VizieR

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VizieR

  
J/A+A/325/1115
  Near-simultaneous ROSAT and Mt Wilson data (Piters+ 1997)
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1997A&A...325.1115P
Similar Catalogs
Post annotation 		  
1.J/A+A/325/1115/table1X-ray and Ca II data (215 rows)
2.J/A+A/325/1115/table2Flux densities (215 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)HD  (i) HD number (meta.id;meta.main)
  (1)B-V  B-V (from [1]) (phot.color;em.opt.B;em.opt.V)
  (1)Bin (char) Information on binarity, See Note (Note 1)   (meta.code)
  (1)Type (char) Spectral Type (from [1]) (src.spType)
  (1)JDCa d Obs. Time Ca II (JD-2444000) (time.epoch)
  (1)JDX d Obs. Time X-ray (JD-2444000) (time.epoch)
  (1)T(Ca-X) d Obs. Time Difference (Ca II - X-ray) (time;arith.diff)
  (1)Sval  S-value (instr.param)
  (1)e_Sval  Uncertainty in S-value (stat.error)
  (1)n_Sval (char) Note on Sval. See Note (Note 2)   (meta.note)

ALL cols		    
 (i)indexed column
  (1)l_Xrate (char) [U] Upper limit for Xrate. See Note (Note 3)   (meta.code.error)
  (1)Xrate ct/s X-ray Count Rate (phot.count;em.X-ray)
  (1)E_Xrate ct/s Pos. Uncertainty in Count Rate (stat.error)
  (1)e_Xrate ct/s Neg. Uncertainty in Count Rate (stat.error)
  (1)HR   Hardness Ratio (phot.flux;arith.ratio)
  (1)E_HR   Pos. Uncertainty in Hardness Ratio (stat.error)
  (1)e_HR   Neg. Uncertainty in Hardness Ratio (stat.error)
  (1)n_Xrate (char) Note on Xrate and HR. See Note (Note 4)   (meta.note)
  (1)LogNH [cm-2] Hydrogen Column Density (phys.columnDensity)
  (1)e_LogNH [cm-2] Uncertainty in LogNH (stat.error)
  (2)DFCa   Excess CaII surface flux density (Note 1)   (phot.flux;em.opt)
  (2)E_DFCa   Positive uncertainty in DFCa (Note 1)   (stat.error)
  (2)e_DFCa   Negative uncertainty in DFCa (Note 1)   (stat.error)
  (2)FX [mW/m2] Log. X-ray surface flux density (Note 2)   (phot.flux;em.X-ray)
  (2)E_FX [mW/m2] Positive uncertainty in FX (Note 2)   (stat.error)
  (2)e_FX [mW/m2] Negative uncertainty in FX (Note 2)   (stat.error)
  (2)DRCaII   Exc. CaII normalized flux dens. (Note 1)   (phot.flux;arith.ratio)
  (2)RX  X-ray normalized flux density (Note 2)   (phot.flux;arith.ratio)
  (2)Note (char) See Note (Note 3)   (meta.note)

ALL cols		    
 (i)indexed column
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