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

来源：

ASTROPHYSICAL JOURNAL | 2000年 / 530卷 / 02期

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

页码：L77 / L79

页数：3

共 21 条

[11] Litvinenko YE, 1999, ASTRON ASTROPHYS, V349, P685
[12] THE ORIGIN OF COSMIC-RAYS ABOVE 10(18.5) EV
NORMAN, CA
MELROSE, DB
ACHTERBERG, A
[J]. ASTROPHYSICAL JOURNAL, 1995, 454 (01) : 60 - 68
[13] Parker E. N., 1994, Spontaneous Current Sheets in Magnetic Fields with Application to Stellar X-Rays
[14] MAGNETIC-FIELD ALIGNED ELECTRIC POTENTIALS IN NONIDEAL PLASMA FLOWS
SCHINDLER, K
HESSE, M
BIRN, J
[J]. ASTROPHYSICAL JOURNAL, 1991, 380 (01) : 293 - 301
[15] Particle acceleration in three-dimensional reconnection regions: A new test particle approach
Schopper, R
Birk, GT
Lesch, H
[J]. PHYSICS OF PLASMAS, 1999, 6 (11) : 4318 - 4327
[16] EINSTEIN OBSERVATIONS OF THE X-RAY STRUCTURE OF CENTAURUS-A - EVIDENCE FOR THE RADIO-LOBE ENERGY-SOURCE
SCHREIER, EJ
FEIGELSON, E
DELVAILLE, J
GIACCONI, R
GRINDLAY, J
SCHWARTZ, DA
FABIAN, AC
[J]. ASTROPHYSICAL JOURNAL, 1979, 234 (01) : L39 - &
[17] Collisionless reconnection and high-energy particle acceleration in solar flares
Somov, BV
Kosugi, T
[J]. ASTROPHYSICAL JOURNAL, 1997, 485 (02) : 859 - 868
[18] RELAXATION AND MAGNETIC RECONNECTION IN PLASMAS
TAYLOR, JB
[J]. REVIEWS OF MODERN PHYSICS, 1986, 58 (03) : 741 - 763
[19] Deconvolution of the X-ray emission and absorption components in Centaurus A
Turner, TJ
George, IM
Mushotzky, RF
Nandra, K
[J]. ASTROPHYSICAL JOURNAL, 1997, 475 (01) : 118 - 133
[20] VILLATA M, 1994, ASTRON ASTROPHYS, V284, P663

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