VizieR

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

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

  
VII/235
  Quasars and Active Galactic Nuclei (11th Ed.) (Veron+, 2003)
ReadMe+ftp
2003A&A...412..399V
Similar Catalogs
This catalogue is obsoleted by VII/248
Post annotation 		img(gal)
1.VII/235/table2Confirmed, probable or possible BL Lac objects (876 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)
  notRadio (char) [*] '*' if not detected in radio (Note 1)   (meta.code)
  Name (char) Most common name of the object (meta.id)
  RAJ2000 "h:m:s" (i) Right Ascension J2000 (hours) (see also n_RAh) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination J2000 (degrees) (pos.eq.dec;meta.main)
  n_RAh (char) [AOR] Approximative/Optical/Radio position (Note 2)   (meta.note)
  F6cm Jy (n) 6cm (5GHz) flux (phot.flux.density;em.radio.3-6GHz)
  r_F6cm  (n) [1,2377] Reference of 6cm Flux (meta.ref)
  F11cm Jy (n) 11cm (2.7GHz) flux (Jy) (phot.flux.density;em.radio.1500-3000MHz)
  r_F11cm  (n) [1,2377] Reference of 11cm flux (meta.ref)
  l_z (char) [>*] limit or method flag on z (Note 4)   (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  z  (n) redshift (src.redshift)
  Sp (char) [S0-9?HPBLbhin. ] Spectrum classification (Note 3)   (src.spType)
  n_Vmag (char) [*RIO] Photographic(*), red(R), infra-red (I) or photographic O- or J- plates(O) (meta.note)
  Vmag mag (n) magnitude, V or other (see n_Vmag) (phot.mag;em.opt.V)
  B-V mag (n) colour index (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) colour index (phot.color;em.opt.U;em.opt.B)
  Mabs mag (n) Absolute magnitude (phys.magAbs;em.opt)
  FC  (n) [1,2377] Reference of the Finding Chart (meta.ref)
  r_Vmag  (n) [1,2377] Reference of the Photometry (meta.ref)
  r_z  (n) [1,2377] Reference of the redshift (meta.ref)

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