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

  
J/MNRAS/509/2674
  White dwarfs in LAMOST DR5 (Guo+, 2022)
ReadMe+ftp
2022MNRAS.509.2674G
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/509/2674/table3(c)Basic parameters of WDs from LAMOST DR 3, 4, 5 (3517 rows)
2.J/MNRAS/509/2674/table4(c)Determined WD parameters and Gaia DR2 parameters (3517 rows)
3.J/MNRAS/509/2674/table5(c)Updated types for White dwarfs identified in LAMOST DR1&2 (87 rows)
4.J/MNRAS/509/2674/table6(c)Updated parameters for DA White dwarfs identified in LAMOST DR1&2 (892 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+2)GroupID  Group identifier number (GroupID) (meta.id.parent)
  (1+2)Size  Number of available spectra (GroupSize) (meta.number)
   (ALL)ObsID  Observation ID unique for each spectrum (obsid) (meta.id;obs)
   (ALL)Spectrum (char) Display the LAMOST spectrum (meta.ref.url)
  (1+3+4)Name (char) Object name designation as JHHMMSS.SS±DDMMSS.S (designation) (Note G1)   (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right ascension (ra_obs) (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (dec_obs) (J2000) (pos.eq.dec;meta.main)
  (1+3+4)Date "Y:M:D" (n)Target observation date (obsdate) (time.epoch;obs)
  (1+3+4)LMJD d Local modified Julian Day (lmjd) (time.epoch;pos.lg;pos.lsr)
  (1+3+4)PlanID (char) Plan ID (planid) (obs.field)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+3+4)SpID  Spectrograph ID (spid) (meta.id;instr)
  (1+3+4)FiberID  Fiber ID (fiberid) (meta.id)
   (ALL)FileName (char) Unique ID for each LAMOST spectrum fits name (fits) (meta.id)
  (1+2)SpType (char) Classification of spectral types (type) (src.spType)
  (1+3+4)S/Nu  Signal to Noise ratio in u band (snru) (stat.snr)
   (ALL)S/Ng  Signal to Noise ratio in g band (snrg) (stat.snr)
  (1+3+4)S/Nr  Signal to Noise ratio in r band (snrr) (stat.snr)
  (1+3+4)S/Ni  Signal to Noise ratio in i band (snri) (stat.snr)
  (1+3+4)S/Nz  Signal to Noise ratio in z band (snrz) (stat.snr)
  (1+3+4)Type (char) Object type by Pipeline (objtype) (src.class)
  (1+3+4)Class (char) Spectra type by Pipeline (class) (src.class)
  (1+3+4)SubClass (char) Stellar sub-class by Pipeline (subclass) (src.class)
  (1+3+4)z  (n) Spectroscopic redshift (z) (src.redshift)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+3+4)e_z  (n) []? Mean error on z (z_err) (stat.error;src.redshift)
  (1+3+4)MagType1 (char) Target Magnitude type 1 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)MagType2 (char) Target Magnitude type 2 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)MagType3 (char) Target Magnitude type 3 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)MagType4 (char) Target Magnitude type 4 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)MagType5 (char) Target Magnitude type 5 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)MagType6 (char) Target Magnitude type 6 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)MagType7 (char) Target Magnitude type 7 available (magtype) (Note G2)   (meta.code;instr.filter)
  (1+3+4)mag1 mag (n) Apparent magnitude in the band 1 (mag1) (phot.mag)
  (1+3+4)mag2 mag (n) Apparent magnitude in the band 2 (mag2) (phot.mag)
  (1+3+4)mag3 mag (n) Apparent magnitude in the band 3 (mag3) (phot.mag)
  (1+3+4)mag4 mag (n) Apparent magnitude in the band 4 (mag4) (phot.mag)
  (1+3+4)mag5 mag (n) Apparent magnitude in the band 5 (mag5) (phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+3+4)mag6 mag (n) Apparent magnitude in the band 6 (mag6) (phot.mag)
  (1+3+4)mag7 mag (n) Apparent magnitude in the band 7 (mag7) (phot.mag)
  (2+4)Teff K (n) Effective temperature (teff) (phys.temperature.effective)
  (2+4)e_Teff K (n) Mean uncertainty of Teff (e_teff) (stat.error;phys.temperature.effective)
  (2+4)logg [cm/s2] (n) Surface gravity (logg) (phys.gravity)
  (2+4)e_logg [cm/s2] (n) Mean uncertainty of logg (e_logg) (stat.error)
  (2+4)M* Msun (n) Estimated mass (mass) (phys.mass)
  (2+4)e_M* Msun (n) Mean uncertainty of M* (e_mass) (stat.error)
  (2+4)tcool yr (n) White dwarf cooling age (age) (time.age)
  (2+4)e_tcool yr (n) Mean uncertainty of tcool (e_age) (stat.error)
  (2)Plx mas (n) Absolute stellar parallax from Gaia DR2 (parallax) (pos.parallax)
  (2)e_Plx mas (n) Mean uncertainty of Plx from Gaia DR2 (parallax_error) (stat.error;pos.parallax)
  (2)pmRA mas/yr (n) Proper motion in right ascension direction pmRA*cosDE from Gaia DR2 (pmra) (pos.pm;pos.eq.ra)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_pmRA mas/yr (n) Mean uncertainty of pmRA (pmra_error) (stat.error;pos.pm;pos.eq.ra)
  (2)pmDE mas/yr (n) Proper motion in declination direction pmdec from Gaia DR2 (pmdec) (pos.pm;pos.eq.dec)
  (2)e_pmDE mas/yr (n) Mean uncertainty of pmDE (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
  (2)Gmag mag (n) G-band mean magnitude (Vega) (photgmean_mag) (phot.mag;em.opt)
  (3+4)MJD d Modified Julian date (mjd) (time.epoch)
  (3)NType (char) New updated types (type) (src.class)
  (4)BP-RP  Colour BPmag-RPmag from Gaia DR2 (photBpMeanMag-photRMeanMag) (bp_rp) (phot.color;em.opt.B;em.opt.R)

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