Binary population synthesis and sdBs at different metallicities |
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Authors: | David Brown |
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Institution: | 1. Specola Vaticana, 00120, Città del Vaticano, Vatican
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Abstract: | One of the ways by which subdwarf B stars are thought to form is through binary star interactions. The metallicity of the sdB progenitor stars in such binary systems should not seem to be a major factor in the formation of sdB stars. However, given the different environments in which sdB stars are found, binary population synthesis simulations have been conducted in order to examine how metallicity might be a subtle factor in the formation of sdB stars in such environments. This is then applied to clusters of stars and to the UV Upturn phenomenon. |
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