期刊
ASTROPHYSICS AND SPACE SCIENCE
卷 309, 期 1-4, 页码 253-259出版社
SPRINGER
DOI: 10.1007/s10509-007-9454-3
关键词
pulsars : individual : PSR B1259-63; X-rays : binaries; X-rays : individual : PSR B1259-63
We discuss the implications of the recent X-ray and TeV gamma-ray observations of the PSR B1259-63 system (a young rotation powered pulsar orbiting a Be star) for the theoretical models of interaction of pulsar and stellar winds. We show that previously considered models have problems to account for the observed behaviour of the system. We develop a model in which the broad band emission from the binary system is produced in result of collisions of GeV-TeV energy protons accelerated by the pulsar wind and interacting with the stellar disk. In this model the high energy gamma-rays are produced in the decays of secondary neutral pions, while radio and X-ray emission are synchrotron and inverse Compton emission produced by low-energy (<= 100 MeV) electrons from the decays of secondary charged pi(+/-) mesons. This model can explain not only the observed energy spectra, but also the correlations between TeV, X-ray and radio emission components.
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