VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR . Beijing (Ch) VizieR . Hawai VizieR

Catalog Selection Page

Looking for catalogs ..
Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

Radius Box size

  
J/ApJ/643/238
 Chandra/2MASS sources in Cygnus OB2 (Butt+, 2006)
Post annotation
img(gal)
1.J/ApJ/643/238/table1Detected sources in Cyg OB2 (240 rows)

 
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)
  [BDB2006]  Running X-ray identification number (meta.id;meta.main)
  RAJ2000 "h:m:s" Chandra Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Chandra Degree of Declination (J2000) (pos.eq.dec;meta.main)
  SNR  Signal-to-noise of source (stat.snr)
  HR  Hardness ratio (Note 1)   (phot.flux;arith.ratio)
  Ct ct Source counts from ACIS-I (phot.count;em.X-ray)
  RA2 "h:m:s" (n) 2MASS Hour of Right Ascension (J2000) (pos.eq.ra)
  DE2 "d:m:s" (n) 2MASS Degree of Declination (J2000) (pos.eq.dec)
  2MASS  Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column  
Adapt form
Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 0

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© UDS/CNRS

Contact