Binaries in globular-clusters
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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.
P. HUT, S. McMillian, J. Goodman, M. Mateo, E.S. Phinny, C. Pryor, H.B. Richer, F. Verbunt, and M. Weinberg. "Binaries in globular-clusters" Astronomical Society of the Pacific, Publications 104.681 (1992): 981-1034.
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