Statistics – Computation
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.211..391c&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 211, Nov. 15, 1984, p. 391-419.
Statistics
Computation
34
Binary Stars, Blue Stars, Star Clusters, Stellar Models, Computational Astrophysics, Mass Distribution, Mass Transfer, Monte Carlo Method, Orbital Elements, Stellar Evolution, Stellar Mass, Stellar Spectra, Ubv Spectra
Scientific paper
Results are presented from a series of Monte Carlo simulations of the spectral evolution of synthetic star clusters which contain a number of close binaries. These simulations offer statistical support for the hypothesis that blue stragglers in old disk clusters may be formed through binary mass exchange, with the binary frequency and mass ratio distributions closely reproducing the splitting of the main sequence observed in the H-R diagrams of old clusters. The simple, conservative mass-exchange scheme used is similar to the quasi-conservative model that is generally accepted as the evolutionary origin of the Algol-like class of semidetached binaries with under-massive, late-type subgiant components. The effects of binary evolution on the integrated UBVRI color of the cluster model are discussed.
Collier Cameron A.
Jenkins Charles R.
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