| J/ApJS/249/22/epochs | Radial velocity variable stars from LAMOST DR4 (Tian+, 2020) Measurements per epoch (extracted from catalog.dat by CDS) (304473 rows) | recno=50679 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 01 57 46.054608 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEJ2000 | +38 04 28.43724 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _RAB1950 | 01 54 46.981202 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) |
| _DEB1950 | +37 49 52.79646 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) |
| _Glon | 137.055552399 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) |
| _Glat | -22.971261938 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) |
| 50679recno | 50679 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| RAJ2000 | 029.4418942 | deg | (i) Right ascension (J2000) (RA) (pos.eq.ra;meta.main) |
| DEJ2000 | +38.0745659 | deg | (i) Declination (J2000) (DEC) (pos.eq.dec;meta.main) |
| JD | 2456287.979 | d | Julian Day of exposure of the SpecId (JULS_EPOCH) (time.epoch;obs.exposure) |
| SNR | 194.528 | [10/2329] S/N(4650A) per pixel in blue arm of epochs (SNRB_EPOCH) (stat.snr) | |
| RV | 77.8 | km/s | [-968/785] Radial Velocity (RV_EPOCH) (phys.veloc;pos.heliocentric) |
| e_RV | 4.695 | km/s | [3/21] RV uncertainty (ERRRVEPOCH) (stat.error) |
| logg | 4.13777 | [cm/s2] | [-1.1/6.42] log of surface gravity (LOGG_EPOCH) (phys.gravity) |
| e_logg | 0.113378 | [cm/s2] | [0.05/0.42] logg uncertainty (ERRLOGGEPOCH) (stat.error) |
| Teff | 6677.30420 | K | [3402/23942] Effective temperature (TEFF_EPOCH) (phys.temperature.effective) |
| e_Teff | 140.373367 | K | [58/660] Teff uncertainty (ERRTEFFEPOCH) (stat.error;phys.temperature.effective) |
| [Fe/H] | -0.34714 | [-] | [-3.7/1.7] Metallicity (FEH_EPOCH) (phys.abund.Z) |
| e_[Fe/H] | 0.149698 | [-] | [0.05/0.6] Error of [Fe/H] (ERRFEHEPOCH) (stat.error;phys.abund.Fe) |
| [a/Fe] | 0.20396 | [-] | [-0.4/0.8] Abundance [alpha/Fe] (AFE_EPOCH) (phys.abund) |
| e_[a/Fe] | 0.099140 | [-] | [0.026/0.3] Error of [alpha/Fe] (ERRAFEEPOCH) (stat.error;phys.abund) |
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