Eclipsing binaries in the globular cluster Omega Centauri

Details Eclipsing binaries in the globular cluster Omega Centauri Eclipsing binaries in the globular cluster Omega Centauri

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977msngr..10...14n&link_type=abstract

ESO Messenger, Sept. 1977, p. 14, 15.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Eclipsing Binary Stars, Globular Clusters, Astronomical Photometry, Astronomical Spectroscopy, Stellar Mass, Stellar Mass Ejection, X Ray Sources

Scientific paper

A search for eclipsing binaries in the globular cluster Omega Centauri was conducted with the aim of using photometric and spectroscopic mass determinations, and radii and chemical composition evaluations of the binary systems to enhance understanding of globular cluster origins. A simple photographic technique was employed to isolate 79 possible variable stars (changing more than 0.3 magnitude) on 11 plates taken on five consecutive nights. At least one of these variable stars seems a likely possibility for classification as an eclipsing binary, since it dropped 0.7 magnitude on two plates obtained in immediate succession.

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