VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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J/ApJS/274/36
  Magnetic activity from LAMOST DR9, Gaia & TESS (Li+, 2024)
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2024ApJS..274...36L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/274/36/mdwarfs(c)Stellar parameters of M dwarf stars from LAMOST DR9 spectra (Table 1) and calculation parameters (Table 2) (781232 rows)
2.J/ApJS/274/36/table3H{alpha} variation of M dwarf stars from LAMOST Low-resolution spectral DR9 (440287 rows)

Simple ConstraintList Of Constraints
 
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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)Var (char) H{alpha} variation from LAMOST DR9 LRS data (link to Table 3) (meta.ref.url)
   (ALL)LAMOST (char) (i) LAMOST DR9 position-based Name (Note G1)   (meta.id;meta.main)
  (1)m_LAMOST  (n)Number of observations for this LAMOST source (meta.code.multip)
  (1)RAJ2000 deg (i) LAMOST DR9 Right Ascension (J2000) (Note G1)   (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) LAMOST DR9 Declination (J2000) (Note G1)   (pos.eq.dec;meta.main)
  (1)SNR  (n) [0/822] LAMOST DR9 spectrum signal-to-noise ratio (Note G1)   (stat.snr)
   (ALL)EWHa 0.1nm (n) [-1499/2682] LAMOST DR9 H{alpha} equivalent width in angstroms (Note G1)   (spect.line.eqWidth)
   (ALL)e_EWHa 0.1nm (n) [0/713467] Uncertainty in EWHa (Note G1)   (stat.error)
  (1)SpT (char) Spectral type subclass (Note G1)   (src.spType)
  (1)z (char) Redshift (Note G1)   (src.redshift)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Fe/H [-] (n) [-2.5/0.5] LAMOST DR9 metallicity (Note G1)   (phys.abund.Z)
  (1)e_Fe/H [-] (n) [0.08/0.9] Uncertainty in FeH (Note G1)   (stat.error;phys.abund.Fe)
  (1)Teff K (n) [2300/4300] LAMOST DR9 surface effective temperature (Note G1)   (phys.temperature.effective)
  (1)e_Teff K (n) [45/424] Uncertainty in Teff (Note G1)   (stat.error;phys.temperature.effective)
  (1)logg [cm/s2] (n) [-0.5/6] LAMOST DR9 log of surface gravity (Note G1)   (phys.gravity)
  (1)e_logg [cm/s2] (n) [0.07/1] Uncertainty in logg (Note G1)   (stat.error)
  (1)CV  (n) [3.3e-06/2] Coefficient of variation, this work (src.var.index)
  (1)pmRA mas/yr (n) [-661/814] Gaia DR3 (Epoch=2016.0) proper motion in RA (pos.pm;pos.eq.ra)
  (1)e_pmRA mas/yr (n) [0.005/2.5] Uncertainty in pmRA (stat.error;pos.pm;pos.eq.ra)
  (1)pmDE mas/yr (n) [-1107/368] Gaia DR3 (Epoch=2016.0) proper motion in Dec (pos.pm;pos.eq.dec)
  (1)e_pmDE mas/yr (n) [0.007/3] Uncertainty in pmDE (stat.error;pos.pm;pos.eq.dec)
   (ALL)Mark (char) Activity indicator, Yes=Star is active (meta.code)
  (1)Rad kpc (n) [2/22] Star galactic radius, projected onto the midplane (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Z kpc (n) [-17.4/32.1] Stellar galactic scale height (instr.scale;pos.galactic)
  (1)Per d (n) [0.01/437] Period, based on VSX and TESS (time.period)
  (1)Mstar Msun (n) [0.1/2.3] Mass from TESS Input Catalog v8.0 (phys.mass)
  (1)Ro  (n) [5.9e-05/13.3] Rossby number (stat.param)
   (ALL)RHa  (n) [-0.2/0.002] Chromospheric H{alpha} activity index, Equation 1 (spect.index)
  (1)e_RHa  (n) [0/0.01] Uncertainty in RHa (stat.error)
  (1)EWHb 0.1nm (n) [-11739/1443099] H{beta} equivalent width in angstroms (spect.line.eqWidth)
  (1)e_EWHb 0.1nm (n) [0.005/8383] Uncertainty in EWHb (stat.error)
  (2)RAdeg deg (i) Right Ascension (pos.eq.ra;meta.main)
  (2)DEdeg deg (i) [-9.2/78] Declination (pos.eq.dec;meta.main)
  (2)MJD d (i) [55858/59377] Modified Julian date (time.epoch)
  (2)dMJD d [0/3422] Difference, maximum and minimum Julian dates (time;arith.diff)
  (2)dHa 0.1nm (n) [0/10046] Difference, maximum and minimum EWHa (spect.line.width)

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