High Energy Studies of Evolved Pulsar Wind Nebulae

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

The energetic particles produced by a rapidly spinning pulsar trace the history of its spin-down evolution. The X-ray and gamma-ray emission from the associated nebula, as it progresses through its stages of rapid expansion and eventual disruption by the reverse shock of the host supernova remnant, provide information on the underlying particle injection spectrum, the interaction of the nebula and reverse shock, and ultimate fate of the energetic particles as the eventually diffuse into the interstellar medium. Here I report on Chandra, XMM, and Fermi observations of several evoloved composite supernova remnants and investigate the late-phase structure of the associated pulsar wind nebulae in order to constrain both the overall evolution and the underlying relativistic electron populations in these systems.
Supported in part by NASA Contract NAS8-03060.

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