2006 Supplement 2: 2005 LAKE HANAS INTERNATIONAL PULSAR SYMPOSIUM / Wang

Millisecond Pulsar Population in the Galactic Center and High Energy Contributions

W. Wang

Abstract


We propose that there possibly exists a population of millisecond pulsars in the Galactic center region. Millisecond pulsars (MSPs) could emit GeV gamma-rays through synchrotron-curvature radiation as predicted by outer gap models. In the same time, the compact wind nebulae around millisecond pulsars can emit X-rays though synchrotron radiation and TeV photons through inverse Compton processes. Besides, millisecond pulsar winds provide good candidates for the electron-positrons sources in the Galactic center. Therefore, we suggest that the millisecond pulsar population could contribute to the weak unidentified Chandra X-ray sources, the diffuse gamma-rays detected by EGRET, electron-positron annihilation lines and possible TeV photons detected by HESS toward the Galactic center.


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DOI: https://doi.org/10.1088/1009-9271/6/S2/50

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