Evolutionary tracks and observational constraints

Details Evolutionary tracks and observational constraints Evolutionary tracks and observational constraints

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aca....43..305b&link_type=abstract

Acta Astronomica, vol. 43, no. 4, p. 305-313

Astronomy and Astrophysics

Astronomy

11

Asymptotic Giant Branch Stars, Main Sequence Stars, Stellar Evolution, Stellar Mass, Stellar Models, White Dwarf Stars, Hertzsprung-Russell Diagram, Stellar Luminosity

Scientific paper

We have performed stellar calculations for initial masses between 1 and 7 solar mass from the main sequence through the asymptotic giant branch towards the stage of white dwarfs. Our calculations indicate that massive central stars fade much slower than hitherto assumed leading to the prediction that the least luminous central stars should have masses of 0.65 solar mass. It is emphasized that post-asymptotic giant branch timescales depend strongly on the asymptotic giant branch history. Furthermore, we discuss the possibility of two thermal pulses during the post-asymptotic giant branch evolution.

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