Blazars的耀斑模式
Flaring Patterns in Blazars
摘要：
耀变体是由沿着我们视线的超大质量黑洞发射的相对论性喷流辐射出来的; FSRQs的子类表现出宽的发射线，这是富含气体的环境和高吸积率的标志，与BL Lacertae天体的另一子类相反。我们表明，这种二分法的来源在物理性质的提高，在他们的燃烧活动。BL Lac耀斑产生的光谱证据表明，它是由喷流中高度相对论性电子的进一步加速驱动的。在这里，我们讨论的光谱拟合的多λ数据的强耀斑的两个平谱射电类星体3C 454.3和3C 279最近发现的伽马射线的AGILE和费米卫星。我们发现，最佳的光谱拟合提供的外部康普顿辐射增强生产的热种子光子不断增长的吸积。我们发现这样的耀斑跟踪模式的喷流电力电子能量平面上，偏离那些随后由耀斑BL湖，并讨论为什么会发生这些。
英文摘要：
Blazars radiate from relativistic jets launched by a supermassive black hole along our line of sight; the subclass of FSRQs exhibits broad emission lines, a telltale sign of a gas-rich environment and high accretion rate, contrary to the other subclass of the BL Lacertae objects. We show that this dichotomy of the sources in physical properties is enhanced in their flaring activity. The BL Lac flares yielded spectral evidence of being driven by further acceleration of highly relativistic electrons in the jet. Here we discuss spectral fits of multi-lambda data concerning strong flares of the two flat spectrum radio quasars 3C 454.3 and 3C 279 recently detected in gamma rays by the AGILE and Fermi satellites. We find that optimal spectral fits are provided by external Compton radiation enhanced by increasing production of thermal seed photons by growing accretion. We find such flares to trace patterns on the jet power - electron energy plane that diverge from those followed by flaring BL Lacs, and discuss why these occur.
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