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Title: Spectroscopy of post-AGB candidate IRAS 10215-5916
Authors: Sivarani, T
Parthasarathy, M
García, L. P
Manchado, A
Keywords: Spectroscopy of Post-AGB;IRAS 10215-5916
Issue Date: Aug-2001
Publisher: Kluwer Academic Publishers
Citation: Szczerba, R. and Garny, S. K., eds., Post-AGB objects as a phase of stellar evolution, Astrophysics and Space Science Library, Vol. 265, Proceedings of the Torun Workshop held July 5 - 7, 2000, pp. 305 – 308
Series/Report no.: Astrophysics and Space Science Library; Vol. 265
Abstract: IRAS 10215-5916 was classified as a post-AGB star and also as a massive red supergiant. It was also found to be a spectroscopic binary. In our high resolution spectra we found molecular features from a cool star of Teff = 3750K. We also see the spectral signature of a relatively hotter star of Teff = 7250K. We found that both the components of the binary system are metal poor. From the theoretical spectrum synthesis we obtained [C/H] = -0.2 +/- 0.4, [O/H] = -1.0 +/- 0.4 and [Fe/H] = -2.0 +/- 0.5 for the hot component of the binary system. The enhanced carbon abundance and metal poor characteristics show that the hot component of the binary system could be a post-AGB star.
Description: Restricted Access
ISBN: 0-7923-7145-3
Appears in Collections:IIAP Publications

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