VizieR

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VizieR

  
J/ApJ/871/193
  A combined Chandra & LAMOST study of stellar activity (He+, 2019)
ReadMe+ftp
2019ApJ...871..193H
Similar Catalogs
timeSerie
Post annotation 		img(gal)
1.J/ApJ/871/193/table4Stars with H{alpha} emission lines in our sample (24 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)
  CXOGSG (char) Object identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  EW 0.1nm [0.35/9] Equivalent Width, H{alpha} ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  e_EW 0.1nm [0.02/0.33] Uncertainty in EW ((unassigned);(unassigned);(unassigned);time.age;phys.atmol.number;meta.main)
  EWp 0.1nm [1.9/9.7] Excess H{alpha} equivalent width over chromospheric emission ((unassigned);meta.version;arith.diff;phys.at.moment.magnetic;meta.main)
  logRHa   [-4/-3.2] log, H{alpha} emission index, LH{alpha}/Lbol ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  e_logRHa   [0.03/0.11] Uncertainty in logRHa ((unassigned);(unassigned);(unassigned);time.age;meta.main)

ALL cols		    
 (i)indexed column
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 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=846450943 Where phase=3 and catid=18710193
**** 
**** --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/VR360386.err (2026-10-27T21:15:42)
-3
-source=J/ApJ/871/193/table4
-ref=VIZ6ae1147f57fc2
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