CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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

  Optically bright AGN in ROSAT-FSC (Veron-Cetty+, 2004)
Post annotation
1.J/A+A/414/487/table4List of 103 QSO candidates identified with a ROSAT-FSC source and located in zone IVa. (103 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)
  RAJ2000 "h:m:s" (i) USNO right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) USNO declination (J2000) (pos.eq.dec;meta.main)
  Sep arcsec Separation between the ROSAT and USNO positions (pos.angDistance)
  Xcr ct/s X-ray count rate (phot.count;em.X-ray)
  O(USNO) mag (n) USNO O magnitude (phot.mag;em.opt.B)
  O(APS) mag (n) APS O magnitude (phot.mag;em.opt.B)
  O-E mag (n) APS O-E colour index (phot.color;em.opt.B;em.opt.R)
  z  (n) Redshift (src.redshift)
  OMAG mag (n) Absolute magnitude, computed by using the O(USNO) magnitude (H0=50km/s/Mpc) (phys.magAbs)
  Type (char) Classificiation (Note 1)   (src.class)
  Obs  (n) [1/2] Observations code, in table4.dat only (Note 2)   (meta.code;obs)
  Name (char) Name (

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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