VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

  
J/ApJS/247/16
  Extreme high-frequency-peaked BL Lac objects (Acciari+, 2020)
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2020ApJS..247...16A
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJS/247/16/table7The Swift-XRT results for the 11 sources (319 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);meta.version;arith.diff;phys.veloc)
  Name (char) Source identifier ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  MJD d Modified Julian Date of observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  obsid  Observation identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.polarization.circular;stat.median)
  Exp s [48/6905] Exposure time ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  GammaPL  (n) [1.3/2.4] Spectral index of power law-model (Note 1)   (time.equinox;(unassigned);arith.factor;phys.abund.Y;meta.main)
  e_GammaPL  (n) [0.02/0.3] Uncertainty in GammaPL (time.epoch;phys.atmol.qn.S;arith.factor;time.age;meta.main)
  chi2PL  (n) [0.3/172] Power law-model {chi}2 (src.morph.scLength;(unassigned);stat.min;time.resolution;meta.main)
  dofPL  (n) [2/172] Power law-model Degrees of Freedom ((unassigned);meta.version;arith.diff;meta.version;meta.main)
  GammaLP  (n) [1.3/2.1] Spectral index of log-parabola model (Note 1)   ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  e_GammaLP  (n) [0.05/0.2] Uncertainty in GammaLP ((unassigned);(unassigned);(unassigned);time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  betaLP  (n) [0.2/1] Curvature parameter of fitted log-parabola model ((unassigned);meta.version;arith.diff;time.obs.end;meta.main)
  e_betaLP  (n) [0.09/0.3] Uncertainty in betaLP ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  chi2LP  (n) [7.5/109] log-parabola model {chi}2 ((unassigned);meta.version;arith.diff;time.resolution;meta.main)
  dofLP  (n) [18/114] log-parabola model Degrees of Freedom ((unassigned);(unassigned);(unassigned);meta.version;meta.main)
  Prob % Null-hypotheses of probability of F-test (Note 2)   (stat.param;pos.wcs.crpix;arith.grad;stat.error;meta.main)
  F2-10 10-15W/m2 [1.5/85] X-ray 2-10 keV flux density (Note 3)   ((unassigned);meta.version;arith.diff;meta.abstract;(unassigned);(unassigned))
  e_F2-10 10-15W/m2 [0.1/14] Uncertainty in F2-10 (Note 3)   ((unassigned);meta.version;arith.diff;time.age;meta.main)
  F0.3-10 10-15W/m2 [2.8/140] X-ray 0.3-10 keV flux density (Note 3)   ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  e_F0.3-10 10-15W/m2 [0.1/13] Uncertainty in F0.3-10 (Note 3)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)

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=846510225 Where phase=3 and catid=22470016
**** 
**** --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/VR2037307.err (2026-10-28T13:43:43)
-3
-source=J/ApJS/247/16/table7
-ref=VIZ6ae1fc111f163b
elapse time 2