コンプトン散乱を考慮した超臨界降着流の2次元輻射流体シミュレーション(宇宙・惑星(3),一般講演)

概要

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We performed two-dimentional radiation-hydrodynamic simulations of supercritical accretion onto a black hole including Compton scattering. We confirmed that the gas temperature in the outflow region decreases from 10^9-10^<11>K for the model without Comptonization to about 10^8K by the Compton cooling. It is found that Compton y-parameter increases with the mass supply rate, so the photon spectrum becomes harder when the luminosity is higher.
2008-09-04