Publications (35)
Radiation hydrodynamics simulations of wide-angle outflows from super-critical accretion disks around black holes
Katsuya Hashizume, Ken Ohsuga, Tomohisa Kawashima +1
Two dimensional numerical simulations of Supercritical Accretion Flows revisited
Xiao-Hong Yang, Feng Yuan, Ken Ohsuga +1
New Spectral State of Supercritical Accretion Flow with Comptonizing Outflow
Tomohisa Kawashima, Ken Ohsuga, Shin Mineshige +3
Super-Eddington growth of black holes in the early Universe: effects of disk radiation spectra
Eishun Takeo, Kohei Inayoshi, Ken Ohsuga +2
Line-driven disk wind model for ultra-fast outflows in active galactic nuclei -- Scaling with luminosity
Mariko Nomura, Ken Ohsuga
Formation of Obscuring Walls by Radiation Force from Circumnuclear Starbursts and Implications for Starburst-Active Galactic Nucleus Connection
Ken Ohsuga, Masayuki Umemura
General relativistic radiation magnetohydrodynamics simulations of supercritical accretion onto magnetized neutron star; -modeling of ultra luminous x-ray pulsars
Hiroyuki R. Takahashi, Ken Ohsuga
Comparison between RHD simulation of supercritical accretion flows and steady model with outflows
Cheng-Liang Jiao, Shin Mineshige, Shun Takeuchi +1
Superluminous transients at AGN centers from interaction between black-hole disk winds and broad-line region clouds
Takashi J. Moriya, Masaomi Tanaka, Tomoki Morokuma +1
Global Structure of Three Distinct Accretion Flows and Outflows around Black Holes through Two-Dimensional Radiation-Magnetohydrodynamic Simulations
Ken Ohsuga, Shin Mineshige
Systematic two-dimensional radiation hydrodynamic simulations of super-Eddington accretion flow and outflow: Comparison with the slim disk model
Takaaki Kitaki, Shin Mineshige, Ken Ohsuga +1
Discovery of Dramatic Optical Variability in SDSS J1100+4421: A Peculiar Radio-Loud Narrow-Line Seyfert 1 Galaxy?
Masaomi Tanaka, Tomoki Morokuma, Ryosuke Itoh +55
Formation of Overheated Regions and Truncated Disks around Black Holes; Three-dimensional General Relativistic Radiation-magnetohydrodynamics Simulations
Hiroyuki R. Takahashi, Ken Ohsuga, Tomohisa Kawashima +1
Magnetohydrodynamic Simulations of a Plunging Black Hole into a Molecular Cloud
Mariko Nomura, Tomoharu Oka, Masaya Yamada +4
Three-dimensional structure of clumpy outflow from supercritical accretion flow onto black holes
Hiroshi Kobayashi, Ken Ohsuga, Hiroyuki R. Takahashi +4
New Method for Exploring Super-Eddington AGNs by Near-infrared Observations
Nozomu Kawakatu, Ken Ohsuga
Radiation Magnetohydrodynamics Simulation of Proto-Stellar Collapse: Two-Component Molecular Outflow
Kengo Tomida, Kohji Tomisaka, Tomoaki Matsumoto +3
Modified Slim-Disk Model Based on Radiation-Hydrodynamic Simulation Data: The Conflict Between Outflow and Photon Trapping
Shun Takeuchi, Shin Mineshige, Ken Ohsuga
Why Is Supercritical Disk Accretion Feasible?
Ken Ohsuga, Shin Mineshige
Formation of Large-Scale Obscuring Wall and AGN Evolution Regulated by Circumnuclear Starbursts
Ken Ohsuga, Masayuki Umemura
Instability of Population III Black Hole Accretion Disks
Ken Ohsuga, Hajime Susa, Yosuke Uchiyama
Two-dimensional Radiation-hydrodynamic Model for Supercritical Disk Accretion Flows onto Neutron Stars
Ken Ohsuga
Radiation Hydrodynamic Simulations of Line-Driven Disk Winds for Ultra Fast Outflows
Mariko Nomura, Ken Ohsuga, Hiroyuki R. Takahashi +2
Does the Slim-Disk Model Correctly Consider Photon-Trapping Effects?
Ken Ohsuga, Shin Mineshige, Masao Mori +1
Supercritical Accretion onto a Non-Magnetized Neutron Star: Why is it Feasible?
Hiroyuki R. Takahashi, Shin Mineshige, Ken Ohsuga
Radiation Drag Effects in Black Hole Outflows from Super-critical Accretion Disks via Special Relativistic Radiation Magnetohydrodynamics Simulations
Hiroyuki R. Takahashi, Ken Ohsuga
Explicit-Implicit Scheme for Relativistic Radiation Hydrodynamics
Hiroyuki R. Takahashi, Ken Ohsuga, Yuichiro Sekiguchi +2
Global Radiation-Magnetohydrodynamic Simulations of Black Hole Accretion Flow and Outflow: Unified Model of Three States
Ken Ohsuga, Shin Mineshige, Masao Mori +1
Circumnuclear obscuration of the Circinus galaxy by a starburst-radiation supported wall
Ken Ohsuga, Masayuki Umemura
Theoretical modeling of Comptonized X-ray spectra of super-Eddington accretion flow: origin of hard excess in Ultraluminous X-Ray Sources
Takaaki Kitaki, Shin Mineshige, Ken Ohsuga +1
Multi-dimensional Treatment of Photon Emission from Accretion Disks around Black Holes
Kazunori Kohri, Ken Ohsuga, Ramesh Narayan
Recurrent Outbursts and Jet Ejections Expected in Swift J1644+57: Limit-Cycle Activities in a Supermassive Black Hole
Tomohisa Kawashima, Ken Ohsuga, Ryuichi Usui +3
Spectroscopy along Multiple, Lensed Sightlines through Outflowing Winds in the Quasar SDSS J1029+2623
Toru Misawa, Naohisa Inada, Ken Ohsuga +3
Modeling line-driven disk wind for broad absorption lines of quasars
Mariko Nomura, Ken Ohsuga, Keiichi Wada +2
A radiation-hydrodynamic model of accretion columns for ultra-luminous X-ray pulsars
Tomohisa Kawashima, Shin Mineshige, Ken Ohsuga +1