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/129/2542
  BL Lac from SDSS (Collinge+, 2005)
ReadMe+ftp
2005AJ....129.2542C
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/129/2542/table5Potential radio-weak BL Lac candidates (27 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  SDSS (char) SDSS designation (JHHMMSS.ss+DDMMSS.s) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  n_SDSS (char) [*] *: SDSS data using DR2 reductions were not available for the object (Note G1)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Morph (char) [pr] Optical morphology (Note G2)   ((unassigned);phys.veloc.orbital;arith.diff;phys.luminosity.fun;meta.main)
  l_z (char) [>= ] Limit flag on z ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.parallax;meta.main)
  z  (n) Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  u_z (char) [?] Uncertainty flag on z ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon;pos.parallax;meta.main)
  pm mas/yr (n) Proper motion ((unassigned);(unassigned);(unassigned);instr.offset;meta.main)
  u_pm (char) [?] Uncertainty flag on pm ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  l_alphaOX (char) Limit flag on alphaOX ((unassigned);(unassigned);arith.factor;pos.galactic.lon)
  alphaOX  Spectral index between optical and X-ray ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  l_alphaRO (char) Limit flag on alphaRO ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  alphaRO  (n) Spectral index between radio and optical ((unassigned);phys.veloc.orbital;arith.diff;phys.abund.Y;meta.main)
  l_logL5GHz (char) Limit flag on logL5GHz ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  logL5GHz [10-7W/Hz](n) Luminosity at 5GHz ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  SDSSdata  Display the SDSS data for this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  _RA deg Position derived from SDSS name (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Position derived from SDSS name (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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