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/249/22
  Radial velocity variable stars from LAMOST DR4 (Tian+, 2020)
ReadMe+ftp
2020ApJS..249...22T
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.J/ApJS/249/22/catalogCatalog of radial velocity (RV) variable star candidates[timeSerie] (80702 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. ((unassigned);meta.version;arith.diff;phys.veloc)
  RAJ2000 deg (i) Right ascension (J2000) (RA) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg (i) [-9.5/87] Declination (J2000) (DEC) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  GLON deg Galactic longitude (L) ((unassigned);meta.version;arith.diff;(unassigned);meta.main)
  GLAT deg Galactic latitude (B) (XXXXXXX)
  Nep   [2/47] Number of epochs of the object (EPOCH) ((unassigned);(unassigned);(unassigned);src.var)
  Dur d [0.0075/1611] Time span of observation for the object (DURATION) ((unassigned);meta.version;arith.diff;phys.polarization.circular;stat.median)
  DeltaT d [-1603/1611] {Delta}t between epochs with max and min RV (DT) ((unassigned);(unassigned);(unassigned);obs.calib.dark;meta.main)
  dRV km/s [9.8/415] Maximum RV difference between any two epochs (DRV_MAX) (phot.flux.density;pos.parallax.trig;arith.factor;spect.index;instr.bandpass)
  dlogg [cm/s2] [-5.15/4.82] logg between epochs with max and min RV (DLOGG) ((unassigned);meta.version;arith.diff;(unassigned);instr.background)
  dTeff K [-18681/16743] {Delta}Teff between epochs with max and min RV (DTEFF) ((unassigned);(unassigned);(unassigned);em.radio;instr.background)

ALL cols		    
 (i)indexed column
  dFeH [-] [-3.3/3.8] {Delta}[Fe/H] between epochs with max and min RV (DFEH) ((unassigned);(unassigned);arith.factor;phys.reflectance;pos.lsr;arith.ratio)
  Chi2   [0.16/1095] Chi square of RVs calculated with equation 4 (CHIS) (Note 1)   (phot.color;meta.fits;arith.factor;time.resolution;meta.main)
  RV km/s [-939/777] Weighted radial velocity via equation 1 (WMRV) (Note 2)   ((unassigned);meta.version;arith.diff;spect.index;src.orbital.meanMotion;meta.main)
  e_RV km/s [3/17.1] Weighted RV error via equation 3 (WMRVERR) (Note 3)   ((unassigned);meta.version;arith.diff;time.age;meta.main)
  SpecId (char) LAMOST unique spectral ID for epoch of target (SPEC_ID) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  RVmax   [0/40] Index of RV_EPOCH responding for max RV (INDMM1) ((unassigned);meta.version;arith.diff;src.var)
  RVmin   [0/39] Index of RV_EPOCH responding for min RV (INDMM2) ((unassigned);meta.version;arith.diff;src.var)
  PV   [0.6/0.95] Probability of being a RV variable star ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
  Type (char) Variability types ((unassigned);(unassigned);(unassigned);pos.cartesian;meta.main)
  KIC  (n) Kepler identifier (see V/133) ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)
  Gaia  (n) GAIA identifier for 203 sources (see I/345) (GAIASOURCEID) ((unassigned);meta.version;arith.diff;src.class.starGalaxy)
  OName (char) VSX name (see B/vsx) for 3044 sources (VSX_NAME) ((unassigned);instr.det.psf;stat.min;phys.veloc.dispersion;€?**ucdid=0**?)
  GCVS (char) GCVS Constellation numeric code (bytes 1-2), Star Number within constellation (bytes 3-6) (see B/gcvs) (GCVSCONNUM) ((unassigned);meta.version;arith.diff;spect.line.veloc)
  ASASSN-V (char) ASAS-SN name for 2011 sources (see II/366) (ASASSN_NAME) ((unassigned);meta.version;arith.diff;src.class.starGalaxy)
  LAMOST  Display the LAMOST-DR4 data (V/153) ((unassigned);meta.version;arith.diff;pos.geocentric)
  RVc  Interactive velocity plot ((unassigned);(unassigned);(unassigned);pos.geocentric)
timeSerie

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846439701 Where phase=3 and catid=22490022
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****error getting UCD 1095223345152 1020
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR130337.err (2026-10-27T18:08:18)
-3
-source=J/ApJS/249/22/catalog
-ref=VIZ6ae0e8941fd21
elapse time 3