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/AJ/126/2209
  X-ray AGN from RASS and SDSS (Anderson+, 2003)
ReadMe+ftp
2003AJ....126.2209A
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/126/2209/bllacObserved and Derived Parameters of BL Lac candidates (tables 5 and 6) (45 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.
  RASS (char) RASS X-ray source name (Note 1)   
  SDSS (char) SDSS optical counterpart name (Note 1)   
  u*mag mag The SDSS u* band PSF magnitude
  g*mag mag The SDSS g* band PSF magnitude
  r*mag mag The SDSS r* band PSF magnitude
  i*mag mag The SDSS i* band PSF magnitude
  z*mag mag The SDSS z* band PSF magnitude
  OType  Optical morphology (Note 2)   
  z  (n) Redshift from the SDSS spectra
  CRate ct/s RASS 0.1-2.4keV count rate

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Exp s RASS exposure time
  HR1  RASS hardness ratio 1 (Note 3)   
  HR2  RASS hardness ratio 2 (Note 4)   
  Detect  Source detection likelihood
  FX 10-16W/m2RASS absorbed 0.1-2.4keV flux in units of 10–13erg/s/cm2
  g*0mag mag The SDSS g*0 band PSF magnitude (Note 2)   
  FXcor 10-13mW/m2RASS absorbed 0.1-2.4keV flux (Note 3)   
  logLX [10-7W] (n) Log of broadband 0.1-2.4kev X-ray luminosity in units of erg/s (Note 4)   
  LogL2500 [10-7W/Hz](n) Log of monochromatic optical luminosity at 2500 Angstroms in units of erg/s/Hz (Note 4)   
  LogL2kev [10-7W/Hz](n) Log of monochromatic X-ray luminosity at 2kev in units of erg/s/Hz (Note 4)   
  alphaox  Slope of a hypothetical power law from 2500Å to 2keV
  Com (char) Additional comments
  _RA deg (i) Position (derived from SDSS name) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position (derived from SDSS name) (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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