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Libraries of synthetic stellar spectra – or are we building palaces upon sand?

Published online by Cambridge University Press:  01 December 2006

Bengt Gustafsson ,
Ulrike Heiter  and
Bengt Edvardsson
Bengt Gustafsson
Affiliation:
Department of Astronomy and Space Physics, Uppsala UniversityBox 515, SE-751 20 Uppsala, Sweden email: bg@astro.uu.se
Ulrike Heiter
Affiliation:
Department of Astronomy and Space Physics, Uppsala UniversityBox 515, SE-751 20 Uppsala, Sweden email: bg@astro.uu.se
Bengt Edvardsson
Affiliation:
Department of Astronomy and Space Physics, Uppsala UniversityBox 515, SE-751 20 Uppsala, Sweden email: bg@astro.uu.se
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Abstract

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The possibilities and problems of using calculated spectra from model atmospheres when analysing stellar populations in galaxies are reviewed. Various types of consistency tests for stellar models are discussed, as well as comparisons with observational data. It is argued that major improvements in the model spectra are possible and worthwhile.

Keywords

stars: atmospheresgalaxies: evolutionphotometry
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 47 - 57
Copyright
Copyright © International Astronomical Union 2007

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