X-ray emission from neutron stars in dark clusters.

Details X-ray emission from neutron stars in dark clusters. X-ray emission from neutron stars in dark clusters.

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...321..696d&link_type=abstract

Astronomy and Astrophysics, v.321, p.696-702

Astronomy and Astrophysics

Astrophysics

1

Dark Matter, Galaxy: Halo, Neutron Stars, X-Rays: General, Stars

Scientific paper

Two classes of neutron stars may exist in the galactic halo: neutron stars originating in the disk with high velocities and neutron stars originating in globular clusters (via Type II supernovae and/or accretion induced collapse). Moreover, the halo dark matter is likely in the form of dark clusters composed of MACHOs and cold molecular clouds. Here we propose a model in which neutron stars crossing dark clusters in the galactic halo accrete material and emit in the X-ray band. The detection of these X-ray sources whose luminosity can span several orders of magnitude from ~10^33^ to ~10^37^ erg/s could be already done by ROSAT.

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