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/ApJ/842/87
  Radio luminosity function of FSRQs (Mao+, 2017)
ReadMe+ftp
2017ApJ...842...87M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/842/87/table2(c)Complete data for the radio-flux-limited sample of flat spectrum sources (242 rows)
2.J/ApJ/842/87/table3(c)Sources with unknown classification predicted to be flat-spectrum radio quasars (FSRQs) (12 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)FIRST (char) FIRST identifier (JHHMMSS.s+DDMMSS) (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)GB6 (char) GB6 identifier (JHHMM+DDMMA) (Note 1)   (time.scale;(unassigned);arith.grad;spect.line.veloc)
  (1)RAJ2000 deg Right ascension, decimal degrees (J2000) ((unassigned);(unassigned);arith.grad;(unassigned);arith)
  (1)DEJ2000 deg Declination, decimal degrees (J2000) ((unassigned);instr.background;stat.min;(unassigned);arith)
  (1)zspec  (n) [0.04/5.3] Spectroscopic redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (1)Class (char) Source Classification (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sweight;meta.main)
  (1)Clean (char) Clean identification (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (1)alpha   [-1.2/0.5] SED slope ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
   (ALL)Fint mJy [220/6599] Integrated flux at 1.4GHz ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
   (ALL)Sloan (char) Display the online SDSS data for the nearest object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1)NED (char) ask the NED data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (2)z   [0.7/1.8] Redshift (Note 1)   ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (2)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)_RA deg Positions from FIRST names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2)_DE deg Positions from FIRST names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846434584 Where phase=3 and catid=18420087
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846434584 Where phase=3 and catid=18420087
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR81956.err (2026-10-27T16:43:02)
-3
-source=J/ApJ/842/87
-ref=VIZ6ae0d49714024
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