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arXiv 0707.1844astro-ph
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微类星体SS433中的Gamma-ray吸收

Gamma-ray absorption in the microquasar SS433

Matias M. Reynoso, Hugo R. Christiansen, Gustavo E. Romero

摘要:

本文讨论了微类星体SS433内区的γ射线吸收。我们的调查包括几个贡献,这个系统的不透明性。它们是由主恒星(可能是A型超巨星)和黑洞周围的一个非常大的圆盘产生的环境场造成的。除了每次恒星穿过发射区时发生的尖锐和戏剧性的吸收效应外,我们还发现来自扩展盘的紫外光子场是吸收非常高能量伽马射线的重要来源。这导致了周期性的伽马射线观测特征。

英文摘要:

We discuss the gamma-ray absorption in the inner region of the microquasar SS433. Our investigation includes several contributions to the opacity of this system. They result from the ambient fields generated by the primary star, possibly an A-type supergiant, and a very extended disk around the black hole. Besides the sharp and dramatic absorption effect that occurs every time the star crosses the emission zone, we find in the UV photon field from the extended disk an important source of absorption for very high energy gamma-rays. This results in periodic gamma-ray observational signatures.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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