Orbits of Four Very Massive Binaries in the R136 Cluster

Details Orbits of Four Very Massive Binaries in the R136 Cluster Orbits of Four Very Massive Binaries in the R136 Cluster

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.0604p&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #06.04; Bulletin of the American Astronomical Society, Vol. 33, p.1310

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Scientific paper

We present radial velocity and photometry for four early-type, massive double-lined spectroscopic binaries in the R136 cluster. Three of these systems are eclipsing, allowing orbital inclinations to be determined. One of these systems, R136-38 (O3 V + O6 V), has one of the highest masses ever measured, 57 Modot, for the primary. Comparison of our masses with those derived from standard evolutionary tracks shows excellent agreement. We also identify five other light variables in the R136 cluster worthy of follow-up study.

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