大須賀 健(オオスガ ケン)
- 論文
- General Relativistic Radiation Magnetohydrodynamics Simulations of Black Hole Accretion Disks: Comparison of Methods Based on Variable Eddington Tensor and Based on M1 Closure
Asahina Yuta; Ohsuga Ken
ASTROPHYSICAL JOURNAL/929(1)/pp.93-102, 2022-04 - Polarization images of accretion flow around supermassive black holes: Imprints of toroidal field structure
Tsunetoe Yuh; Mineshige Shin; Ohsuga Ken; Kawashima T...
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/73(4)/pp.912-928, 2021-08 - Hoyle-Lyttleton accretion on to black hole accretion disks with super-Eddington luminosity for dusty gas
Ogata Erika; Ohsuga Ken; Yajima Hidenobu
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/73(4)/pp.929-942, 2021-08 - Radiation hydrodynamics simulations of line-driven AGN disc winds: metallicity dependence and black hole growth
Nomura Mariko; Omukai Kazuyuki; Ohsuga Ken
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY/507(1)/pp.904-913, 2021-10 - Variability of Comptonized X-ray spectra of a super-Eddington accretor: Approach using Boltzmann radiation transport
Ogawa Takumi; Ohsuga Ken; Makino Yoshihiro; Mineshige ...
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/73(3)/pp.701-715, 2021-06 - The origins and impact of outflow from super-Eddington flow
Kitaki Takaaki; Mineshige Shin; Ohsuga Ken; Kawashima ...
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/73(2)/pp.450-466, 2021-04 - UV line-driven disc wind as the origin of UltraFast Outflows in AGN
Mizumoto Misaki; Nomura Mariko; Done Chris; Ohsuga Ken; O...
Monthly Notices of the Royal Astronomical Society/503(1)/pp.1442-1458, 2021-05 - The thermalradiative wind in the neutron star low-mass X-ray binary GX 13 + 1
Tomaru Ryota; Done Chris; Ohsuga Ken; Odaka Hirokazu; Tak...
Monthly Notices of the Royal Astronomical Society, 2020-08 - Radiation Magnetohydrodynamic Simulations of Sub-Eddington Accretion Flows in AGNs: Origin of Soft X-Ray Excess and Rapid Time Variabilities
Igarashi Taichi; Kato Yoshiaki; Takahashi Hiroyuki R.; Oh...
ASTROPHYSICAL JOURNAL/902(2), 2020-10 - A Numerical Scheme for General Relativistic Radiation Magnetohydrodynamics Based on Solving a Grid-based Boltzmann Equation
Asahina Yuta; Takahashi Hiroyuki R.; Ohsuga Ken
ASTROPHYSICAL JOURNAL/901(2), 2020-10 - The thermal-radiative wind in low mass X-ray binary H 1743-322-II. iron line predictions from Monte Carlo radiation transfer
Tomaru Ryota; Done Chris; Ohsuga Ken; Odaka Hirokazu; Tak...
Monthly Notices of the Royal Astronomical Society/494(3)/pp.3413-3421, 2020-04 - Line-driven disc wind in near-Eddington active galactic nuclei: decrease of mass accretion rate due to powerful outflow
Nomura Mariko; Ohsuga Ken; Done Chris
Monthly Notices of the Royal Astronomical Society/494(3)/pp.3616-3626, 2020-04 - Polarization imaging of M 87 jets by general relativistic radiative transfer calculation based on GRMHD simulations
Tsunetoe Yuh; Mineshige Shin; Ohsuga Ken; Kawashima Tomo...
Publications of the Astronomical Society of Japan/72(2), 2020-04 - Pulsed fraction of super-critical column accretion flows on to neutron stars: Modeling of ultraluminous X-ray pulsars
Inoue Akihiro; Ohsuga Ken; Kawashima Tomohisa
Publications of the Astronomical Society of Japan/72(2), 2020-04 - Super-critical column-accretion onto strongly magnetized neutron stars in ULX pulsars
Kawashima Tomohisa; Ohsuga Ken
Publications of the Astronomical Society of Japan/72(1), 2020-02 - The thermal-radiative wind in low mass X-ray binary H 1743-322; Radiation hydrodynamic simulations
Tomaru Ryota; Done Chris; Ohsuga Ken; Nomura Mariko; Taka...
Monthly Notices of the Royal Astronomical Society/490(3)/pp.3098-3111, 2019-10 - Super-Eddington growth of black holes in the early Universe: effects of disk radiation spectra
Takeo Eishun; Inayoshi Kohei; Ohsuga Ken; Takahashi Hiro...
Monthly Notices of the Royal Astronomical Society/488(2)/pp.2689-2700, 2019-09 - Systematic two-dimensional radiation-hydrodynamic simulations of super-Eddington accretion flow and outflow: Comparison with the slim disk model
Kitaki Takaaki; Mineshige Shin; Ohsuga Ken; Kawashima ...
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/70(6), 2018-12 - Rapid growth of black holes accompanied with hot or warm outflows exposed to anisotropic super-Eddington radiation
Takeo Eishun; Inayoshi Kohei; Ohsuga Ken; Takahashi Hiro...
Monthly Notices of the Royal Astronomical Society, 2018-05 - Magnetohydrodynamic Simulations of a Plunging Black Hole into a Molecular Cloud
Nomura Mariko; Oka Tomoharu; Yamada Masaya; Takekawa ...
ASTROPHYSICAL JOURNAL/859(1), 2018-05 - Three-dimensional structure of clumpy outflow from supercritical accretion flow onto black holes
Kobayashi Hiroshi; Ohsuga Ken; Takahashi Hiroyuki R.; Kaw...
Publications of the Astronomical Society of Japan, 2018-03 - Supercritical Accretion onto a Non-magnetized Neutron Star: Why is it Feasible?
Takahashi Hiroyuki R.; Mineshige Shin; Ohsuga Ken
The Astrophysical Journal, 2018-01 - Theoretical modeling of Comptonized X-ray spectra of super-Eddington accretion flow: Origin of hard excess in ultraluminous X-ray sources
Kitaki Takaaki; Mineshige Shin; Ohsuga Ken; Kawashima To...
Publications of the Astronomical Society of Japan, 2017-12 - General Relativistic Radiation MHD Simulations of Supercritical Accretion onto a Magnetized Neutron Star: Modeling of Ultraluminous X-Ray Pulsars
Takahashi Hiroyuki R.; Ohsuga Ken
The Astrophysical Journal Letters, 2017-08 - Superluminous Transients at AGN Centers from Interaction between Black Hole Disk Winds and Broad-line Region Clouds
Moriya Takashi J.; Tanaka Masaomi; Morokuma Tomoki; Ohsug...
The Astrophysical Journal Letters, 2017-07 - さらに表示...
- General Relativistic Radiation Magnetohydrodynamics Simulations of Black Hole Accretion Disks: Comparison of Methods Based on Variable Eddington Tensor and Based on M1 Closure