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Binaries among the WN population in the Magellanic Clouds

Published online by Cambridge University Press:  26 May 2016

Cédric Foellmi ,
Anthony F.J. Moffat  and
Martín A. Guerrero Roncel
Cédric Foellmi
Affiliation:
European Southern Observatory, Alonso de Córdova 3107, Vitacura, Casilla 19001, Santiago 19, Chile
Anthony F.J. Moffat
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, QC H3C 3J7, Canada, and Observatoire du mont Mégantic, Canada
Martín A. Guerrero Roncel
Affiliation:
Department of Astronomy, University of Illinois at Champaign-Urbana, 1002 West Green Street, Urbana, IL 61801, USA

Abstract

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We have undertaken a large and extensive spectroscopic survey of WNE stars both in the SMC and LMC with various 2m and 4m telescopes, reaching a total of 78 nights, spread over three years, and obtaining over 1500 long-slit spectra of medium resolution. The first goal is a systematic search for binaries via periodic radial-velocity variations. We enlarged our dataset with photometric data from the ogle and macho databases, and with archival X-ray data from the ROSAT and Chandra satellites.

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. 180 - 181
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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