Interaction between high-velocity pulsar in CTB80 and an infrared emission shell

Astronomy and Astrophysics – Astronomy

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Infrared Sources (Astronomy), Interstellar Matter, Pulsars, Stellar Evolution, Supernova Remnants, Infrared Astronomy Satellite, Radio Sources (Astronomy), Stellar Envelopes, X Ray Sources

Scientific paper

During a survey of infrared emission detected by IRAS from shock-heated dust associated with Galactic SNRs, a roughly 1 deg diameter supernova remnant shell centered 30 arcmin east of SNR CTB80's core was discovered. The pulsar's projected location inside this infrared emission shell, together with similar distance and age estimates, suggest that both the shell and pulsar were produced by the same supernova event. It is proposed that the interaction between the pulsar's energetic particle emission and the shell's compressed interstellar magnetic field can explain CTB80's remarkable radio structure, and the implications of such pulsar/SNR interactions are discussed.

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