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Masses of Compact X-Ray Sources

Published online by Cambridge University Press:  30 March 2016

Yoram Avni
Yoram Avni*
Affiliation:
Weizmann Institute of Science, Rehovot, Israel and Astronomical Institute, Amsterdam, The Netherlands

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The presence of compact x-ray sources in binary systems provides an opportunity to determine observationally the masses of neutron stars and possibly of black holes. These masses are important for equations of state at nuclear densities, for theories of gravitation, and for late stages of stellar evolution. A mass range for each source is determined by finding the sets of orbital elements that are consistent with the available x-ray and optical data. As such analyses are subject to various uncertainties, the resulting mass ranges are rather wide. Nevertheless, significant mass estimates are obtained, accompanied by interesting results on other system parameters.

Type
Joint Dicussions
Information
Highlights of Astronomy , Volume 4 , Issue 1: Highlights of Astronomy. As presented at the XVIth General Assembly of the IAU, 1976 (Part I) , 1977 , pp. 137 - 143
Copyright
Copyright © Reidel 1977

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