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VI/54
  Horizontal Branch Stellar Model Calculations (Dorman 1992)
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1.VI/54/evol[model]Evolutionary sequences for metallicities [Fe/H]: -2.26, -2.03, -1.78, -1.66, -1.48, -1.26, -1.03, -0.78, -0.65, -0.47 (5412 rows)
2.VI/54/zahb[model]Parameters of the Zero Age Horizontal Branch stars for solar, O-enhanced and metal-rich compositions (428 rows)

 
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Column  Constraint Explain   (UCD)
  (1)A  (n) A = log.L/M^0.81, a quantity arising from pulsation models (Note 1)   (stat.param)
  (1)Age Myr (n) Age in Myr since ZAHB (time.age)
   (ALL)B-V mag colour index (phot.color;em.opt.B;em.opt.V)
   (ALL)[Fe/H] [Sun] Metallicity relative to Sun (log scale) (phys.abund.Fe)
   (ALL)log.g [cm/s2] (n) Surface gravity, cgs units (log scale) (phys.gravity)
   (ALL)logL [solLum] (n) Surface luminosity (log scale) (phys.luminosity)
  (1)logP [d] (n) Period of RR Lyrae pulsation (log scale) in the fundamental mode (Note 1)   (time.period)
   (ALL)log.rho_c [g/cm3] Central density, cgs units (log scale) (phys.density)
   (ALL)logTc [K] Central Temperature (log scale) (phys.temperature)
   (ALL)logTe [K] (n) Effective temperature (log scale) (phys.temperature.effective)
   (ALL)Mass solMass Stellar mass (phys.mass)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Mccore solMass (n) Mass of convective core (phys.mass)
  (1)Mout solMass (n) Mass at outer edge of semiconvection zone (phys.mass)
   (ALL)Msh solMass Mass at peak energy production rate of Hydrogen burning shell (phys.mass)
   (ALL)Mv mag Absolute Visual magnitude, derived from scale described by VandenBerg (1992ApJ...391..685V) (phys.magAbs;em.opt.V)
   (ALL)[O/Fe] [Sun] Oxygen abundance relative to Sun (log scale) (phys.abund)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Yc  (n) [0/1] Central helium fraction (phys.abund.Y)
  (2)logR [cm] Radius (log scale) (phys.size.radius)
  (2)M (char) Composition: blank for solar-scaled, O for Oxygen-enhanced, R for metal-rich (meta.note)
  (2)YHB   [0/1] Helium abundance (phys.abund.Y)

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