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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Photosphere, thermalization surface and spectra of black hole accretion flows under electron scattering
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Photosphere, thermalization surface and spectra of black hole accretion flows under electron scattering

机译：电子散射下的光球，热化表面和黑洞积积流

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摘要

We examine the expected spectra of black hole accretion flows, which are assumed to be steady and spherically symmetric, considering the separation of the apparent photosphere and thermalization surface under electron scattering. Although the flow itself is spherical, the apparent shape of the photosphere is not spherical, since the density distribution gradually decreases with radius. Furthermore, due to electron scattering, the thermalization surface decouples with the photosphere, and is located deep inside the photosphere for scattering-dominated flows. Since the shape of the thermalization surface is also aspherical, the temperature there is not uniform, which causes a strong limb-darkening effect, and we may observe a non-blackbody spectrum with multi-color-type.
机译：考虑到在电子散射下表观光球和热化表面的分离，我们检查了假定为稳定且球形对称的黑洞积聚流的预期光谱。尽管流本身是球形的，但光球的外观不是球形，因为密度分布随半径逐渐减小。此外，由于电子散射，热化表面与光球解耦，并位于光球内部深处，以散射为主的流动。由于热化表面的形状也是非球面的，因此温度不均匀，这会导致强烈的肢体变暗效果，并且我们可能会观察到具有多种颜色的非黑体光谱。

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