VizieR

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

VizieR

  
J/other/RAA/19.98
  X-ray activity from different types of stars (He+, 2019)
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img(gal)
1.J/other/RAA/19.98/table1The X-ray information for the sample sources (887 rows)

 
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. (meta.record)
  ObsID  Spectral ID in LAMOST catalog (meta.id;meta.main)
  FX mW/m2 Unabsorbed flux in band 0.3-3.5keV (phot.flux;em.X-ray)
  e_FX mW/m2 rms uncertainty on FX (stat.error)
  log(FX/FV) [-] X-ray to optical flux ratio (phot.flux;arith.ratio)
  e_log(FX/FV) [-] rms uncertainty on log(FX/FV) (stat.error)
  HR  (n) EPIC HR using the bands of 0.5-1keV and 1-2keV derived from the 3XMM-DR5 catalog (phot.flux;arith.ratio)
  e_HR  (n) rms uncertainty on HR (stat.error)

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(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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