VizieR

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CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  		 Target dimension:

Radius Box size

  
VII/258
  Quasars and Active Galactic Nuclei (13th Ed.) (Veron+ 2010)
ReadMe+ftp
2010A&A...518A..10V
Similar Catalogs
Notice the change of cosmology compared to the previous editions (Ho=71km/s/Mpc)
Post annotation 		img(gal)
1.VII/258/vv10Quasars (Mv←22.25), BL Lac and AGNs (Mv>-22.25) (Note) (168940 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)
  Cl (char) Class, as Q (quasar, Mv←22.25), B (BL Lac) and A (Active galaxy nucleus, Mv>-22.25) (src.class)
  nR (char) [*] '*' if not detected in radio (Note 1)   (meta.code)
  Name (char) Most common name of the object (meta.id)
  n_RAJ2000 (char) [AOR] Approximative/Optical/Radio position (Note 2)   (meta.note)
  RAJ2000 "h:m:s" (i) Right Ascension J2000 (see also n_RAh) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  F6cm Jy (n) 6cm (5GHz) flux (Note 5)   (phot.flux.density;em.radio.3-6GHz)
  r_F6cm  (n) [1,2701] Reference of 6cm Flux (meta.ref;pos.frame)
  F20cm Jy (n) 20cm (1.4GHz) flux (Jy) (Note 5)   (phot.flux.density;em.radio.750-1500MHz)
  r_F20cm  (n) [1,2701] Reference of 20cm flux (meta.ref;pos.frame)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  l_z (char) [>*] limit or method flag on z (Note 4)   (meta.code.error;src.redshift)
  z  (n) redshift (src.redshift)
  Sp (char) [S0-9?HPQBLbhin. ] Spectrum classification (Note 3)   (src.class)
  n_Vmag (char) [*BVRIO] Photographic(*), blue(B), visible(V), red(R), infra-red (I) or photographic O/J-plates(O) (meta.note)
  Vmag mag (n) magnitude: either V if B-V is not blank, or another band (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)
  FC  (n) [1,2701] Reference of the Finding Chart (meta.ref;pos.frame)
  r_Vmag  (n) [1,2701] Reference of the Photometry (meta.ref;pos.frame)
  r_z  (n) [1,2701] Reference of the redshift (meta.ref;pos.frame)

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