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Title:
Massive Binaries in the R 136 Cluster
Authors:
Morrell, N. I.; Massey, P.; Degioia-Eastwood, K.; Penny, L. R.; Gies, D. R.; Tsitkin, Y.; Darnell, E.
Affiliation:
AA(Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile )
Publication:
Massive Stars: Fundamental Parameters and Circumstellar Interactions (Eds. P. Benaglia, G. L. Bosch, & C. E. Cappa) Revista Mexicana de Astronomía y Astrofísica (Serie de Conferencias) Vol. 33, pp. 113-115 (2008) (http://www.astroscu.unam.mx/~rmaa/) (RMxAC Homepage)
Publication Date:
08/2008
Origin:
RMXAC
Keywords:
binaries: eclipsing, binaries: spectroscopic, open clusters and associations: individual (R136), stars: early-type, stars: fundamental parameters
Bibliographic Code:
2008RMxAC..33..113M

Abstract

As part of a large project aimed to the discovery and follow up of massive eclipsing systems in young clusters and stellar associations, we have obtained V-band CCD imaging of the R136 cluster in 30 Doradus, and high resolution spectroscopy of several among the variable stars we found there. Here we summarize our preliminary analysis of light and radial velocity variations for 4 massive multiple systems in the R136 cluster.
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