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/ApJ/943/167
  FSRQs & BL Lac objects from 4FGL blazar candidates (Kaur+, 2023)
ReadMe+ftp
2023ApJ...943..167K
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/943/167/table1(c)The 1098 sources used for training data containing BL Lacs and Flat Spectrum Radio Quasars (1098 rows)
2.J/ApJ/943/167/sample(c)Source sample from Kerby+ 2021, J/ApJ/923/75: blazar candidates (Table 2) and association results based on the neural network probabilities (Table 3) (113 rows)
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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)
  (1)Type (char) Source type ("BL Lacs" or "FSRQ") ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sweight;meta.main)
   (ALL)4FGL (char) Fermi 4FGL catalog identifier (JHHMM.m+DDMM) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
   (ALL)logFg [mW/m2] [-12.16/-9] Log Gamma-ray flux; erg/s/cm2 ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
   (ALL)Gamma   [1.45/3.1] The Gamma-ray photon index ((unassigned);phys.veloc.orbital;arith.diff;phys.abund.Y;meta.main)
   (ALL)Var   [-4/1.61] Year-over-year Gamma-ray variability index ((unassigned);phys.veloc.orbital;arith.diff;pos.wcs.crpix;meta.main)
   (ALL)Curve   [0.27/4.9] Significance of the curvature in Gamma-ray spectrum ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
   (ALL)logFX/Fg [-] [-2.76/1.27] Log X-ray to Gamma-ray flux ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned);(unassigned))
   (ALL)logFV/Fg [-] [-7.44/-2.66] Log V band to Gamma-ray flux ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned);(unassigned))
   (ALL)W1-W2 mag [0.05/1.51] WISE (W1-W2) color index ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
   (ALL)W2-W3 mag [0.7/5.26] WISE (W2-W3) color index ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))

ALL cols		    
 (i)indexed column
   (ALL)Simbad (char) ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
   (ALL)NED (char) ask the NED data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
   (ALL)_RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)_DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2)SwXF4 (char) Swift/XRT SwXF4 identifier (JHHMMSS.s+DDMMSS) ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)
  (2)SwUVF4 (char) Swift/UVOT SwUVF4 identifier (JHHMMSS.s+DDMMSS) ((unassigned);obs.atmos.extinction;arith.factor;src.class.color)
  (2)RType (char) Result type code (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic)
  (2)f_4FGL (char) [b] Flag on 4FGL (Note 2)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)Pfsrq  (n) [0.006/0.993] Probability source is an FSRQ ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (2)SType (char) Source type from SIMBAD/SDSS ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  (2)z  (n) [0.05/1.66] Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (2)r_z (char) Reference and/or flag for z (Note 3)   ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;pos.parallax;meta.main)

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