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/table5Results and Upper Limits for the Known VHE Sources (11 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);phys.veloc.orbital;arith.diff;phys.veloc)
  Name (char) Source name ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  sigma   [-1.98/3.49] Source significance (in {sigma} units) ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.circular;meta.main)
  CntON   [32/7515] Number of ON (source) counts ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))
  CntOFF   [190/64132] Number of OFF (background) counts ((unassigned);phys.veloc.orbital;arith.diff;time.duration;(unassigned);(unassigned))
  alpha   [0.037/0.267] Ratio of the ON over OFF region size {alpha} ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
  Eth TeV [0.138/0.501] Threshold energy of the analysis Eth ((unassigned);phys.veloc.orbital;arith.diff;phys.dielectric)
  Edec TeV [0.226/0.829] Decorrelation energy Edec (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;stat.median;meta.main)
  UL-Edec 10-12/cm2/s/TeV [1.6/102] Differential flux upper limit at Edec ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  UL-Eth Crab [0.9/17.4] Integral flux upper limit (above Eth) (Note 2)   ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(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);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
  UL/Phi2  (n) Ratio between the VERITAS differential upper limit and the extrapolation of the Fermi-LAT detection ({Phi}HE, evaluated at Edec) ((unassigned);phys.veloc.orbital;arith.diff;pos.bodyrc.lon;meta.main)
  z1  (n) [0.086/1.05] Redshift associated to UL/Phi1 ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  z2  (n) [0.5] Redshift associated to UL/Phi2 ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  Simbad  ask the Simbad data-base about this object (time.epoch;pos.wcs.crval;arith.grad;pos.geocentric)
  _RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  _DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846455985 Where phase=3 and catid=51510142
**** 
**** --POSTGRES MSG db=1
**** 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/VR475182.err (2026-10-27T22:39:44)
-3
-source=J/AJ/151/142/table5
-ref=VIZ6ae128307402e
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