VizieR

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

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/MNRAS/476/908
  Chromospheric activity in 4 open clusters (Fang+, 2018)
ReadMe+ftp
2018MNRAS.476..908F
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/476/908/tablef3Measurements for stars in Praesepe (176 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) Star designation ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  Teff K Effective (quiescent) temperature ((unassigned);(unassigned);(unassigned);em.radio)
  EWHa 0.1nm (n) Equivalent width of Halpha line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  EWHb 0.1nm (n) Equivalent width of Hbeta line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  EWCaK 0.1nm (n) Equivalent width of Ca II K line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  EW'Ha 0.1nm (n) Excess equivalent width of Halpha line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  EW'Hb 0.1nm (n) Excess equivalent width of Hbeta line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  EW'CaK 0.1nm (n) Excess equivalent width of Ca II K line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  R'Ha [-] (n) Fractional excess luminosity of Halpha (Note 1)   ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
  R'Hb [-] (n) Fractional excess luminosity of Hbeta (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);instr.offset)
  R'CaK [-] (n) Fractional excess luminosity of Ca IIK (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);instr.offset)
  fs  (n) Spot filling factor (based on TiO2) ((unassigned);phys.veloc.orbital;arith.diff;pos.bodyrc.lon;meta.main)
  Tspot K (n) Spot temperature ((unassigned);phys.veloc.orbital;arith.diff;em)
  multi  Photometric single/binary member/non-member (Note 2)   ((unassigned);(unassigned);arith.factor;pos.eq.dec)
  RAJ2000 deg Right ascension J2000) ((unassigned);(unassigned);arith.factor;(unassigned);arith)
  DEJ2000 deg Declination (J2000) (phot.color;instr.det.qe;stat.min;(unassigned);arith)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (stat.weight;(unassigned);arith.factor;spect.line.veloc)

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=846602249 Where phase=3 and catid=74760908
**** 
**** --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/VR35210.err (2026-10-29T15:17:28)
-3
-source=J/MNRAS/476/908/tablef3
-ref=VIZ6ae36388898a
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