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:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
V/162
  LAMOST DR11 catalogs (Luo+, 2026)
ReadMe+ftp
2026RAA..in.prep..L
Similar Catalogs
Post annotation 		img(gal)
1.V/162/dr11mLAMOST MRS General Catalog (original column names in green) (46953010 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  sp  Display the LAMOST spectrum (meta.ref.url)
  MObsID (char) Unique ID for each medium-resolution spectrum in each exposure (mobsid) (meta.id)
  ObsID  (i) [588902003/1127016250] Unique spectrum ID for each observation of each target (obsid) (meta.id)
  uID (char) (i) Unique source identifier calculated with the "uRA" and "uDE" in table dr11mem (uid) (meta.id;meta.main)
  gpID  Source identifier in the survey of origin (gp_id) (Note G1)   (meta.id)
  Target (char) (i) Target designation, JHHMMSS.ss+DDMMSS.s (designation) (meta.id)
  Obs.Date "Y:M:D" (n)(i) Target observation date (obsdate) (time.epoch;obs)
  LMJD d [58025/60105] Local modified Julian day (lmjd) (time.epoch)
  MJD d [58024/60104] Modified Julian day (mjd) (time.epoch)
  PlanID (char) Plan name (planid) (obs.field)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  spID   [1/16] Spectrograph ID (spid) (meta.id;instr)
  FiberID   [1/250] Fiber ID (fiberid) (meta.id)
  LMJM m (n) [83555758/86551227] Local modified Julian minute (lmjm) (time.epoch)
  Band (char) Having two values of B and R, which represent B and R band spectra (band) (Note 1)   (instr.bandpass)
  RAJ2000 deg (i) Fiber Pointing Right Ascension (J2000) (ra_obs) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Fiber Pointing Declination (J2000) (dec_obs) (pos.eq.dec;meta.main)
  snr   [0/999] The median value of all pixel S/Ns in B band spectrum or R band (snr) (stat.snr)
  GaiaDR3  (n) Gaia DR3 (I/355) source identifier (gaia_source_id) (meta.id)
  Gmag mag (n) Mean G band magnitude from the Gaia DR3 (I/355) catalog (gaia_g_mean_mag) (phot.mag;em.opt)
  BPmag mag (n) [2.9/24.2] Mean BP magnitude from the Gaia DR3 (I/355) catalog (gaia_bp_mean_mag) (phot.mag;em.opt.B)
  RPmag mag (n) [1.7/22.8] Mean RP magnitude from the Gaia DR3 (I/355) catalog (gaia_rp_mean_mag) (phot.mag;em.opt.R)
  FiberType (char) Fiber Type of target (fibertype) (Note 2)   (meta.note)
  offsets   [0/1] Whether there is a fiber offset during observation (0=No, 1=Yes) (offsets) (Note 3)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  offsetsv arcsec [0/3.64] If the "offsets" field is true, "offsetsv" gives the offset distance from the target's coordinator in input catalog (table dr11im) (offsets_v) (pos;arith.diff)
  RAOdeg deg Right Ascension from input catalog (table dr11im) (ra) (pos.eq.ra)
  DEOdeg deg Declination from input catalog (table dr11im) (dec) (pos.eq.dec)
  RVb0 km/s (n) Radial velocity of B band spectra measured with 483 selected KURUCZ synthetic templates (rv_b0) (phys.veloc;pos.heliocentric)
  e_RVb0 km/s (n) Uncertainty of RVb0 measured by the method LASP used (rv_b0_err) (stat.error)
  RVb1 km/s (n) Radial velocity after zero-point correction of RVb0 (rv_b1) (phys.veloc;pos.heliocentric)
  e_RVb1 km/s (n) Uncertainty of RVb1 measured by the error propagation (rv_b1_err) (stat.error)
  fRVb  (n) Radial velocity flag for B band spectra (rv_b_flag) (Note 8)   (meta.code)
  RVr0 km/s (n) Radial velocity of R band spectra measured with 483 selected KURUCZ synthetic templates (rv_r0) (phys.veloc;pos.heliocentric)
  e_RVr0 km/s (n) Uncertainty of RVr0 measured by the method LASP used (rv_r0_err) (stat.error)
  RVr1 km/s (n) Radial velocity after zero-point correction of RVr0 (rv_r1) (phys.veloc;pos.heliocentric)
  e_RVr1 km/s (n) Uncertainty of RVr1 measured by the error propagation (rv_r1_err) (stat.error)
  fRVr  (n) Radial velocity flag for R band spectra (rv_r_flag) (Note 8)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  RVbr0 km/s (n) Radial velocity of B and R band spectra measured with 483 selected KURUCZ synthetic templates (rv_br0) (phys.veloc;pos.heliocentric)
  e_RVbr0 km/s (n) Uncertainty of RVbr0 measured by the method LASP used (rv_br0_err) (stat.error)
  RVbr1 km/s (n) Radial velocity after zero-point correction of RVbr0 (rv_br1) (phys.veloc;pos.heliocentric)
  e_RVbr1 km/s (n) Uncertainty of RVbr1 measured by the error propagation (rv_br1_err) (stat.error)
  fRVbr  (n) Radial velocity flag for B and R band spectra (rv_br_flag) (Note 8)   (meta.code)
  RVlasp0 km/s (n) Radial velocity measured by LASP (rv_lasp0) (phys.veloc;pos.heliocentric)
  e_RVlasp0 km/s (n) Uncertainty of RVlasp0 also given by the LASP used (rv_lasp0_err) (stat.error)
  RVlasp1 km/s (n) Radial velocity after zero-point correction of RVlasp0 (rv_lasp1) (phys.veloc;pos.heliocentric)
  e_RVlasp1 km/s (n) Uncertainty of RVlasp1 measured by the error propagation (rv_lasp1_err) (stat.error)
  coadd   [0/1] A flag to show whether it is a coadd spectrum (0=No, 1=Yes) (coadd) (Note 7)   (meta.code)
  FiberMask  (n) Possible fiber problems (fibermask) (Note 4)   (meta.note)
  badB   [0] A flag to show whether the B band spectra is problematic (0=No, 1=Yes) (bad_b) (meta.code)
  badR   [0] A flag to show whether the B band spectra is problematic (0=No, 1=Yes) (bad_r) (meta.code)
  SepMoon deg [10.2/173.2] Angular distance of each target to the moon (moon_angle) (pos.angDistance)
  DateMoon   [7/24] The date of Chinese lunar calendar, which represents the moon phase (Note 5)   (pos.lunar.occult)
  f_SepMoon   [0/1] Flag on SepMoon (Note 6)   (meta.code)
  subproj (char) The sub-project names of LAMOST Medium-Resolution Spectroscopic Survey (meta.id)
  nLRS (char) Number of Low Resolution Spectra for this target (link to table dr11l) (meta.number)

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