Hard X-Ray Emission from the Pulsar System PSR B1259-63 near Periastron

Details Hard X-Ray Emission from the Pulsar System PSR B1259-63 near Periastron Hard X-Ray Emission from the Pulsar System PSR B1259-63 near Periastron

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...18510214t&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #102.14; Bulletin of the American Astronomical Society, Vol. 26, p.1485

Astronomy and Astrophysics

Astronomy

Scientific paper

The \psr system containing a young pulsar and a Be star was observed near periastron by the Compton Gamma-Ray Observatory in January 1994. We report here the detection by the \osse instrument of hard X-ray emission between 50 and 200 keV in the direction of the \psr system. Possible background sources of emission (diffuse galactic background and nearby X-ray binaries) are unlikely to contribute significantly to the detected emission. The emission detected by \osse is consistent with a power-law extrapolation of the X-ray emission detected by \asca from the \psr system. The detection by \osse of the \psr system near periastron is in agreement with shock-powered emission from a pulsar wind termination shock, and it can be used to set important constraints on the shock acceleration mechanism.

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