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/A+A/466/31
  The HELLAS2XMM survey. VIII (Cocchia+, 2007)
ReadMe+ftp
2007A&A...466...31C
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/466/31/table1The HELLAS2XMM second-source sample (125 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)
  H2XMM (char) Source identification (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
  f_H2XMM (char) [agl] Note on H2XMM (Note 1)   (meta.code)
  RAJ2000 "h:m:s" (i) X-ray right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) X-ray declination (J2000) (pos.eq.dec;meta.main)
  RAo "h:m:s" (n) Optical (R band) right ascension (J2000) (pos.eq.ra)
  DEo "d:m:s" (n) Optical (R band) declination (J2000) (pos.eq.dec)
  Off-axis arcmin (n) Off-axis angle (instr.offset)
  Diff arcsec (n) Separation between X-ray and optical positions (pos.angDistance)
  Prob  (n) Probability of coincidence (stat.probability)
  FX 10-17W/m2(n) 2-10keV flux (10-14erg/cm2/s) (phot.flux;em.X-ray)
  Rmag mag (n) R magnitude (phot.mag;em.opt.R)
  Class (char) Classification of the optical spectrum (Note 2)   (src.class)
  n_Class (char) [bcdef] Note on Class (Note 1)   (meta.note)
  z  (n) Redshift (src.redshift)
  n_z (char) [gh] Note on redshift (Note 1)   (meta.note)
  logLX [10-7W] (n) 2-10keV luminosity (phys.luminosity;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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