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Spectroscopic studies of OB stars in the Magellanic Clouds with VLT-UVES

Published online by Cambridge University Press:  26 May 2016

Christopher J. Evans ,
Paul A. Crowther ,
Alexander W. Fullerton  and
D. John Hillier
Christopher J. Evans
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
Paul A. Crowther
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
Alexander W. Fullerton
Affiliation:
Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21286, USA
D. John Hillier
Affiliation:
Department of Physics and Astronomy, University of Pittsburgh, 3941 O'Hara Street, Pittsburgh, PA 15260, USA

Abstract

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We present results from optical and ultraviolet analysis of nine LMC/SMC supergiants. Temperatures, mass-loss rates and CNO abundances are obtained using the non-LTE, line-blanketed model atmosphere code of Hillier & Miller (1998). In general, the derived temperatures are significantly lower than those determined from unblanketed, plane-parallel models.

Type
Part 1. Atmospheres of Massive Stars
Information
Symposium - International Astronomical Union , Volume 212: A Massive Star Odyssey: From Main Sequence to Supernova , 2003 , pp. 176 - 177
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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