Old Isolated Accreting Neutron Stars: The Diffuse X--ray Emission From The Galactic Center
Abstract
The contribution of weakly--magnetized (B 109 G) neutron stars accreting the interstellar medium to the diffuse X--ray emission observed in the Galactic Center is investigated. It is shown that, under rather conservative assumptions about the neutron stars and gas distributions, the accretion luminosity can account for a sizable fraction, possibly most, of the detected X--ray flux in the 2.5--7 keV band. In particular, model results are compared with Granat\/ data and show a general agreement in both the flux energy and radial distributions.
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