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/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/table5(c)Sample of blazar candidates from unassociated 3FGL sources (595 rows)
2.J/A+A/602/A86/table7(c)Type assignation of blazar candidates (903 rows)
Help Xmatch is

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);meta.version;arith.diff;phys.veloc)
   (ALL)3FGL (char) 3FGL source name, JHHMM.m+DDMM (Source_Name) ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
   (ALL)GLON deg Galactic longitude ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
   (ALL)GLAT deg Galactic latitude ((unassigned);meta.version;arith.diff;(unassigned))
  (1)Flags  Flags (Note 1)   ((unassigned);meta.version;arith.diff;pos.galactic.lon)
  (1)logsigmac [-] Discriminant parameter normalised curvature (NormalizedCurvature) (Note 2)   ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
   (ALL)logTS [-] Discriminant parameter normalised variability (NormalizedVariability) (Note G2)   ((unassigned);(unassigned);(unassigned);pos.wcs.crpix;meta.main)
   (ALL)HR23  Discriminant parameter HR23 hardness ratio (Note G3)   ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
   (ALL)HR34  Discriminant parameter HR34 hardness ratio (Note G3)   ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
  (1)HR23-HR34  Discriminant parameter curvature, HR23-HR34 (Curvature) ((unassigned);meta.version;arith.diff;meta.abstract;instr.offset)
  (1)lambda  Discriminant parameter lambda (Lambda) (Note 3)   ((unassigned);(unassigned);(unassigned);time.obs.end;meta.main)

ALL cols		    
 (i)indexed column
   (ALL)zetaBDT  Output parameter zeta from BDT decision (zeta_BDT) (Note G5)   ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
   (ALL)zetaMLP  Output parameter zeta from MLP decision (zeta_MLP) (Note G5)   ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
   (ALL)Type (char) Blazar type (BlazarType) (Note G6)   ((unassigned);meta.version;arith.diff;phys.atmol.sweight;meta.main)
  (1)SP16 (char) [yes/no ] In Saz Parkinson et al. (2016, Cat. J/ApJ/820/8) (SazParkinson2016) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)Mi12 (char) [yes/no ] In Mirabal et al. (2012, Cat. J/MNRAS/424/L64) (Mirabal_2012) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)A12 (char) [yes/no ] In Ackermann et al. (2012, Cat. J/ApJ/753/83) (Ackermann_2012) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)Ma13 (char) [yes/no ] In Massaro et al. (2013, Cat. J/ApJS/207/4 and J/ApJS/206/13) (Massaro_2013) (phot.color;obs.atmos;arith.factor;pos.eq.dec)
  (1)D14 (char) [yes/no ] In Doert & Errando (2014, Cat. J/ApJ/782/41) (Doert_2014) ((unassigned);meta.version;arith.diff;pos.eq.dec)
   (ALL)Simbad (char) ask the Simbad data-base about this object ((unassigned);meta.version;arith.diff;pos.geocentric)
   (ALL)_RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS ((unassigned);(unassigned);(unassigned);(unassigned))
   (ALL)_DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)Class (char) [BCU UnId] Classification (CLASS) (Note 1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)gamma  Spectral index of the power law hypothesis (PowerLaw_Index) ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)logEp [-] Discriminant parameter pivot energy (which is somewhat correlated to the position of the high energy peak) (Pivot_Energy) ((unassigned);meta.version;arith.diff;instr.sensitivity)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846482754 Where phase=3 and catid=36020086
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846482754 Where phase=3 and catid=36020086
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR772151.err (2026-10-28T06:05:54)
-3
-source=J/A+A/602/A86
-ref=VIZ6ae190c2bc837
elapse time 0