Can I read Large-scale outflow structure and radiation properties of super-Eddington flow: Dependence on the accretion rates on EtoBox?

Large-scale outflow structure and radiation properties of super-Eddington flow: Dependence on the accretion rates by Yoshioka, Shogo; Mineshige, Shin; Ohsuga, Ken; Kawashima, Tomohisa; Kitaki, Takaaki is a scholarly article available to read on EtoBox.

What is Large-scale outflow structure and radiation properties of super-Eddington flow: Dependence on the accretion rates about?

In order to precisely evaluate the impacts by super-Eddington accretors to their environments, it is essential to assure a large enough simulation box and long computational time to avoid any artefacts from numerical settings as much as possible. In this paper, we carry out axisymmetric two-dimensional radiation hydrodynamic simulations around a $10~M_\odot$ black hole in large simulation boxes and study the large-scale outflow structure and radiation properties of super-Eddington accretion flow for a variety of black hole accretion rates, ${\dot M}_{\rm BH} = (110 - 380) ~L_{\rm Edd}/c^2$. The Keplerian radius of the inflow material, at which centrifugal force balances with gravitational force, is fixed to 2430 Schwarzschild radii.We find that the mechanical luminosity grows more rapidly than the radiation luminosity with an increase of ${\dot M}_{\rm BH}$. When seen from a nearly face-on direction, especially, the isotropic mechanical luminosity grows in proportion to ${\dot M}_{\rm BH}^{2.7}$, while the total mechanical luminosity is proportional to ${\dot M}_{\rm BH}^{1.7}$. The reason for the former is that the higher ${\dot M}_{\rm BH}$ is, the more vertically inflated become

Author

Yoshioka, Shogo; Mineshige, Shin; Ohsuga, Ken; Kawashima, Tomohisa; Kitaki, Takaaki

Published

2022

Language

EN