VizieR

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VizieR

  
J/ApJ/831/102
  Swift and NuSTAR obs. of the BL Lac Mrk 421 (Kapanadze+, 2016)
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2016ApJ...831..102K
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1.J/ApJ/831/102/table2Summary of the NuSTAR observations (23 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);(unassigned);(unassigned);phys.veloc)
  obsID  Observation identifier ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;phys.polarization.circular;stat.median)
  St s (n)Date of the observation start; UTC (year 2013 added by CDS) ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  End s (n)Date of the observation end; UTC (year 2013 added by CDS) ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)
  Exp s Exposure time ((unassigned);phys.atmol.qn.F;arith.grad;(unassigned);(unassigned);meta.main)
  CR ct/s NuSTAR count rate ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  e_CR ct/s Uncertainty in CR ((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=846544732 Where phase=3 and catid=18310102
**** 
**** --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/VR3558089.err (2026-10-28T23:18:50)
-3
-source=J/ApJ/831/102/table2
-ref=VIZ6ae282db364ac9
elapse time 2