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J/ApJS/249/22/catalog Radial velocity variable stars from LAMOST DR4 (Tian+, 2020)
Catalog of radial velocity (RV) variable star candidates
timeSerie
(80702 rows)
  recno=50679
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ColumnValue  Explain   (UCD)
_RAJ200001 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)
_RAB195001 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)
_Glon137.055552399 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)

RAJ2000029.4418942 deg (i) Right ascension (J2000) (RA) (pos.eq.ra;meta.main)
DEJ2000+38.0745659 deg (i) [-9.5/87] Declination (J2000) (DEC) (pos.eq.dec;meta.main)
GLON137.0555444 deg Galactic longitude (L) (pos.galactic.lon)
GLAT-22.9711587 deg Galactic latitude (B) (pos.galactic.lat)
Nep 2   [2/47] Number of epochs of the object (EPOCH) (meta.number)
Dur 298.17673 d [0.0075/1611] Time span of observation for the object (DURATION) (obs.param;obs)
DeltaT -298.17673   [-1603/1611] Δt between epochs with max and min RV (DT) (time.interval)
dRV 33.47500 km/s [9.8/415] Maximum RV difference between any two epochs (DRV_MAX) (phys.veloc;arith.diff)
dlogg 0.08291 [cm/s2] [-5.15/4.82] logg between epochs with max and min RV (DLOGG) (phys.gravity;arith.diff)
dTeff 103.52051 K [-18681/16743] ΔTeff between epochs with max and min RV (DTEFF) (phys.temperature.effective;arith.diff)
dFeH 0.12789 [-] [-3.3/3.8] Δ[Fe/H] between epochs with max and min RV (DFEH) (phys.abund.Fe;stat.min;stat.max)
Chi2 11.16006   [0.16/1095] Chi square of RVs calculated with equation 4 (CHIS) (Note 1)   (stat.fit.chi2)
RV 63.1 km/s [-939/777] Weighted radial velocity via equation 1 (WMRV) (Note 2)   (phys.veloc;stat.mean)
e_RV 4.963 km/s [3/17.1] Weighted RV error via equation 3 (WMRVERR) (Note 3)   (stat.error)
SpecId20121226-NGC752_1-09-158  LAMOST unique spectral ID for epoch of target (SPEC_ID) (meta.id;meta.main)
RVmax 0   [0/40] Index of RV_EPOCH responding for max RV (INDMM1) (meta.number)
RVmin 1   [0/39] Index of RV_EPOCH responding for min RV (INDMM2) (meta.number)
PV 0.944   [0.6/0.95] Probability of being a RV variable star (stat.fit.goodness)
Type;;;;;EA/RS;EA ;VAR  Variability types (src.var)
KIC    Kepler identifier (see V/133) (meta.id.cross)
Gaia    GAIA identifier for 203 sources (see I/345) (GAIASOURCEID) (meta.id.cross)
ONameDS And  VSX name (see B/vsx) for 3044 sources (VSX_NAME) (meta.ref;pos.frame)
GCVS010141  GCVS Constellation numeric code (bytes 1-2), Star Number within constellation (bytes 3-6) (see B/gcvs) (GCVSCONNUM) (meta.id)
ASASSN-VJ015745.95+380428.2  ASAS-SN name for 2011 sources (see II/366) (ASASSN_NAME) (meta.id.cross)

LAMOSTLAMOST  Display the LAMOST-DR4 data (V/153) (meta.ref.url)
RVcVP  Interactive velocity plot (meta.ref.url)
  
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