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B.W. Ritchie, J.S. Clark & I. Negueruela

The massive binary population of the starburst cluster Westerlund 1

(Volume 80 - Année 2011)
Article
Open Access

Abstract

We present initial results from a long-baseline radial velocity survey for massive binaries in the cluster Westerlund 1. Four systems are examined: the dust-producing WC binary W239, the double-lined eclipsing binary W13, and the single-lined B0 supergiants W43a and W3003. Finally, the evolutionary implications for the population of massive stars in Westerlund 1 are discussed.

Pour citer cet article

B.W. Ritchie, J.S. Clark & I. Negueruela, «The massive binary population of the starburst cluster Westerlund 1», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 80 - Année 2011, 628 - 633 URL : http://popups.ulg.be/0037-9565/index.php?id=3090.

A propos de : B.W. Ritchie

Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes, U.K.

A propos de : J.S. Clark

Department of Physics and Astronomy, The Open University, Walton Hall, Milton Keynes, U.K.

A propos de : I. Negueruela

Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain