Uncertainty in EWHd0.1nmstat.errordoublenullablef_EWHdActivity flag for EWHd (1)meta.codecharEWHeI[-8872/48729]? HeI D3 line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWHeI[0/9997]? Uncertainty in EWHeI0.1nmstat.errordoublenullableEWCaII-1[-815931/77628000]? CaII 8498{AA} line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaII-1[0/48926900]? Uncertainty in EWCaII-10.1nmstat.errordoublenullablef_EWCaII-1Activity flag for EWCaII-1meta.codecharEWCaII-2[-635707/749992000]? CaII 8542{AA} line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaII-2[0/87080000]? Uncertainty in EWCaII-20.1nmstat.errordoublenullableEWCaII-3[-812/80842]? CaII 8662{AA} line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaII-3[0/49267000]? Uncertainty in EWCaII-30.1nmstat.errordoublenullablef_EWCaII-3Activity flag for EWCaII-3meta.codecharEWTiO5[-900/999995]? TiO5 molecular line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWTiO5[0/1316216]? Uncertainty in EWTiO50.1nmstat.errordoublenullableEWCaH1[-3580/6399]? CaH1 molecular line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaH1[0/970780]? Uncertainty in EWCaH10.1nmstat.errordoublenullableEWCaH2[-1205/730]? CaH2 molecular line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaH2[0/99769]? Uncertainty in EWCaH20.1nmstat.errordoublenullableEWCaH3[-837/1777]? CaH3 molecular line equivalent width; in Angstrom units0.1nmspect.line.eqWidthdoublenullablee_EWCaH3[0/42079819]? Uncertainty in EWCaH30.1nmstat.errordoublenullableDR4+5Display the LAMOST DR4 (V/153) and DR5 (V/164) data within 0.5"meta.ref.urlcharSloanDisplay the online SDSS-DR14 data for the nearest objectmeta.ref.urlchar_RAPositions from LAMOST names (right ascension part)degpos.eq.ra;meta.mainindexed_DEPositions from LAMOST names (declination part)degpos.eq.dec;meta.mainindexed
J/ApJS/253/19/table5Parameters of M stars catalog from LAMOST medium-resolution survey, the parameter of H{alpha} line and its variations in short and long time scalesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLRDisplay low resolution measurements for this starmeta.ref.urlintnullableLAMOSTLAMOST identifier (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharSpTSpectral typesrc.spTypecharHJD[83555758/84454742]? Heliocentric Julian Date in minutesmintime.epochintnullableExp[319/1800]? Exposure timesmeta.codeintnullableSN[0/999] Signal to noise ratiostat.snrintEWHa[-578/571] Equivalent width of H{alpha}; in Angstrom units0.1nmmeta.codedoublee_EWHa[0/241958] Uncertainty in EWHa0.1nmstat.errordoubleEm[Y/N] Emission of H{alpha} line? (No=absorption)meta.codecharL[Y/N] H{alpha} variation on long time scale?meta.codecharS[Y/N] H{alpha} variation on short time scale?meta.codechar_RAPositions from LAMOST names (right ascension part)degpos.eq.ra;meta.mainindexed_DEPositions from LAMOST names (declination part)degpos.eq.dec;meta.mainindexed
J/ApJS/253/19/table6Parameters of M stars catalog with repeated LAMOST low-resolution observationsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSeq[1/85992] Internal object numbermeta.idintLAMOSTLAMOST identifier (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharSpTSpectral typesrc.spTypecharRep[2/30] The repeated number of objectsmeta.numberintEWHa-Max[-86/1363] Maximum H{alpha} equivalent width; in Angstrom units0.1nmspect.line.eqWidth;stat.max;em.line.Halphadoublee_EWHa-Max[0/8484] Uncertainty in EWHa-Max0.1nmstat.errordoubleEWHa-Min[-498/318] Minimum H{alpha} equivalent width; in Angstrom units0.1nmspect.line.eqWidth;stat.min;em.line.Halphadoublee_EWHa-Min[0/8928] Uncertainty in EWHa-Min0.1nmstat.errordoubleRatio[-79107/24178] The EWHa-Max/EWHa-Min ratiospect.line.eqWidth;arith.diffdoubleDiff[0/1360] The EWHa-Max - EWHa-Min differencespect.line.eqWidth;arith.diffdoublee_Diff[0.002/8928] Uncertainty in Diffstat.error;arith.diffdoubleVar[Yes/No ] Variation of H{alpha} line?meta.code;src.varchar_RAPositions from LAMOST names (right ascension part)degpos.eq.ra;meta.mainindexed_DEPositions from LAMOST names (declination part)degpos.eq.dec;meta.mainindexed