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/249/18
  The ZTF catalog of periodic variable stars (Chen+, 2020)
ReadMe+ftp
2020ApJS..249...18C
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/249/18/table2ZTF variables catalog (781602 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)
  ID (char) (i) ZTF variables catalog identifier (meta.id;meta.main)
  Seq   [1/781604] Internal source identifier (meta.id)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  Per d [0.03/973.5] Period (time.period)
  R21   [0/71] Amplitude ratio (a2/a1) (phot.mag;arith.ratio)
  phi21   [3.14/9.5] Phase difference (φ2-2*φ1) (time;arith.diff)
  T0 d (i) HJD of minimum; HJD-2400000.5 (time.epoch)
  gmag mag (n) [11.7/22] Mean Palomar/ZTF g band magnitude (phot.mag;em.opt.B)
  rmag mag (n) [11.2/21.4] Mean Palomar/ZTF r band magnitude (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Per-g d (n) [0.02/18340] Period determined in g band (time.period)
  Per-r d (n) [0.02/13242] Period determined in r band (time.period)
  Ng   [0/2084] Number of detections in g band (meta.number)
  Nr   [0/3300] Number of detections in r band (meta.number)
  R21-g   [0/96] Ratio of a2/a1 in g band (phot.mag;arith.ratio)
  R21-r   [0/71] Ratio of a2/a1 in r band (phot.mag;arith.ratio)
  phi21-g   [0/9.5] The φ2-2*φ1 in g band (time;arith.diff)
  phi21-r   [0/9.5] The φ2-2*φ1 in r band (time;arith.diff)
  R2-g   [-0.96/1] R-square in g band (stat.fit.param)
  R2-r   [-0.05/1] R-square in r band (stat.fit.param)
  gAmp mag (n) [0.006/8.11] Amplitude in g band (phot.mag;arith.ratio)
  rAmp mag (n) [0.01/7] Amplitude in r band (phot.mag;arith.ratio)
  log(FAP-g) [-] [-226.2/0] False alarm probability in g band (stat.fit.goodness)
  log(FAP-r) [-] [-223.2/0] False alarm probability in r band (stat.fit.goodness)
  Type (char) Variable type (Note 1)   (src.class)
  Dmin-g mag [0/2.5] Minimum difference in g band (phot.mag;arith.diff)
  Dmin-r mag [0/2.6] Minimum difference in r band (phot.mag;arith.diff)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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