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/tablef1(c)Measurements for stars in Pleiades (378 rows)
2.J/MNRAS/476/908/tablef2(c)Measurements for stars in M34 (45 rows)
3.J/MNRAS/476/908/tablef3(c)Measurements for stars in Praesepe (176 rows)
4.J/MNRAS/476/908/tablef4(c)Measurements for stars in Hyades (142 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)Name (char) Star designation ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
   (ALL)Teff K Effective (quiescent) temperature ((unassigned);phys.veloc.orbital;arith.diff;em.radio)
   (ALL)EWHa 0.1nm (n) Equivalent width of Halpha line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
   (ALL)EWHb 0.1nm (n) Equivalent width of Hbeta line ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
   (ALL)EWCaK 0.1nm (n) Equivalent width of Ca II K line ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
   (ALL)EW'Ha 0.1nm (n) Excess equivalent width of Halpha line ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
   (ALL)EW'Hb 0.1nm (n) Excess equivalent width of Hbeta line ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
   (ALL)EW'CaK 0.1nm (n) Excess equivalent width of Ca II K line ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
   (ALL)R'Ha [-] (n) Fractional excess luminosity of Halpha (Note 1)   ((unassigned);(unassigned);(unassigned);(unassigned);instr.offset)
   (ALL)R'Hb [-] (n) Fractional excess luminosity of Hbeta (Note 1)   (time.equinox;(unassigned);arith.factor;(unassigned);instr.offset)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)R'CaK [-] (n) Fractional excess luminosity of Ca IIK (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);instr.offset)
   (ALL)fs  (n) Spot filling factor (based on TiO2) ((unassigned);(unassigned);(unassigned);pos.bodyrc.lon;meta.main)
   (ALL)Tspot K (n) Spot temperature ((unassigned);(unassigned);(unassigned);em)
   (ALL)multi  Photometric single/binary member/non-member (Note 2)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
   (ALL)RAJ2000 deg Right ascension J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)DEJ2000 deg Declination (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
   (ALL)SimbadName (char) (n)Designation understandable by the Simbad data-base ((unassigned);phys.veloc.orbital;arith.diff;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=846596495 Where phase=3 and catid=74760908
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846596495 Where phase=3 and catid=74760908
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846596495 Where phase=3 and catid=74760908
**** 
**** --POSTGRES MSG db=0
**** 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/VR4149701.err (2026-10-29T13:41:33)
-3
-source=J/MNRAS/476/908
-ref=VIZ6ae34d0e3f51c5
elapse time 2