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J/A+AS/114/215
  New SNR candidates in M31 (Magnier+, 1995)
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1995A&AS..114..215M
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1.J/A+AS/114/215/table2O and early B stars and their Stroemgren spheres (19 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)
  Sp (char) Spectral type (src.spType)
  MVmag mag Absolute V magnitude (phys.magAbs;em.opt)
  Vmag mag Apparent V magnitude (phot.mag;em.opt.V)
  B-V mag B-V colour index (phot.color;em.opt.B;em.opt.V)
  logN(Lyc) [s-1] Production rate of Lyman continuum photons (phys.luminosity)
  logL(Ha) [10-7W] Expected Hα luminosity at the distance of M 31 (phys.luminosity)
  logF(Ha) [mW/m2] Expected Hα flux at the distance of M 31 (phot.flux)
  U pc/cm2 Excitation parameter for such photon rate (phys.excitParam)
  Rad pc Stroemgren sphere radii for a ISM density nH=1cm–3 (phys.size.radius)
  log(NH) [cm-2] Hydrogen column density for nH=1cm–3 (phys.columnDensity)
  AV mag Expected optical extinction for nH=1cm–3 (phys.absorption)
  Rad100 pc Stroemgren sphere radii for a ISM density nH=100cm–3 (phys.size.radius)
  log(NH)100 [cm-2] Hydrogen column density for nH=100cm–3 (phys.columnDensity)
  AV100 mag Expected optical extinction for nH=100cm–3 (phys.absorption)
  Note1 (char) [*] * for HII regions detectable in our images (bold lines in printed table) (meta.note)
  Note2 (char) [c] c for stars included in the completness limit of our blue star list (meta.note)

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