大須賀 健(オオスガ ケン)

研究者情報全体を表示

論文

• RAIKOU ((sic)): A General Relativistic, Multiwavelength Radiative Transfer Code
  Kawashima Tomohisa; Ohsuga Ken; Takahashi Hiroyuki R.
  ASTROPHYSICAL JOURNAL/949(2), 2023-06
• QWIND3: UV line-driven accretion disc wind models for AGN feedback
  Quera-Bofarull Arnau; Done Chris; Lacey Cedric G.; Nom...
  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY/518(2)/pp.2693-2711, 2023-01
• 3D photon conserving code for time-dependent general relativistic radiative transfer: CARTOON
  Takahashi Mikiya M; Ohsuga Ken; Takahashi Rohta; Ogawa T...
  Monthly Notices of the Royal Astronomical Society/517(3)/pp.3711-3722, 2022-12
• Diverse Polarimetric Features of AGN Jets from Various Viewing Angles: Towards a Unified View
  Tsunetoe Yuh; Mineshige Shin; Kawashima Tomohisa; Ohsuga ...
  GALAXIES/10(5), 2022-05
• Large-scale outflow structure and radiation properties of super-Eddington flow: Dependence on the accretion rates
  Yoshioka Shogo; Mineshige Shin; Ohsuga Ken; Kawashima ...
  PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/74(6)/pp.1378-1395, 2022-12
• Component of Energy Flow from Supercritical Accretion Disks Around Rotating Stellar Mass Black Holes
  Utsumi Aoto; Ohsuga Ken; Takahashi Hiroyuki R.; Asahin...
  ASTROPHYSICAL JOURNAL/935(1), 2022-08
• Investigating the Disk-Jet Structure in M87 through Flux Separation in the Linear and Circular Polarization Images
  Tsunetoe Yuh; Mineshige Shin; Kawashima Tomohisa; Ohsuga ...
  The Astrophysical Journal/931(1)/pp.25-50, 2022-05
• Structure of the super-Eddington outflow and its impact on the cosmological scale
  Botella Ignacio; Mineshige Shin; Kitaki Takaaki; Ohsuga ...
  PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN/74(2)/pp.384-397, 2022-04
• 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
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