Observations of Bow-Shock Pulsar Wind Nebulae - Chandra X-Ray ...
Observations of Bow-Shock Pulsar Wind Nebulae - Chandra X-Ray ...
Observations of Bow-Shock Pulsar Wind Nebulae - Chandra X-Ray ...
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• If pulsar is moving through SNR, it!<br />
will encounter reverse shock first!<br />
in direction <strong>of</strong> motion!<br />
- relic PWN is pushed back from pulsar!<br />
- nebula around pulsar begins being!<br />
swept into a cometary shape !<br />
• SNR temperature drops toward !<br />
outer shell, reducing sound speed!<br />
- for Sedov-phase SNR, pulsar motion!<br />
becomes supersonic at R ≈ 2R s /3 !<br />
- beyond this a true bow shock forms!<br />
Going Supersonic!<br />
Patrick Slane (CfA)! SNRs and PWNe in the <strong>Chandra</strong> Era!<br />
van der Swaluw et al. 2004<br />
Boston 2009!
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