The Masses of the Neutron Stars in Cen X-3 and Vela X-1.

Ash, Timothy David Curtis (1999). The Masses of the Neutron Stars in Cen X-3 and Vela X-1. PhD thesis The Open University.

DOI: https://doi.org/10.21954/ou.ro.0000ff7b

Abstract

This thesis deals with observations, and subsequent analysis made of the high-mass X-ray binary systems Cen X-3 and Vela X-l. By making precise radial velocity measurements of the supergiant components, and combining these results with previous X-ray data, the masses of the neutron star components can be determined. The mass of the neutron star in Cen X-3 is found to be 1.21±0.21Mo, while the mass of the neutron star in Vela X-l is found to be 1.77+0.55-0.29Mⵙ. The thesis concludes with an account of an attempt to detect radio emission from the Vela X-l bowshock.

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