Pulsar bow shocks as probes of warm neutral gas

Details Pulsar bow shocks as probes of warm neutral gas Pulsar bow shocks as probes of warm neutral gas

2003-09-26

arxiv.org/abs/astro-ph/0309740v1

Astronomy and Astrophysics

Astrophysics

4 pages, one gif figure. To appear in the proceedings of "How does the Galaxy work? A Galactic Tertulia with Don Cox and Ron R

Scientific paper

Pulsars have mean space velocities >~500 km/s. The consequent ram pressure results in tight confinement of the star's energetic wind, driving a bow shock into the surrounding medium. Pulsar bow shocks have long been regarded as a curiosity, but new optical and X-ray observations are both rapidly expanding the sample of such sources, and are offering new ways to probe the interaction between pulsars and their environments. Here we discuss some of these new results, and explain how these data can be used to probe the density and structure of neutral gas in the interstellar medium.

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