VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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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/414/487
  Optically bright AGN in ROSAT-FSC (Veron-Cetty+, 2004)
ReadMe+ftp
2004A&A...414..487V
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/414/487/table2(c)List of the 185 galaxy candidates (185 rows)
2.J/A+A/414/487/table3(c)List of the 76 known AGN brighter than O(USNO)=16.5, located within 35" of a ROSAT-FSC source (76 rows)
3.J/A+A/414/487/table4(c)List of 103 QSO candidates identified with a ROSAT-FSC source and located in zone IVa. (103 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)RAJ2000 "h:m:s" (i) Optical right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Optical declination (J2000) (pos.eq.dec;meta.main)
   (ALL)Sep arcsec Separation between the ROSAT and USNO positions (pos;arith.diff)
   (ALL)Xcr ct/s X-ray count rate (phot.count;em.X-ray)
  (1)logLX [10-7W] (n) 0.1-2.4keV X-ray luminosity (phys.luminosity;em.X-ray)
   (ALL)O(USNO) mag (n) USNO O magnitude (phot.mag;em.opt.B)
   (ALL)O(APS) mag (n) APS O magnitude (phot.mag;em.opt.B)
   (ALL)z  (n) Redshift (src.redshift)
  (1)Class (char) Classificiation (Note 1)   (meta.code.class)
  (1)Obs (char) [1,2 ] Observations code (Note 2)   (meta.code;obs)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Name (char) Name (meta.id)
  (2+3)O-E mag (n) APS O-E colour index (phot.color;em.opt.B;em.opt.R)
  (2+3)OMAG mag (n) Absolute magnitude, computed by using the O(USNO) magnitude (H0=50km/s/Mpc) (phys.magAbs)
  (2+3)Type (char) Classificiation (Note 1)   (src.class)
  (2+3)Obs  (n) [1/2] Observations code, in table4.dat only (Note 2)   (meta.code;obs)

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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