VizieR

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

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/156
  LAMOST DR7 catalogs (Luo+, 2019)
ReadMe+ftp
2019RAA..in.prep..L
Similar Catalogs
Post annotation 		img(gal)
1.V/156/dr7mrsLAMOST MRS General Catalog (14210021 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)
  MObsID (char) Unique ID for each medium-resolution spectrum (mobsid) (meta.id)
  sp  Display the LaMOST spectrum (meta.ref.url)
  ObsID  (i) Unique ID for each observation of each target (obsid) (meta.id)
  Target (char) (i) Target designation, JHHMMSS.ss+DDMMSS.s (designation) (meta.id;meta.main)
  Obs.Date "Y:M:D" (n)(i) Target Observation Date (obsdate) (time.epoch;obs)
  LMJD  Local Modified Julian Day (lmjd) (time.epoch)
  MJD  Modified Julian Day (mjd) (time.epoch)
  PlanId (char) Plan Name (planid) (obs.field)
  spId  Spectrograph ID (spid) (meta.id;instr)
  FiberId  Fiber ID (fiberid) (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  LMJm  (n) Local Modified Julian Minute (lmjm) (time.epoch)
  Band (char) Having two values of B and R, which represent B and R band spectra (band) (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  (n) The median value of all pixel S/Ns in B band spectrum or R band (snr) (stat.snr)
  objType (char) Object Type (objtype) (src.class)
  magType (char) Target Magnitude Type (magtype) (meta.note)
  mag1 mag (n) Magnitude in Band 1 of magType (mag1) (phot.mag)
  mag2 mag (n) Magnitude in Band 2 of magType (mag2) (phot.mag)
  mag3 mag (n) Magnitude in Band 3 of magType (mag3) (phot.mag)
  mag4 mag (n) Magnitude in Band 4 of magType (mag4) (phot.mag)
  mag5 mag (n) Magnitude in Band 5 of magType (mag5) (phot.mag)
  mag6 mag (n) Magnitude in Band 6 of magType (mag6) (phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  mag7 mag (n) Magnitude in Band 7 of magType (mag7) (phot.mag)
  tsource (char) Organization or person who submit input catalog (tsource) (meta.curation)
  FiberType (char) Fiber Type of target (Obj, Sky, F-std, Unused, PosErr, Dead) (fibertype) (meta.note)
  tfrom (char) Input catalog submitted by an organization or a person determined by the tsource (tfrom) (obs.observer)
  tcomment (char) Target ID from SDSS, UCAC4, PANSTAR and other catalogues (tcomment) (meta.note)
  offsets   [0/1] Whether there is a fiber offset during observation (offsets) (meta.note)
  offsetsv arcsec If the 'offsets' field is true, 'offsets_v' gives the offset distance from the target's coordinator in input catalog (offsets_v) (meta.note)
  RAOdeg deg Right Ascension from input catalog (ra) (pos.eq.ra)
  DEOdeg deg Declination from input catalog (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 rv_b0 measured by the method LASP used (rvb0err) (stat.error)
  RVb1 km/s (n) Radial velocity after zero-point correction of rv_b0 (rv_b1) (phys.veloc;pos.heliocentric)
  e_RVb1 km/s (n) Uncertainty of rv_b1 measured by the error propagation (rvb1err) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  f_RVb  (n) [0/3] Radial velocity flag for B band spectra (rvbflag) (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 rv_r0 measured by the method LASP used (rvr0err) (stat.error)
  RVr1 km/s (n) Radial velocity after zero-point correction of rv_r0 (rv_r1) (phys.veloc;pos.heliocentric)
  e_RVr1 km/s (n) Uncertainty of rv_r1 measured by the error propagation (rvr1err) (stat.error)
  f_RVr  (n) [0/3] Radial velocity flag for R band spectra (rvrflag) (meta.code)
  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 rv_br0 measured by the method LASP used (rvbr0err) (stat.error)
  RVbr1 km/s (n) Radial velocity after zero-point correction of rv_br0 (rv_br1) (phys.veloc;pos.heliocentric)
  e_RVbr1 km/s (n) Uncertainty of rv_br1 measured by the error propagation (rvbr1err) (stat.error)
  f_RVbr  (n) [0/3] Radial velocity flag for B and R band spectra (rvbrflag) (meta.code)
  RVlasp0 km/s (n) Radial velocity measured by the LASP (rv_lasp0) (phys.veloc;pos.heliocentric)
  e_RVlasp0 km/s (n) Uncertainty of rv_lasp0 also given by the LASP (rvlasp0err) (stat.error)
  RVlasp1 km/s (n) Radial velocity after zero-point correction of rv_lasp0 (rv_lasp1) (phys.veloc;pos.heliocentric)
  e_RVlasp1 km/s (n) Uncertainty of rv_lasp1 measured by the error propagation (rvlasp1err) (stat.error)
  coadd   [0/1] A flag to show whether it is a coadd spectrum (coadd) (meta.code)
  FiberMask  (n) [0] Possible fiber problems (fibermask) (meta.note)
  badB   [0/1] A flag to show whether the B band spectra is problematic (bad_b) (meta.code)
  badR   [0/1] A flag to show whether the R band spectra is problematic (bad_r) (meta.code)
  GaiaDR2  (n) The "source_id" field of Gaia DR2 catalog (gaiasourceid) (meta.id)
  Gmag mag (n) The "photgmean_magnitude" field of Gaia DR2 catalog (gaiagmean_mag) (phot.mag;em.opt)

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