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X-RAY SPECTRA OF Z SOURCES

机译:Z源的X射线光谱

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摘要

A physically consistent model has been proposed that seeks to explain in a unified way the X-ray spectra and rapid variability of the Z sources and other weakly magnetic neutron stars in low-mass systems. Here we describe a simple, four-parameter spectral model derived from the unified model that accurately reproduces the X-ray colors, spectra, and count rates of the Z sources. In this model, photons are produced primarily by electron cyclotron emission in the neutron star magnetosphere and are then Comptonized in the magnetosphere, hot central corona, and inward radial flow. In addition to explaining their Z tracks, the model explains several other previously unexplained properties of the Z sources.
机译:已经提出了一个物理上一致的模型,该模型试图以统一的方式解释低质量系统中Z射线源和其他弱磁中子星的X射线光谱和快速变化。在这里,我们描述了一个从统一模型派生而来的简单的四参数光谱模型,该模型可以精确地重现X射线源的X射线颜色,光谱和计数率。在该模型中,光子主要是由中子星磁层中的电子回旋加速器产生的,然后在磁层,中心热电晕和径向向内流中被补偿。除了解释其Z轨迹外,该模型还解释了Z源的其他一些以前无法解释的特性。

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