VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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VII/224
  Quasars and Active Galactic Nuclei (10th Ed.) (Veron+ 2001)
This catalogue is obsoleted by VII/235
Post annotation
img(gal)
1.VII/224/table1(c)Quasars (brighter than absolute magnitude -23) (23760 rows)
2.VII/224/table2(c)Confirmed, probable or possible BL Lac objects (608 rows)
3.VII/224/table3(c)Active galaxies (fainter than -23) (5751 rows)
4.VII/224/table4(c)Rejected quasars (71 rows)
5.VII/224/refsReferences to tables 1 to 4 (4468 rows)

 
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)
  (1+2+3+4)notRadio (char) [*] '*' if not detected in radio (Note 1)   (meta.code)
  (1+2+3+4)Name (char) Most common name of the object (meta.id)
  (1+2+3+4)RAJ2000 "h:m:s" (i) Right Ascension J2000 (hours) (see also n_RAh) (pos.eq.ra;meta.main)
  (1+2+3+4)DEJ2000 "d:m:s" (i) Declination J2000 (degrees) (pos.eq.dec;meta.main)
  (1+2+3+4)n_RAh (char) [AOR] Approximative/Optical/Radio position (Note 2)   (meta.note)
  (1+2+3)F6cm Jy (n) 6cm (5GHz) flux (phot.flux.density;em.radio.3-6GHz)
   (1+2+3)r_F6cm  (n) [1,2173] Reference of 6cm Flux (meta.ref)
  (1+2+3)F11cm Jy (n) 11cm (2.7GHz) flux (Jy) (phot.flux.density;em.radio)
   (1+2+3)r_F11cm  (n) [1,2173] Reference of 11cm flux (meta.ref)
  (1+2+3)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
  (1+2+3+4)z  (n) redshift (src.redshift)
  (1+2+3+4)Sp (char) [S0-9?HPBLbhin. ] Spectrum classification (Note 3)   (src.spType)
  (1+2+3+4)n_Vmag (char) [*RIO] Photographic(*), red(R), infra-red (I) or photographic O- or J- plates(O) (meta.note)
  (1+2+3+4)Vmag mag (n) magnitude, V or other (see n_Vmag) (phot.mag;em.opt.V)
  (1+2+3+4)B-V mag (n) colour index (phot.color;em.opt.B;em.opt.V)
  (1+2+3+4)U-B mag (n) colour index (phot.color;em.opt.U;em.opt.B)
  (1+2+3)Mabs mag (n) Absolute magnitude (phys.magAbs;em.opt)
  (1+2+3+4)FC  (n) [1,2173] Reference of the Finding Chart (meta.ref)
   (1+2+3+4)r_Vmag  (n) [1,2173] Reference of the Photometry (meta.ref)
   (1+2+3)r_z  (n) [1,2173] Reference of the redshift (meta.ref)
  (4)n_z (char) [*] '*' for z measured by slitless spectroscopy (meta.note)
  (4)r_Sp  (n) [1,2173] Reference of Sp (meta.ref)
  (4)Sp2 (char) [QG*? ] New classification (src.spType)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)r_Sp2  (n) [1,2173] Reference of New classification (meta.ref)
  (5)RefCode   [1,2173] Reference Number (meta.ref)
  (5)Text (char) Text of reference (may be on several lines); the last line is the "bibcode" (Note)   (meta.note)

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