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Title:
Evidence for a Pulsar Jet Producing a Hot Nebula in the Supernova Remnant MSH 15-52
Authors:
Tamura, Keisuke; Kawai, Nobuyuki; Yoshida, Atsumasa; Brinkmann, Wolfgang
Affiliation:
AA(The Institute of Physical and Chemical Research(RIKEN) 2-1 Hirosawa, Wako, Saitama 351-01), AB(The Institute of Physical and Chemical Research(RIKEN) 2-1 Hirosawa, Wako, Saitama 351-01), AC(The Institute of Physical and Chemical Research(RIKEN) 2-1 Hirosawa, Wako, Saitama 351-01), AD(Max-Planck-Institut fur extraterrestrische Physik, Garching, Germany)
Publication:
Publ. of the Astronomical Society of Japan, v.48, p.L33-L36. (PASJ Homepage)
Publication Date:
06/1996
Origin:
PASJ
PASJ Keywords:
ASTROPHYSICAL JETS, PULSARS, SUPERNOVAE, SUPERNOVA REMNANTS, X- RAYS: SOURCES
Bibliographic Code:
1996PASJ...48L..33T

Abstract

We have discovered direct evidence for a pulsar jet from the young X-ray and radio pulsar PSR 1509-58 in the supernova remnant MSH 15-52 with the X-ray astronomy satellite ASCA. With its high-energy resolution combined with its imaging capability over a wide energy band, ASCA has studied the two morphologically and spectroscopically different components in this supernova remnant: a non-thermal nebula powered by the pulsar with a jet-like structure, and a hot thermal plasma cloud located at the end of the ``jet''. We propose that the jet is a stream of relativistic electrons generated by the pulsar, and that the thermal nebula is created by the collision of the jet with interstellar matter. This scenario can explain the peculiar X-ray morphology and the energy budget of MSH 15-52 cons istently.

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