17 citations · 69 across the 10 of their papers we have counts for
16 papers
Large-scale Dynamics of Winds Driven by Line Force from a Thin Accretion Disk
Yi Zhu, De-Fu Bu, Xiao-Hong Yang +2
Winds play a significant role in active galactic nuclei feedback process. Previous simulations studying winds only focus on a small dynamical range. Therefore, it is unknown how fa…
Dynamical and thermal properties of the parsec-scale gases spherically accreted onto low luminous active galactic nuclei
Han-Wen Sun, Xiao-Hong Yang
We analytically study the dynamical and thermal properties of the optically-thin gases at the parsec-scale when they are spherically accreted onto low luminous active galactic nucl…
Magnetohydrodynamic Winds Driven by the Line Force from the Standard Thin Disk around Supermassive Black Holes. I. The Case of Weak Magnetic Field
Xiao-Hong Yang, Kamarjan Ablimit, Qi-Xiu Li
Absorption lines with high blue-shifted velocities are frequently found in the ultraviolet (UV) and X-ray spectra of luminous active galactic nuclei (AGNs). This implies that high-…
Gas flows in an Active galactic nuclei. I. Two-phase gas inflow
De-Fu Bu, Xiao-Hong Yang, Bocheng Zhu
We perform two-dimensional hydrodynamic simulations to study the non-rotating gas flow in the region from 1-1000 parsec. This region connects the galaxy scale and the accretion dis…
Two-temperature radiative hot accretion flow around neutron stars
De-Fu Bu, Erlin Qiao, Xiao-Hong Yang
Numerical simulations of radiative two-temperature hot accretion flows (HAFs) around Neutron stars (NSs) are performed. We assume that all of the energy carried by the HAF around a…
Magnetohydrodynamic numerical simulation of the outflows driven by magnetic field and radiation force from the corona above a thin disk
Xiao-Hong Yang, De-Fu Bu, Qi-Xiu Li
A hot corona is suggested to be above the standard thin disk. The anisotropy of hard X-ray emission in radio-quiet active galactic nuclei implies that the corona is not static and…