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Dust Effect in Gamma-ray-loud Blazars
Alternative Titleγ射线噪Blazar天体中尘埃的作用
Xie GZ(谢光中); Mei DC(梅冬成); Bai JM(白金明)
Source Publication紫金山天文台台刊
Contribution Rank第1完成单位
Indexed By其他
KeywordBlazar天体 观测 辐射机制 非热辐射和热辐射
AbstractUsing a sample of 59 γ-ray-lound blazars with observed data of flux and spectral index in multiw avebands,we have studied the possible correlations of flux densities and the spectral index for different wavebands in low state. New possible constrains on the γ-ray emission is discussed from theory deeply. The results suggest that (1)the synchrotron self-Compton mechanism should be main responsible for the γ-ray f rom the blazars;(2)inverse Compton scattering of the radiation f rom ho t circumnuclear by beamed ult relativistic electrons is another important mechanism ;(3)BL Lac objects are not “pure nonthermal objects” and they are the thermal emit ting sources.
Other Abstract利用具有多波段谱指数及流量观测资料的59 个Blazar 天体作为样本,我们研究了各波段流量之间,谱指数之间的可能的相关性。新的可能的限制已从理论上进行了深入地讨论。结果暗示:(1) 同步自康普顿机制是Blazar 天体γ射线辐射的主要机制。(2) 相对论电子与吸收积盘热光子的逆康普顿散射是Blazar 天体γ射线产生的另一个重要机制。(3)BLLac 天体不是“纯非热辐射”的天体,它们也具有强的热辐射。
Subject Area天文学
Document Type期刊论文
Recommended Citation
GB/T 7714
Xie GZ,Mei DC,Bai JM. Dust Effect in Gamma-ray-loud Blazars[J]. 紫金山天文台台刊,1999,18(3):9-21.
APA 谢光中,梅冬成,&白金明.(1999).Dust Effect in Gamma-ray-loud Blazars.紫金山天文台台刊,18(3),9-21.
MLA 谢光中,et al."Dust Effect in Gamma-ray-loud Blazars".紫金山天文台台刊 18.3(1999):9-21.
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