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Abundances of C, N, and O in AGB Giants and Model Atmospheres

Published online by Cambridge University Press:  30 December 2019

B. Aringer ,
P. Marigo ,
W. Nowotny ,
L. Girardi ,
M. Mečina  and
A. Nanni
B. Aringer
Affiliation:
Dipartimento di Fisica e Astronomia Galileo Galilei, Università di Padova, Vicolo dell’Osservatorio 3, I-35122 Padova, Italy email: bernhard.aringer@unipd.it
P. Marigo
Affiliation:
Dipartimento di Fisica e Astronomia Galileo Galilei, Università di Padova, Vicolo dell’Osservatorio 3, I-35122 Padova, Italy email: bernhard.aringer@unipd.it
W. Nowotny
Affiliation:
Department of Astrophysics, Univ. of Vienna, Türkenschanzstraße 17, A-1180 Wien, Austria
L. Girardi
Affiliation:
Dipartimento di Fisica e Astronomia Galileo Galilei, Università di Padova, Vicolo dell’Osservatorio 3, I-35122 Padova, Italy email: bernhard.aringer@unipd.it
M. Mečina
Affiliation:
Department of Astrophysics, Univ. of Vienna, Türkenschanzstraße 17, A-1180 Wien, Austria
A. Nanni
Affiliation:
Dipartimento di Fisica e Astronomia Galileo Galilei, Università di Padova, Vicolo dell’Osservatorio 3, I-35122 Padova, Italy email: bernhard.aringer@unipd.it
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Abstract

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Based on hydrostatic models we discuss the effects of molecular opacities and abundance changes concerning C, N or O on the atmospheric structures, spectra and photometric properties of C/M AGB giants.

Keywords

stars: atmospheresstars: abundancesstars: carbonstars: AGB and post-AGB
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S343: Why Galaxies Care About AGB Stars: A Continuing Challenge through Cosmic Time , August 2018 , pp. 93 - 96
Copyright
© International Astronomical Union 2019 

References

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