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

  
J/ApJS/242/4
  Two new catalogs of blazar candidates (D'Abrusco+, 2019)
ReadMe+ftp
2019ApJS..242....4D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/242/4/table5KDEBLLACS catalog (5580 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)
  WISE (char) AllWISE name (meta.id;meta.main)
  RAJ2000 deg (i) Right Ascension of AllWISE source (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination of AllWISE source (J2000) (pos.eq.dec;meta.main)
  W1-W2 mag W1-W2 AllWISE color index (phot.color;em.IR;em.IR)
  W2-W3 mag W2-W3 AllWISE color index (phot.color;em.IR;em.IR)
  Radio (char) Name of the radio counterpart (NVSS, FIRST or SUMSS) (meta.id)
  S mJy Radio flux density (Note G1)   (phot.flux.density;em.radio)
  q12  Radio-loudness parameter q12 (q12=log(S12um/Sradio) (phot.flux;arith.ratio)
  Rcat  (n)Cross-match with NVSS (VIII/65), SUMSS (VIII/81) and FIRST (VIII/90) within 10.5" (meta.ref.url)

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