VizieR

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

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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/A+A/644/A67
  EUV estimates from CaII H&K activity (Sreejith+, 2020)
ReadMe+ftp
2020A&A...644A..67S
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/644/A67/table2Stellar parameters and EUV fluxes (95 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. (meta.record)
  Name (char) Target name (meta.id;meta.main)
  SpType (char) MK spectral type (src.spType)
  Vmag mag Aparent V magnitude (phot.mag;em.opt.V)
  B-V mag B-V colour index (phot.color;em.opt.B;em.opt.V)
  Teff K Stellar effective temperature (phys.temperature.effective)
  Rad Rsun Stellar radius (phys.size.radius)
  Dist pc Distance (pos.distance)
  logRpHKmean [-] Mean activity index logR'HK (phot.flux;arith.ratio)
  logRpHKmed [-] Median activity index logR'HK (phot.flux;arith.ratio)
  logRpHkstddev [-] LogR'HK Standard deviation (stat.stdev)
  Nobs  Number of observations of LogR'HK (meta.number)
  Fbol 10-10W/m2Bolometric flux (10–7erg/s/cm2) (phot.flux.bol)
  FEUV 10-17W/m2EUV flux in 90-911Å (10–14erg/s/cm2) (phot.flux;em.UV)
  log(FEUV/Fbol) [-] Flux ratio, log(FEUV/Fbol) (phot.flux;arith.ratio)
  e_log(FEUV/Fbol) [-] Error of log(FEUV/Fbol) (stat.error)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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