The Guitar Nebula: A Bow Shock that Traces ISM Turbulence and Accelerates Relativistic Particles

Details The Guitar Nebula: A Bow Shock that Traces ISM Turbulence and Accelerates Relativistic Particles The Guitar Nebula: A Bow Shock that Traces ISM Turbulence and Accelerates Relativistic Particles

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hst..prop10763c&link_type=abstract

HST Proposal ID #10763

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Hst Proposal Id #10763

Scientific paper

We propose joint Chandra and HST observations of the Guitar Nebula, an extraordinary bow-shock nebula produced by a very high-velocity but otherwise ordinary pulsar. Prior HST observations show epoch dependent changes in shock structure that signify changing ISM conditions. An enigmatic jet or filament is seen in a Chandra ACIS image {year 2000}, unlike jets from the Crab or other young pulsars. New Chandra observations will reveal the relative motion of the jet and the pulsar {which has moved by 0.9 arcsec} and thus determine if self confinement or special structure in the ISM plays a dominant role in shaping the jet, and will constrain the particle acceleration mechanism. We request joint high-resolution HST observations to contemporaneously determine the ISM density profile.

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