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The X-ray spectral and timing properties of a major radio flare episode in Cygnus X-3

机译：Cygnus X-3主要无线电耀斑集中的X射线光谱和定时特性

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The microquasar Cygnus X-3 is known for massive outbursts that emit radiation from radio to γ-rays associated with jet ejection events. Using Principal Component Analysis to probe fast (~1 min) X-ray spectral evolution followed by subsequent spectral fits to the time-averaged spectra (~3 ks), we find that the overall X-ray variability during major outbursts can be attributed to two components. The spectral evolution of these components are best fitted with hybrid Comptonization and thermal bremsstrahlung components. Most of the X-ray variability is attributed to the hybrid Comptonization component. However, the spectral evolution of the thermal component is linked to a change in the X-ray spectral state. Phase-folding the fit results shows that the thermal component is restricted to two orbital phase regions opposite to each other, possibly indicating a flattened stellar wind from the Wolf-Rayet companion.
机译：微蛋白酶的Cygnus X-3是已知的大规模爆发，其发射与与喷射喷射事件相关的无线电的辐射到γ射线。使用主成分分析来探测快速（〜1分钟）X射线光谱演化，然后是随后的频谱配合到时间平均光谱（〜3 ks），我们发现主要爆发期间的整体X射线变异可归因于两个组件。这些组分的光谱演化最适合于混合性复合化和热Bremsstrahlung组件。大多数X射线可变性都归因于混合Comptonization组件。然而，热分量的光谱演化与X射线光谱状态的变化相关联。相位折叠拟合结果表明，热部件限于彼此相反的两个轨道相区域，可能指示来自狼思维伴侣的扁平恒星风。

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