The X-ray emission of the Centaurus A jet

被引:17
作者
Birk, GT [1 ]
Lesch, H [1 ]
机构
[1] Univ Munich, Inst Astron & Astrophys, D-81679 Munich, Germany
关键词
acceleration of particles; galaxies : active; galaxies : individual (Centaurus A); galaxies : jets; X-rays : galaxies;
D O I
10.1086/312498
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The extended nonthermal X-ray emission of extragalactic jets like Centaurus A can only be explained by in situ particle acceleration. The only energy source in the entire jet region is the magnetic field. Magnetic reconnection can convert the free energy stored in the helical configuration to particle kinetic energy. In the collisionless magnetized jet plasma, the inertia-driven reconnection is operating in a highly filamentary magnetic flux rope, and this results in a continuously charged particle acceleration. The synchrotron radiation of these particles can cause the observed X-ray emission in Centaurus A.
引用
收藏
页码:L77 / L79
页数:3
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