VizieR

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

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

  
J/ApJS/272/6
  CaII triplet stellar-activity indices from LAMOST (Huang+, 2024)
ReadMe+ftp
2024ApJS..272....6H
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/272/6/catalogStellar activity database (699348 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)
  obsid  (i) [31703101/914316197] LAMOST DR9 observation identifier (meta.id;meta.main)
  GaiaDR3  (i) Source identifier in Gaia DR3 (meta.id.cross)
  m_GaiaDR3  (n)Number of observations for this source (meta.number)
  Gmag mag (n) [5.6/21.8] Mean G mag provided by Gaia DR3 (phot.mag;stat.mean;em.opt)
  SNRi   [100/999] SNR of LAMOST spectrum at i band (stat.snr;em.opt.I)
  SNRz   [100/999] SNR of LAMOST spectrum at z band (stat.snr;em.opt.I)
  RAJ2000 deg (i) RA of fiber point (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-9.7/88] Declination of fiber point (J2000) (pos.eq.dec;meta.main)
  Teff K [4800/6800] Effective temperature, LAMOST AFGK Catalog (phys.temperature.effective)
  e_Teff K (n) [0/913] Uncertainty of Teff (stat.error;phys.temperature.effective)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  logg [cm/s2] [3.6/4.9] Surface gravity, LAMOST AFGK Catalog (phys.gravity)
  e_logg [cm/s2] (n) [0/0.9] Uncertainty of logg (stat.error;phys.gravity)
  FeH [-] [-1.01/0.51] Metallicity, LAMOST AFGK Catalog (phys.abund.Fe)
  e_FeH [-] (n) [0/0.8] Uncertainty of FeH (stat.error;phys.abund.Fe)
  RVel km.s-1 [-453/432] Radial velocity, LAMOST AFGK Catalog (spect.dopplerVeloc)
  e_RVel km.s-1 (n) [0/84] Uncertainty of RVel (stat.error;spect.dopplerVeloc)
  R8498   [0.63/1.6] R index (Equation 1; Section 3.1) for CaII IRT 8498Å (spect.index)
  e_R8498  (n) [0.001/0.31] Uncertainty of R8498 (stat.error;spect.index)
  R8542   [0.43/1.8] R index (Equation 1; Section 3.1) for CaII IRT 8542Å (spect.index)
  e_R8542  (n) [0.001/0.2] Uncertainty of R8542 (stat.error;spect.index)
  R8662   [0.46/1.6] R index (Equation 1; Section 3.1) for CaII IRT 8662Å (spect.index)
  e_R8662  (n) [0.001/0.1] Uncertainty of R8662 (stat.error;spect.index)
  R+8498   [-0.2/0.8] R+ index (Equation 2; Section 3.1) for CaII IRT 8498Å (spect.index)
  e_R+8498  (n) [0.001/0.31] Uncertainty of R+8498 (stat.error;spect.index)
  R+8542   [-0.23/1.1] R+ index (Equation 2; Section 3.1) for CaII IRT 8542Å (spect.index)
  e_R+8542  (n) [0.001/0.2] Uncertainty of R+8542 (stat.error;spect.index)
  R+8662   [-0.26/0.9] R+ index (Equation 2; Section 3.1) for CaII IRT 8662Å (spect.index)
  e_R+8662  (n) [0.001/0.11] Uncertainty of R+8662 (stat.error;spect.index)
  DR7  (n)Display data from LAMOST LRS AFGK star catalog DR7 (V/156) within 1" (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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