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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/MNRAS/495/1252
  Magnetic activity based on LAMOST and Kepler (Zhang+, 2020)
ReadMe+ftp
2020MNRAS.495.1252Z
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/495/1252/table2(c)The EWs of Hα line for LAMOST DR6/DR7 medium-resolution spectra (2091658 rows)
2.J/MNRAS/495/1252/table3(c)The EWs of the Hα line for LAMOST DR5 low-resolution spectra (247378 rows)
3.J/MNRAS/495/1252/table4The values of LHα/Lbol for LAMOST DR6/DR7 medium-resolution spectra (1275481 rows)
4.J/MNRAS/495/1252/table5(c)Flare parameters (2132 rows)
5.J/MNRAS/495/1252/table6(c)Parameters of 4774 stars cross-matched by LAMOST medium-resolution spectra and VSX (4774 rows)

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)
  (1)More (char) Link to tables 4, 5 and 6 (meta.ref.url)
   (ALL)Name (char) (i) Source name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  (1+2+4+5)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1+2+4+5)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)Date "Y:M:D" (n)(i) Observation date (time.epoch;obs)
  (1+3)MJM min Modified Julian minute (time.epoch)
  (1+3)S/N  Signal to noise ratio (stat.snr)
  (1+2+4)SpType (char) Spectral type (src.spType)
  (1+4)Prot d (n) Rotation period from Kepler and K2 with the Lomb-Scargle method (time.period)
  (1+2)EWHa 0.1nm (n) Hα equivalent width (Note G1)   (spect.line.eqWidth)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+2)e_EWHa 0.1nm Error on EWHa (stat.error)
  (1+2)Emis (char) [YN] Indicates whether there is emission (meta.code)
  (1)Var (char) [YNO] Indicates whether there is variation ('Y' for yes, 'N' for no, 'O' for one observation) (meta.code)
  (2)Date (char) Observation date (time.epoch;obs)
  (2)MJM (char) Modified Julian minute (time.epoch)
  (2)magType (char) Target magnitude type (meta.code;instr.filter)
  (2)mag1 mag (n) Magnitude on the first band in magType (phot.mag)
  (2)mag2 mag (n) Magnitude on the second band in magType (phot.mag)
  (2)mag3 mag (n) Magnitude on the third band in magType (phot.mag)
  (2)mag4 mag (n) Magnitude on the fourth band in magType (phot.mag)
  (2)mag5 mag (n) Magnitude on the fifth band in magType (phot.mag)
  (2)mag6 mag (n) Magnitude on the sixth band in magType (phot.mag)
  (2)mag7 mag (n) Magnitude on the seventh band in magType (phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)S/Nu  Signal to noise ratio on the u filter (stat.snr)
  (2)S/Ng  Signal to noise ratio on the g filter (stat.snr)
  (2)S/Nr  Signal to noise ratio on the r filter (stat.snr)
  (2)S/Ni  Signal to noise ratio on the i filter (stat.snr)
  (2)S/Nz  Signal to noise ratio on the z filter (stat.snr)
  (3+4)Teff K Effective temperature (phys.temperature.effective)
  (3)e_Teff K (n) []? Error on Teff (stat.error;phys.temperature.effective)
  (3)logg [cm/s2] Logarithm of the surface gravity (phys.gravity)
  (3)e_logg [cm/s2] (n) []? Error on logg (stat.error)
  (3)[Fe/H] [-] Fe/H abundance ratio (phys.abund.Fe;arith.ratio)
  (3)e_[Fe/H] [-] (n) []? Error on [Fe/H] (stat.error;phys.abund.Fe)
  (3)logchiHa [-] Logarithm of the ratio between the surface continuum flux near Hα and the surface bolometric flux (Note 1)   (phot.flux;arith.ratio)
  (3)RHa  Chromospheric activity level R'Hα (Note 2)   (phot.flux;arith.ratio)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)e_RHa  (n) []? Error on RHa (3) (Note 3)   (stat.error)
  (4+5)OName (char) KIC or EPIC star identifier (meta.note)
  (4)Cad (char) [long] Cadence (meta.code)
  (4)Tstart d Flare start time (time.epoch)
  (4)Tpeak d Flare peak time (time.epoch)
  (4)Tend d Flare end time (time.epoch)
  (4)Duration d Flare duration (time.duration)
  (4)Amp  Amplitude of the flare (src.var.amplitude)
  (4)Ebol [10-7J] (n) Bolometric energy of the flare (phys.energy)
  (4)Ekep [10-7J] (n) Kepler response flare energy (phys.energy)
  (4)Rad Rsun (n) Star radius (phys.size.radius)
  (4)Mass Msun (n) Star mass (phys.mass)
  (4)Durtot d Total flare duration (Note 1)   (time.duration)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Tobs d Total observation time (time.epoch)
  (4)FOR  Flare occurence rate (Note 2)   (time;arith.ratio)
  (4)Ro  (n) Rossby number (Note 3)   (stat.fit.param)
  (4)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (5)Nobs  Number of observations (meta.number)
  (5)VarType (char) Variability type as in the GCVS catalogue (Samus et al. 2017ARep...61...80S, Cat. B/gcvs) (meta.id)
  (5)Mmax  (n) Magnitude at maximum or amplitude (src.var.amplitude)
  (5)u_Mmax (char) [:] Uncertainty flag on Mmax (meta.code.error)
  (5)Epoch d (n) Epoch of the maximum or minimum (HJD) (time.epoch)
  (5)Period d (n) Period of the variability (time.period)
  (5)u_Period (char) [:] Uncertainty flag on Period (meta.code.error;time.period)

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