共 3 条
LIMITS TO THE PHYSICAL PARAMETERS IN EXTRAGALACTIC GAMMA-RAY SOURCES
被引:3
作者:
Derishev, E. V.
[1
]
机构:
[1] Inst Appl Phys, Nizny Novgorod 603950, Russia
来源:
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
|
2009年
/
18卷
/
10期
关键词:
Non-thermal gamma-rays;
active galactic nuclei;
gamma-ray bursts;
VARIABILITY;
D O I:
10.1142/S0218271809015448
中图分类号:
P1 [天文学];
学科分类号:
0704 ;
摘要:
We examine several constraints on the physical parameters in active galactic nuclei and gamma-ray burst, originating from the assumption that these sources are efficient in converting their energy into gamma-rays. It is shown that in most cases these constraints may be reformulated in terms of bounds on the jet Lorentz factor, for which both the lower and the upper limits can be evaluated.
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页码:1523 / 1527
页数:5
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