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/A+A/602/A86
  Blazar candidates among Fermi/LAT 3FGL catalog (Lefaucheur+, 2017)
ReadMe+ftp
2017A&A...602A..86L
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/602/A86/table5Sample of blazar candidates from unassociated 3FGL sources (595 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)
  3FGL (char) 3FGL source name, JHHMM.m+DDMM (Source_Name) (meta.id;meta.main)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  Flags  Flags (Note 1)   (meta.code.error)
  logsigmac [-] Discriminant parameter normalised curvature (NormalizedCurvature) (Note 2)   (stat.fit.goodness)
  logTS [-] Discriminant parameter normalised variability (NormalizedVariability) (Note G2)   (src.var.index)
  HR23  Discriminant parameter HR23 hardness ratio (Note G3)   (phot.flux;arith.ratio)
  HR34  Discriminant parameter HR34 hardness ratio (Note G3)   (phot.flux;arith.ratio)
  HR23-HR34  Discriminant parameter curvature, HR23-HR34 (Curvature) (phot.flux;arith.ratio)
  lambda  Discriminant parameter lambda (Lambda) (Note 3)   (stat.param)

ALL cols		    
 (i)indexed column
  zetaBDT  Output parameter zeta from BDT decision (zeta_BDT) (Note G5)   (stat.fit.param)
  zetaMLP  Output parameter zeta from MLP decision (zeta_MLP) (Note G5)   (stat.fit.param)
  Type (char) Blazar type (BlazarType) (Note G6)   (src.class)
  SP16 (char) [yes/no ] In Saz Parkinson et al. (2016, Cat. J/ApJ/820/8) (SazParkinson2016) (meta.code)
  Mi12 (char) [yes/no ] In Mirabal et al. (2012, Cat. J/MNRAS/424/L64) (Mirabal_2012) (meta.code)
  A12 (char) [yes/no ] In Ackermann et al. (2012, Cat. J/ApJ/753/83) (Ackermann_2012) (meta.code)
  Ma13 (char) [yes/no ] In Massaro et al. (2013, Cat. J/ApJS/207/4 and J/ApJS/206/13) (Massaro_2013) (meta.code)
  D14 (char) [yes/no ] In Doert & Errando (2014, Cat. J/ApJ/782/41) (Doert_2014) (meta.code)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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