Variability of Spectral Energy Distribution of Blazar S5 0716+714

被引:2
作者
Rani, B. [1 ]
Gupta, Alok C. [1 ]
Wiita, Paul J. [2 ]
机构
[1] Aryabhatta Res Inst Observat Sci ARIES, Naini Tal 263129, India
[2] Coll New Jersey, Dept Phys, Ewing, NJ 08628 USA
基金
美国国家科学基金会;
关键词
Galaxies: active; galaxies: quasars: individual: S5 0716+714; EXTRAGALACTIC RADIO-SOURCES; OPTICAL INTRADAY VARIABILITY; BL-LAC OBJECTS; ELECTRON ACCELERATION; PERIODIC OSCILLATIONS; 87; GHZ; EMISSION; QUASARS;
D O I
10.1007/s12036-011-9055-y
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The emission from blazars is known to be variable at all wavelengths. The flux variability is often accompanied by spectral changes. Spectral energy distribution (SED) changes must be associated with changes in the spectra of emitting electrons and/or the physical parameters of the jet. Meaningful modeling of blazar broadband spectra is required to understand the extreme conditions within the emission region. Not only is the broadband SED crucial, but also information about its variability is needed to understand how the highest states of emission occur and how they differ from the low states. This may help in discriminating between models. Here we present the results of our SED modeling of the blazar S5 0716+714 during various phases of its activity. The SEDs are classified into different bins depending on the optical brightness state of the source.
引用
收藏
页码:217 / 222
页数:6
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