VizieR

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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/AJ/151/142
  Five years of blazar observations with VERITAS (Archambault+, 2016)
ReadMe+ftp
2016AJ....151..142A
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/151/142/table6Results and Upper Limits for the 2FGL Sources in the VERITAS Field of View (21 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. ((unassigned))
  Name (char) Source name ((unassigned);(unassigned))
  sigma   [-1.98/3.49] Source significance (in {sigma} units) ((unassigned))
  CntON   [32/7515] Number of ON (source) counts ((unassigned);(unassigned))
  CntOFF   [190/64132] Number of OFF (background) counts ((unassigned);(unassigned))
  alpha   [0.037/0.267] Ratio of the ON over OFF region size {alpha} ((unassigned);(unassigned))
  Eth TeV [0.138/0.501] Threshold energy of the analysis Eth ((unassigned))
  Edec TeV [0.226/0.829] Decorrelation energy Edec (Note 1)   ((unassigned))
  UL-Edec 10-12/cm2/s/TeV [1.6/102] Differential flux upper limit at Edec ((unassigned);(unassigned))
  UL-Eth Crab [0.9/17.4] Integral flux upper limit (above Eth) (Note 2)   ((unassigned);(unassigned))
  UL/Phi1  (n) Ratio between the VERITAS differential upper limit and the extrapolation of the Fermi-LAT detection ({Phi}HE, evaluated at Edec) ((unassigned))
  UL/Phi2  (n) Ratio between the VERITAS differential upper limit and the extrapolation of the Fermi-LAT detection ({Phi}HE, evaluated at Edec) ((unassigned))
  z1  (n) [0.086/1.05] Redshift associated to UL/Phi1 ((unassigned))
  z2  (n) [0.5] Redshift associated to UL/Phi2 ((unassigned))
  Simbad  ask the Simbad data-base about this object ((unassigned))
  _RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned))
  _DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned))

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:
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**** Report from: stdb_pg,     Status: STDB_ERR 
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**** Report from: stdb_conn_dbms,     Status: STDB_ERR 
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR1390784.err (2026-06-18T06:47:03)
-3
-source=J/AJ/151/142/table6
-ref=VIZ6a3394671538c0
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