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. (meta.record)
  (1)Type (char) Source type ("BL Lacs" or "FSRQ") (src.class)
   (ALL)4FGL (char) Fermi 4FGL catalog identifier (JHHMM.m+DDMM) (meta.id;meta.main)
   (ALL)logFg [mW/m2] [-12.16/-9] Log Gamma-ray flux; erg/s/cm2 (phot.flux.density;em.gamma)
   (ALL)Gamma   [1.45/3.1] The Gamma-ray photon index (spect.index)
   (ALL)Var   [-4/1.61] Year-over-year Gamma-ray variability index (src.var.index)
   (ALL)Curve   [0.27/4.9] Significance of the curvature in Gamma-ray spectrum (stat.fit.goodness)
   (ALL)logFX/Fg [-] [-2.76/1.27] Log X-ray to Gamma-ray flux (phot.flux;em.X-ray;em.gamma)
   (ALL)logFV/Fg [-] [-7.44/-2.66] Log V band to Gamma-ray flux (phot.flux;em.opt.V;em.gamma)
   (ALL)W1-W2 mag [0.05/1.51] WISE (W1-W2) color index (phot.color;em.IR.3-4um;em.IR.4-8um)
   (ALL)W2-W3 mag [0.7/5.26] WISE (W2-W3) color index (phot.color;em.IR.8-15um;em.IR.15-30um)

ALL cols		    
 (i)indexed column
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
   (ALL)NED (char) ask the NED data-base about this object (meta.ref.url)
   (ALL)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (2)SwXF4 (char) Swift/XRT SwXF4 identifier (JHHMMSS.s+DDMMSS) (meta.id.cross)
  (2)SwUVF4 (char) Swift/UVOT SwUVF4 identifier (JHHMMSS.s+DDMMSS) (meta.id.assoc)
  (2)RType (char) Result type code (Note 1)   (meta.code.class)
  (2)f_4FGL (char) [b] Flag on 4FGL (Note 2)   (meta.code)
  (2)Pfsrq  (n) [0.006/0.993] Probability source is an FSRQ (stat.probability)
  (2)SType (char) Source type from SIMBAD/SDSS (src.class)
  (2)z  (n) [0.05/1.66] Redshift (src.redshift)
  (2)r_z (char) Reference and/or flag for z (Note 3)   (meta.ref;src.redshift)

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