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Quantitative Spectral Analysis of hot Post-AGB Stars

Published online by Cambridge University Press:  09 March 2010

Daniel R. Costa-Mello ,
Simone Daflon  and
Claudio B. Pereira
Daniel R. Costa-Mello
Affiliation:
Observatório Nacional - ON/MCT, Rua General José Cristino 77 CEP 20921-400, Rio de Janeiro, Brazil email: mello@on.br
Simone Daflon
Affiliation:
Observatório Nacional - ON/MCT, Rua General José Cristino 77 CEP 20921-400, Rio de Janeiro, Brazil email: mello@on.br
Claudio B. Pereira
Affiliation:
Observatório Nacional - ON/MCT, Rua General José Cristino 77 CEP 20921-400, Rio de Janeiro, Brazil email: mello@on.br
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Abstract

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Post-AGB (PAGB) stars are luminous objects of low and intermediate mass in a final and short stage of evolution in the transition between AGB stars and planetary nebulae (PNe). In this work we present a quantitative spectral analysis of some hot PAGBs based on high resolution spectra. The stellar parameters and chemical composition were obtained from the synthesis of non-LTE spectra.

Keywords

stars: AGB and Post-AGB - stars: abundances - stars: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S265: Chemical Abundances in the Universe: Connecting First Stars to Planets , August 2009 , pp. 356 - 357
Copyright
Copyright © International Astronomical Union 2010

References

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