On TP-AGB stars and the mass of galaxies

Details On TP-AGB stars and the mass of galaxies On TP-AGB stars and the mass of galaxies

2007-03-02

arxiv.org/abs/astro-ph/0703052v2

Astronomy and Astrophysics

Astrophysics

7 pages, 4 figures, in Proceedings of the IAU Symposium No. 241 "Stellar populations as building blocks of galaxies", eds. A.

Scientific paper

Recent calculations of evolutionary tracks of TP-AGB stars of different mass and metallicity by Marigo et al. (2007) have been incorporated in the Bruzual & Charlot evolutionary population synthesis models. The mass of the stellar population in HUDF galaxies at z from 1 to 3 determined from fits to the spectro-photometric data of these galaxies is 50 to 80% lower than the mass determined from the BC03 models. The ages inferred for these populations are, with exceptions, 40 to 60% of the BC03 estimates.

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