Resolving the bow-shock nebula around the old pulsar PSR B1929+10 with multi-epoch Chandra observations

Details Resolving the bow-shock nebula around the old pulsar PSR B1929+10 with multi-epoch Chandra observations Resolving the bow-shock nebula around the old pulsar PSR B1929+10 with multi-epoch Chandra observations

2007-07-05

arxiv.org/abs/0707.0800v2

Astronomy and Astrophysics

Astrophysics

Accepted by A&A, revised in accordance with referee's comments

Scientific paper

10.1051/0004-6361:20078227

We have studied the nearby old pulsar PSR B1929+10 and its surrounding interstellar medium utilizing the sub-arcsecond angular resolution of the Chandra X-ray Observatory. The Chandra data are found to be fully consistent with the results obtained from deep XMM-Newton observations as far as the pulsar is concerned. We confirm the non-thermal emission nature of the pulsar's X-radiation. In addition to the X-ray trail already seen in previous observations by the ROSAT and XMM-Newton X-ray observatories, we discovered an arc-like nebula surrounding the pulsar. We interpret the feature as a bow-shock nebula and discuss its energetics in the context of standard shock theory.

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