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/194/27
  Variable stars in Cygnus OB2 (Henderson+, 2011)
ReadMe+ftp
2011ApJS..194...27H
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/194/27/table2Parameters of the 121 variable stars identified in this study (121 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)
  ID  Variable identification (<[HSP2011] NNN> in Simbad) ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  Type (char) Variable type (Note 3)   ((unassigned);(unassigned);(unassigned);pos.eq.dec;pos.cartesian;meta.main)
  u_Per (char) [~] Uncertainty flag on Per ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  Per d (n) Period ((unassigned);(unassigned);(unassigned);phys.dust;meta.main)
  f_Per (char) [i] i: Irregular period ((unassigned);meta.unit;arith.factor;pos.eq.dec)
  Ramp mag R-band peak-to-peak amplitude ((unassigned);(unassigned);(unassigned);pos.supergalactic.lat;(unassigned);(unassigned))
  2MASS (char) 2MASS identification (HHMMSSss+DDMMSSs) ((unassigned);meta.version;arith.diff;src.class.starGalaxy)
  Rcmag mag Mean Cousins R-band magnitude ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  Icmag mag Mean Cousins I-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Jmag mag (n) 2MASS J-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Hmag mag (n) 2MASS H-band magnitude ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  Ksmag mag (n) 2MASS Ks-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  X (char) [YNO] Chandra X-ray match (Note 1)   (pos.cylindrical;phys.mol;arith.grad;pos.eq.dec)
  Xv (char) [CVP] X-ray variability (Note 2)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion)
  RAJ2000 "h:m:s" Hour of right ascension (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Degree of declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846522760 Where phase=3 and catid=21940027
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2898675.err (2026-10-28T17:12:38)
-3
-source=J/ApJS/194/27
-ref=VIZ6ae22d072c3af3
elapse time 2