J/MNRAS/495/1252/table2The EWs of H{alpha} line for LAMOST DR6/DR7 medium-resolution spectrarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMoreLink to tables 4, 5 and 6meta.ref.urlcharNameSource name (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharprimaryRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainindexedDEJ2000Declination (J2000)degpos.eq.dec;meta.mainindexedDateObservation datetime.epoch;obsnullableindexedMJMModified Julian minutemintime.epochintS/NSignal to noise ratiostat.snrdoubleSpTypeSpectral typesrc.spTypecharProt? Rotation period from Kepler and K2 with the Lomb-Scargle methoddtime.perioddoublenullableEWHa? H{alpha} equivalent width (G1)0.1nmspect.line.eqWidthdoublenullablee_EWHaError on EWHa0.1nmstat.errordoubleEmis[YN] Indicates whether there is emissionmeta.codecharVar[YNO] Indicates whether there is variation ('Y' for yes, 'N' for no, 'O' for one observation)meta.codechar
J/MNRAS/495/1252/table3The EWs of the H{alpha} line for LAMOST DR5 low-resolution spectrarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameSource name (LAMOST JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharDateObservation datetime.epoch;obscharMJMModified Julian minutetime.epochcharRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainindexedDEJ2000Declination (J2000)degpos.eq.dec;meta.mainindexedmagTypeTarget magnitude typemeta.code;instr.filtercharmag1? Magnitude on the first band in magTypemagphot.magdoublenullablemag2? Magnitude on the second band in magTypemagphot.magdoublenullablemag3? Magnitude on the third band in magTypemagphot.magdoublenullablemag4? Magnitude on the fourth band in magTypemagphot.magdoublenullablemag5? Magnitude on the fifth band in magTypemagphot.magdoublenullablemag6? Magnitude on the sixth band in magTypemagphot.magdoublenullablemag7? Magnitude on the seventh band in magTypemagphot.magdoublenullableSpTypeSpectral type or object classsrc.spTypecharS/NuSignal to noise ratio on the u filterstat.snrdoubleS/NgSignal to noise ratio on the g filterstat.snrdoubleS/NrSignal to noise ratio on the r filterstat.snrdoubleS/NiSignal to noise ratio on the i filterstat.snrdoubleS/NzSignal to noise ratio on the z filterstat.snrdoubleEWHa? H{alpha} equivalent width (G1)0.1nmspect.line.eqWidthdoublenullablee_EWHa? Error on EWHa0.1nmstat.errordoublenullableEmis[YN] Indicates whether there is emissionmeta.codechar
J/MNRAS/495/1252/table4The values of L_H{alpha}_/L_bol_ for LAMOST DR6/DR7 medium-resolution spectraloggLogarithm of the surface gravitylog(cm.s**-2)phys.gravityfloate_logg[]? Error on logglog(cm.s**-2)stat.errordoublenullable[Fe/H]Fe/H abundance ratiophys.abund.Fe;arith.ratiofloate_[Fe/H][]? Error on [Fe/H]stat.error;phys.abund.FedoublenullablelogchiHaLogarithm of the ratio between the surface continuum flux near H{alpha} and the surface bolometric flux (1)phot.flux;arith.ratiodoubleRHaChromospheric activity level R'_H{alpha}_ (2)phot.flux;arith.ratiodoublee_RHa[]? Error on RHa (3)stat.errordoublenullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameSource name (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharMJMModified Julian minutemintime.epochintS/NSignal to noise ratiostat.snrfloatTeffEffective temperatureKphys.temperature.effectivedoublee_Teff[]? Error on TeffKstat.error;phys.temperature.effectivedoublenullable
J/MNRAS/495/1252/table5Flare parametersrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSimbadSimbad column added by the CDSmeta.ref.urlcharNameSource name (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharONameKIC or EPIC star identifiermeta.notecharRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainCad[long] Cadencemeta.codecharTstartFlare start timedtime.epochdoubleTpeakFlare peak timedtime.epochdoubleTendFlare end timedtime.epochdoubleDurationFlare durationdtime.durationdoubleAmpAmplitude of the flaresrc.var.amplitudedoubleEbol? Bolometric energy of the flarelog(1e-07J)phys.energydoublenullableEkep? Kepler response flare energylog(1e-07J)phys.energydoublenullableTeffEffective temperatureKphys.temperature.effectivefloatRad? Star radiussolRadphys.size.radiusdoublenullableMass? Star masssolMassphys.massfloatnullableSpTypeSpectral typesrc.spTypecharDurtotTotal flare duration (1)dtime.durationdoubleTobsTotal observation timedtime.epochdoubleFORFlare occurence rate (2)time;arith.ratiodoubleProt? Rotation perioddtime.perioddoublenullableRo? Rossby number (3)stat.fit.paramdoublenullable
J/MNRAS/495/1252/table6Parameters of 4774 stars cross-matched by LAMOST medium-resolution spectra and VSXrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameSource name (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainNobsNumber of observationsmeta.numberintONameVariable namemeta.idcharVarTypeVariability type as in the GCVS catalogue (Samus et al. 2017ARep...61...80S, Cat. B/gcvs)meta.idcharMmax? Magnitude at maximum or amplitudesrc.var.amplitudefloatnullableu_Mmax[:] Uncertainty flag on Mmaxmeta.code.errorcharEpoch? Epoch of the maximum or minimum (HJD)dtime.epochdoublenullablePeriod? Period of the variabilitydtime.perioddoublenullableu_Period[:] Uncertainty flag on Periodmeta.code.error;time.periodchar