BLAZAR FLARES FROM COMPTON DRAGGED SHELLS

被引：3
作者：
Golan, Omri [1 ]
Levinson, Amir [1 ]
机构：
[1] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel
来源：
ASTROPHYSICAL JOURNAL | 2015年 / 809卷 / 01期
基金：
以色列科学基金会;
关键词：
galaxies: active; quasars: general; radiation mechanisms: non-thermal; X-rays: galaxies; RADIATION DRAG; TEV EMISSION; GAMMA-RAYS; JETS; ACCELERATION; LOCATION; SCENARIO; MODEL; M87;
D O I：
10.1088/0004-637X/809/1/23
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the dynamics and emission of dissipative shells that are subject to a strong Compton drag, under simplifying assumptions about the dissipation mechanism. We show that under conditions prevailing in blazars, substantial deceleration is anticipated on sub-parsec and parsec scales in cases of rapid dissipation. Such episodes may be the origin of some of the flaring activity occasionally observed in gamma-ray blazars. The shape of the light curves thereby produced reflects the geometry of the emitting surface if the deceleration is very rapid, or the dynamics of the shell if the deceleration is delayed, or initially more gradual, owing, e.g., to continuous injection of energy and momentum.
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页数：9
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