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Ultra-luminous X-ray sources as supercritical accretion disks: Spectral energy distributions

Vinokurov, A.; Atapin, K.; Fabrika, S.

We describe a model of spectral energy distribution in supercritical accretion disks (SCAD) based on the conception by Shakura and Sunyaev. We apply this model to five ultra-luminous X-ray sources (ULXs). In this approach, the disk becomes thick at distances to the center less than the spherization radius, and the temperature dependence is T ∝ r