Revised White Dwarf Evolutionary Models and the Age of the Galaxy

Details Revised White Dwarf Evolutionary Models and the Age of the Galaxy Revised White Dwarf Evolutionary Models and the Age of the Galaxy

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...183.5002w&link_type=abstract

American Astronomical Society, 183rd AAS Meeting, #50.02; Bulletin of the American Astronomical Society, Vol. 25, p.1368

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new evolutionary models of white dwarf stars which incorporate the new OPAL radiative opacities (Iglesias & Rogers 1993, ApJ, 412, 752), the Lenzuni, Chernoff, & Salpeter (1991, ApJS, 76, 759) radiative opacities, recent improvements to the conductive opacities of the Japanese group (Itoh & Kohyama 1993, ApJ, 404, 268, Itoh et al. 1993, ApJ, in press) and an improved opacity interpolation in the intermediate regime where no opacities currently exist. We present the new age-luminosity curves which result from these changes, and discuss the effects on the inferred age of the local Galactic disk.

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