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J/ApJS/232/7
  8yr R-band photopolarimetric data of blazar Mrk 421 (Fraija+, 2017)
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2017ApJS..232....7F
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1.J/ApJS/232/7/table1R-band photopolarimetric data of Mrk 421 from February 2008 to May 2016 [timeSerie] (R-band LC and Polarimetric data plot) (385 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)
  MJD d Modified Julian Date of observation; JD-2400000.5 ((unassigned);meta.version;arith.diff;pos.centroid;meta.main)
  Pol % [0.3/11] Polarization degree ((unassigned);(unassigned);(unassigned);(unassigned))
  e_Pol % [0.1/0.5] Uncertainty in Pol ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  PA deg Position angle ((unassigned);(unassigned);(unassigned);instr.spect;(unassigned))
  e_PA deg [0.8/9] Uncertainty in PA ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Rmag mag [11.2/13.6] R band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_Rmag mag [0.03/0.1] Uncertainty in Rmag ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
  RFlux mJy [11/94] Optical Flux, R band ((unassigned);meta.version;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  e_RFlux mJy [0.8/4] Uncertainty in RFlux ((unassigned);(unassigned);(unassigned);time.age;meta.main)

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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=846537158 Where phase=3 and catid=22320007
**** 
**** --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/VR3446108.err (2026-10-28T21:12:36)
-2
-source=22320007
-ref=VIZ6ae2654534955c
elapse time 2