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

  
J/ApJS/272/1
  Periodic variable stars from LAMOST DR9 (Qiao+, 2024)
ReadMe+ftp
2024ApJS..272....1Q
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/272/1/table6*Classification results of variable stars for LAMOST DR9 based on LightGBM and XGBoost (Note) (176337 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)
  LAMOST   [101092/914316131] LAMOST DR9 source identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  ZTF  ZTF DR11 Source identifier ((unassigned);meta.version;arith.diff;src.class.starGalaxy)
  RAJ2000 deg (i) Right Ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg (i) [-9.3/87] Declination (J2000) ((unassigned);src.orbital.Tisserand;stat.min;(unassigned);arith)
  plx mas (n) [-9/52.1] Gaia DR3 parallax ((unassigned);phys.atmol.qn.F;arith.factor;em.wl.effective;meta.main)
  Per d [0.02/1000] Period, best derived period (Note 1)   ((unassigned);(unassigned);(unassigned);phys.dust;meta.main)
  Type (char) Variable source type (Note 2)   ((unassigned);(unassigned);(unassigned);pos.galactic)
  IterStd   [0.0049/2.6] Recalculated standard deviation (Note 3)   ((unassigned);meta.version;arith.diff;meta.id.PI;meta.main)
  Nobs   [50/1311] Number of observations ((unassigned);meta.version;arith.diff;src.var)
  Std   [0.007/2] Magnitude standard deviation ((unassigned);meta.version;arith.diff;meta.id.PI;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Skew (char) Skewness of light curves ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
  Kurt (char) Kurtosis of the magnitude distribution ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
  Amp   [0.015/3.1] Amplitude (Note 4)   (phot.flux.density;phys.veloc;arith.factor;pos.supergalactic.lat;meta.main)
  chi2   [0.4/29701] {chi}2 statistic ((unassigned);(unassigned);(unassigned);time.resolution;meta.main)
  Cusum   [0.027/2.22] Range of magnitude cumulative sums (Note 5)   ((unassigned);(unassigned);arith.factor;time.obs.end;meta.main)
  MAD   [0.003/1.7] Median Absolute Deviation ((unassigned);(unassigned);(unassigned);meta.id.PI;meta.main)
  sKurt   [-2.4/1341195100] Small sample kurtosis of the magnitudes ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
  Eta   [0.01/2.7] Von Neumann statistic, Kim+ (2014, J/A+A/566/A43) ((unassigned);(unassigned);arith.factor;pos.bodyrc.lon;meta.main)
  SWTest   [0.03/1] Shapiro-Wilk normality test statistics (Shapiro & Wilk 1965, doi:10.1093/biomet/52.3-4.591) ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
  KSVar   [0.2/1] Stetson K statistic (Stetson 1994PASP..106..250S) ((unassigned);meta.version;arith.diff;pos.wcs.crpix;meta.main)
  HMAR   [0.03/24.7] Half magnitude amplitude ratio (Note 6)   ((unassigned);meta.version;arith.diff;pos.supergalactic.lat;instr.param;stat.filling)
  fu1std   [0.006/0.7] Fraction of observations beyond 1 standard deviation (D'Isanto+ 2016MNRAS.457.3119D) ((unassigned);meta.version;arith.diff;pos.bodyrc.lon;meta.main)
  gskew (char) Median-of-magnitudes based measure of the skew ((unassigned);meta.version;arith.diff;pos.bodyrc.lon;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  MedBRP   [0.006/1] Fraction, photometric points within amplitude/10 of median (Note 7)   ((unassigned);(unassigned);(unassigned);pos.az.azi;time.duration;instr.param)
  f1power   [0/1] f1 power (Note 8)   ((unassigned);meta.version;arith.diff;pos.bodyrc.lon;meta.main)
  PerAmp   [0.001/0.4] Largest difference, min or max magnitude and median (Note 9)   ((unassigned);meta.version;arith.diff;phys.veloc.orbital)
  BP-RP mag (n) [-0.6/7.6] Gaia DR3 color, BP-RP ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  G-BP (char) mag Gaia DR3 color, G-BP ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  G-RP mag (n) [-0.5/4.2] Gaia DR3 color, G-RP ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  W1-W2 mag [-2.3/2.5] ALLWISE color, W1-W2 ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  W2-W3 mag (n) [-2.8/8.5] ALLWISE color, W2-W3 ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  W1-W3 mag (n) [-2.9/8.5] ALLWISE color, W1-W3 ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  J-Ks mag (n) [-1.3/3.6] 2MASS color, J-Ks ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  J-H mag (n) [-1.3/2.1] 2MASS color, J-H ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  H-Ks mag (n) [-1.9/2.6] 2MASS color, H-Ks ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  C20  (n)Display data from Chen+ 2020 within 0.5" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  DR7  (n)Display data from LAMOST DR7 LRS (V/156) if any ((unassigned);(unassigned);(unassigned);pos.geocentric)
  WISEA  Display data from AllWISE (II/328) within 3" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  2M  Display the 2MASS data (II/246) within 3" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Gaia  Display the Gaia EDR3 data (I/355) within 3" ((unassigned);(unassigned);(unassigned);pos.geocentric)

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