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Binaries in globular clusters
Journal article   Open access

Binaries in globular clusters

Piet Hut, Steve Mcmillan, Jeremy Goodman, Mario Mateo, E. S. Phinney, Carlton Pryor, Harvey B. Richer, Frank Verbunt and Martin Weinberg
Publications of the Astronomical Society of the Pacific, v 104(681), pp 981-1034
01 Nov 1992
DOI: https://doi.org/10.1086/133085
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url
https://doi.org/10.1086/133085View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze),  Open

Abstract

Astrophysics
Recent observations have shown that globular clusters contain a substantial number of binaries most of which are believed to be primordial. We discuss different successful optical search techniques, based on radial-velocity variables, photometric variables, and the positions of stars in the color-magnitude diagram. In addition, we review searches in other wavelengths, which have turned up low-mass X-ray binaries and more recently a variety of radio pulsars. On the theoretical side, we give an overview of the different physical mechanisms through which individual binaries evolve. We discuss the various simulation techniques which recently have been employed to study the effects of a primordial binary population, and the fascinating interplay between stellar evolution and stellar dynamics which drives globular-cluster evolution.

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Astronomy & Astrophysics
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