Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26as...98..523s&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 98, no. 3, p. 523-527.
Astronomy and Astrophysics
Astrophysics
436
Massive Stars, Metallicity, Stellar Evolution, Stellar Mass, Stellar Models, Hertzsprung-Russell Diagram, Magellanic Clouds, Opacity, Stellar Interiors
Scientific paper
Continuing the effort to provide a homogeneous base of extensive and accurate grids of stellar models covering a wide range of metallicities we present a new grid of stellar models at metallicity Z = 0.008, roughly corresponding to the Large Magellanic Cloud composition. The models have been computed for 0.8 to 120 solar masses, using up-to-date input physics and the new radiative opacities from Rogers and Iglesias (1992) and Kurucz (1991). Mass loss and moderate core overshooting are taken into account. The resulting HR diagram and the lifetimes in the H-, He-, and C-burning phases as well as some general results on massive stars are discussed and compared with complementary grids, using the same input physics at metallicities Z of 0.020 and 0.001 used by Schaller et al. (1992).
Maeder Andre
Meynet George
Schaerer Daniel
Schaller Gernot
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