VizieR

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

VizieR

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/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/mdwarfsStellar parameters of M dwarf stars from LAMOST DR9 spectra (Table 1) and calculation parameters (Table 2) (781232 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Var (char) Hα variation from LAMOST DR9 LRS data (link to Table 3) (meta.ref.url)
  LAMOST (char) (i) LAMOST DR9 position-based Name (Note G1)   (meta.id;meta.main)
  m_LAMOST  (n)Number of observations for this LAMOST source (meta.code.multip)
  RAJ2000 deg (i) LAMOST DR9 Right Ascension (J2000) (Note G1)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) LAMOST DR9 Declination (J2000) (Note G1)   (pos.eq.dec;meta.main)
  SNR  (n) [0/822] LAMOST DR9 spectrum signal-to-noise ratio (Note G1)   (stat.snr)
  EWHa 0.1nm (n) [-1499/2682] LAMOST DR9 Hα equivalent width in angstroms (Note G1)   (spect.line.eqWidth)
  e_EWHa 0.1nm (n) [0/713467] Uncertainty in EWHa (Note G1)   (stat.error)
  SpT (char) Spectral type subclass (Note G1)   (src.spType)
  z (char) Redshift (Note G1)   (src.redshift)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Fe/H [-] (n) [-2.5/0.5] LAMOST DR9 metallicity (Note G1)   (phys.abund.Z)
  e_Fe/H [-] (n) [0.08/0.9] Uncertainty in FeH (Note G1)   (stat.error;phys.abund.Fe)
  Teff K (n) [2300/4300] LAMOST DR9 surface effective temperature (Note G1)   (phys.temperature.effective)
  e_Teff K (n) [45/424] Uncertainty in Teff (Note G1)   (stat.error;phys.temperature.effective)
  logg [cm/s2] (n) [-0.5/6] LAMOST DR9 log of surface gravity (Note G1)   (phys.gravity)
  e_logg [cm/s2] (n) [0.07/1] Uncertainty in logg (Note G1)   (stat.error)
  CV  (n) [3.3e-06/2] Coefficient of variation, this work (src.var.index)
  pmRA mas/yr (n) [-661/814] Gaia DR3 (Epoch=2016.0) proper motion in RA (pos.pm;pos.eq.ra)
  e_pmRA mas/yr (n) [0.005/2.5] Uncertainty in pmRA (stat.error;pos.pm;pos.eq.ra)
  pmDE mas/yr (n) [-1107/368] Gaia DR3 (Epoch=2016.0) proper motion in Dec (pos.pm;pos.eq.dec)
  e_pmDE mas/yr (n) [0.007/3] Uncertainty in pmDE (stat.error;pos.pm;pos.eq.dec)
  Mark (char) Activity indicator, Yes=Star is active (meta.code)
  Rad kpc (n) [2/22] Star galactic radius, projected onto the midplane (meta.id)
  Z kpc (n) [-17.4/32.1] Stellar galactic scale height (instr.scale;pos.galactic)
  Per d (n) [0.01/437] Period, based on VSX and TESS (time.period)
  Mstar Msun (n) [0.1/2.3] Mass from TESS Input Catalog v8.0 (phys.mass)
  Ro  (n) [5.9e-05/13.3] Rossby number (stat.param)
  RHa  (n) [-0.2/0.002] Chromospheric Hα activity index, Equation 1 (spect.index)
  e_RHa  (n) [0/0.01] Uncertainty in RHa (stat.error)
  EWHb 0.1nm (n) [-11739/1443099] Hβ equivalent width in angstroms (spect.line.eqWidth)
  e_EWHb 0.1nm (n) [0.005/8383] Uncertainty in EWHb (stat.error)

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