Evolution of isolated neutron stars in globular clusters: number of Accretors

Astronomy and Astrophysics – Astrophysics

Scientific paper

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6 pages, no figures. Submitted to Astronomical and Astrophysical Transactions (style included)

Scientific paper

10.1080/10556790215593

With a simple model from the point of view of population synthesis we try to verify an interesting suggestion made by Pfahl & Rappaport (2001) that dim sources in globular clusters (GCs) can be isolated accreting neutron stars (NSs). Simple estimates show, that we can expect about 0.5-1 accreting isolated NS per typical GC with $M=10^5 M_{\odot}$ in correspondence with observations. Properties of old accreting isolated NSs in GCs are briefly discussed. We suggest that accreting NSs in GCs experienced significant magnetic field decay.

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