Basic Information

Faculty

• 理学部

Professional Memberships

• 理論天文学宇宙物理学懇談会
• 日本天文学会

Academic Degree

• 修士（理学）(京都大学)
• 博士（理学）(京都大学)

Academic Resume (Graduate Schools)

• 京都大学, 大学院理学研究科修士課程物理学・宇宙物理学専攻, 修了
• 京都大学, 大学院理学研究科博士後期課程物理学・宇宙物理学専攻, 修了

Academic Resume (Undergraduate School/Majors)

• 京都大学, 総合人間学部基礎科学科, 卒業

High School

• High School

  大阪府立三国丘高等学校

Research History

• From Jul. 2016, To Present

  Kyoto University, 理学研究科物理学第二教室, 准教授
• From Sep. 2012, To Jul. 2016

  The university of Tokyo, Department of physics, Faculty of science, Assistant professor
• From Mar. 2011, To Aug. 2012

  NASA JPL, JSPS fellow for research abroad
• From Apr. 2010, To Feb. 2011

  Kyoto university, Department of physics, Faculty of science, research associate
• From Apr. 2007, To Mar. 2010

  NAOJ, Division of Theoretical Astronomy, JSPS research fellow (PD)
• From Apr. 2005, To Mar. 2007

  NAOJ, Division of Theoretical Astronomy, research associate

ID,URL

• ORCID ID

  0000-0003-3127-5982

• J-Global ID

  200901031750227792

• Researcher number

  30413967

• External link

  http://www-tap.scphys.kyoto-u.ac.jp/~hosokawa/index.html

Website(s) (URL(s))

• http://www-tap.scphys.kyoto-u.ac.jp/~hosokawa/index.html

researchmap URL

• https://researchmap.jp/read0132542

Research

Research Interests

• Astrophysics
• Astronomy

Research Areas

• Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
• Natural sciences, Astronomy

Papers

• Secret of Longevity: Protoplanetary Disks as a Source of Gas in Debris Disks

  Wataru Ooyama; Riouhei Nakatani; Takashi Hosokawa; Hiroto Mitani; Neal J. Turner

  The Astrophysical Journal, 16 Apr. 2025

  
• An analytic model of gravitational collapse induced by radiative cooling: Instability scale, density profile, and mass infall rate

  James Gurian; Boyuan Liu; Donghui Jeong; Takashi Hosokawa; Shingo Hirano; Naoki Yoshida

  Monthly Notices of the Royal Astronomical Society, 06 Jan. 2025

  
• Gravitational fragmentation of extremely metal-poor circumstellar discs

  Shima, Kazuhiro; Hosokawa, Takashi

  Monthly Notices of the Royal Astronomical Society, Dec. 2021

  
• Towards a universal analytical model for Population III star formation: interplay between feedback and fragmentation

  Boyuan Liu; James Gurian; Kohei Inayoshi; Shingo Hirano; Takashi Hosokawa; Volker Bromm; Naoki Yoshida

  Monthly Notices of the Royal Astronomical Society, 11 Sep. 2024

  
• Super-Eddington Mass Growth of Intermediate-mass Black Holes Embedded in Dusty Circumnuclear Disks

  Daisuke Toyouchi; Kohei Inayoshi; Takashi Hosokawa; Rolf Kuiper

  Astrophysical Journal, 01 Feb. 2021

  
• Failed and delayed protostellar outflows with high-mass accretion rates

  Masahiro N. Machida; Takashi Hosokawa

  Monthly Notices of the Royal Astronomical Society, 01 Dec. 2020

  
• Gas Dynamical Friction on Accreting Objects

  Tomoya Suzuguchi; Kazuyuki Sugimura; Takashi Hosokawa; Tomoaki Matsumoto

  The Astrophysical Journal, 22 Apr. 2024

  
• Observational signatures of forming young massive clusters: continuum emission from dense H ii regions

  Mutsuko Inoguchi; Takashi Hosokawa; Hajime Fukushima; Kei E I Tanaka; Hidenobu Yajima; Shin Mineshige

  Monthly Notices of the Royal Astronomical Society, 27 Oct. 2023

  
• Formation of Massive and Wide First-star Binaries in Radiation Hydrodynamic Simulations

  Kazuyuki Sugimura; Tomoaki Matsumoto; Takashi Hosokawa; Shingo Hirano; Kazuyuki Omukai

  The Astrophysical Journal, 30 Nov. 2023

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• Merger Conditions of Population III Protostar Binaries

  Takanobu Kirihara; Hajime Susa; Takashi Hosokawa; Tomoya Kinugawa

  The Astrophysical Journal, 01 Jun. 2023

  
• 3D Radiation-hydrodynamic Simulations Resolving Interior of Rapidly Accreting Primordial Protostar

  Kazutaka Kimura; Takashi Hosokawa; Kazuyuki Sugimura; Hajime Fukushima

  The Astrophysical Journal, 01 Jun. 2023

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• First galaxy SED: Contribution from pre-main-sequence stars

  Hiroto Mitani; Naoki Yoshida; Kazuyuki Omukai; Takashi Hosokawa

  Proceedings of the International Astronomical Union, Nov. 2019

  
• The formation and destruction of molecular clouds and galactic star formation

  Shu-ichiro Inutsuka; Tsuyoshi Inoue; Kazunari Iwasaki; Takashi Hosokawa

  Astronomy & Astrophysics, Jul. 2015, Peer-reviewed

  
• Multiple Feedback in Low-Metallicity Massive Star Formation

  Kei E. I. Tanaka; Jonathan C. Tan; Yichen Zhang; Takashi Hosokawa

  Proceedings of the International Astronomical Union, Aug. 2018, Peer-reviewed

  
• Protostellar-disc fragmentation across all metallicities

  Ryoki Matsukoba; Kei E. Tanaka; Kazuyuki Omukai; Eduard Vorobyov; Takashi Hosokawa

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Aug. 2022

  
• Gravitational wave physics and astronomy in the nascent era

  Makoto Arimoto; Hideki Asada; Michael L. Cherry; Michiko S. Fujii; Yasushi Fukazawa; Akira Harada; Kazuhiro Hayama; Takashi Hosokawa; Kunihito Ioka; Yoichi Itoh; Nobuyuki Kanda; Koji S. Kawabata; Kyohei Kawaguchi; Nobuyuki Kawai; Tsutomu Kobayashi; Kazunori Kohri; Yusuke Koshio; Kei Kotake; Jun Kumamoto; Masahiro N. Machida; Hideo Matsufuru; Tatehiro Mihara; Masaki Mori; Tomoki Morokuma; Shinji Mukohyama; Hiroyuki Nakano; Tatsuya Narikawa; Hitoshi Negoro; Atsushi Nishizawa; Takayuki Ohgami; Kazuyuki Omukai; Takanori Sakamoto; Shigeyuki Sako; Mahito Sasada; Yuichiro Sekiguchi; Motoko Serino; Jiro Soda; Satoshi Sugita; Kohsuke Sumiyoshi; Hajime Susa; Teruaki Suyama; Hirotaka Takahashi; Kazuya Takahashi; Tomoya Takiwaki; Takahiro Tanaka; Masaomi Tanaka; Ataru Tanikawa; Nozomu Tominaga; Nami Uchikata; Yousuke Utsumi; Mark R. Vagins; Kei Yamada; Michitoshi Yoshida

  PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, Mar. 2021

  
• Gravitational-Wave Radiation from Magnetized Accretion Disks

  MINESHIGE Shin; HOSOKAWA Takashi

  Soryushiron Kenkyu Electronics, 2003

  
• Merger Rate Density of Binary Black Holes through Isolated Population I, II, III and Extremely Metal-poor Binary Star Evolution

  Ataru Tanikawa; Takashi Yoshida; Tomoya Kinugawa; Alessandro A. Trani; Takashi Hosokawa; Hajime Susa; Kazuyuki Omukai

  The Astrophysical Journal, 01 Feb. 2022

  
• Impact of magnetic braking on high-mass close binary formation

  Naoto Harada; Shingo Hirano; Masahiro N Machida; Takashi Hosokawa

  Monthly Notices of the Royal Astronomical Society, 20 Oct. 2021

  
• Growth of Massive Disks and Early Disk Fragmentation in Primordial Star Formation

  Kazutaka Kimura; Takashi Hosokawa; Kazuyuki Sugimura

  ASTROPHYSICAL JOURNAL, Apr. 2021

  
• Cosmological direct-collapse black hole formation sites hostile for their growth

  Sunmyon Chon; Takashi Hosokawa; Kazuyuki Omukai

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Mar. 2021

  
• Disc fragmentation and intermittent accretion on to supermassive stars

  Ryoki Matsukoba; Eduard Vorobyov; Kazuyuki Sugimura; Sunmyon Chon; Takashi Hosokawa; Kazuyuki Omukai

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Jan. 2021

  
• Cosmological direct-collapse black hole formation sites hostile for their growth

  Chon, Sunmyon; Hosokawa, Takashi; Omukai, Kazuyuki

  Monthly Notices of the Royal Astronomical Society, Mar. 2021

  
• Star cluster formation and cloud dispersal by radiative feedback: dependence on metallicity and compactness

  Fukushima, Hajime; Yajima, Hidenobu; Sugimura, Kazuyuki; Hosokawa, Takashi; Omukai, Kazuyuki; Matsumoto, Tomoaki

  Monthly Notices of the Royal Astronomical Society, Aug. 2020, Peer-reviewed

  
• Factories of CO-dark gas: molecular clouds with limited star formation efficiencies by far-ultraviolet feedback

  Inoguchi, Mutsuko; Hosokawa, Takashi; Mineshige, Shin; Kim, Jeong-Gyu

  Monthly Notices of the Royal Astronomical Society, Aug. 2020, Peer-reviewed

  
• Formation of massive stars under protostellar radiation feedback: very metal-poor stars

  Fukushima, Hajime; Hosokawa, Takashi; Chiaki, Gen; Omukai, Kazuyuki; Yoshida, Naoki; Kuiper, Rolf

  Monthly Notices of the Royal Astronomical Society, Jul. 2020, Peer-reviewed

  
• Accretion bursts in low-metallicity protostellar disks

  Vorobyov, Eduard I.; Elbakyan, Vardan G.; Omukai, Kazuyuki; Hosokawa, Takashi; Matsukoba, Ryoki; Guedel, Manuel

  Astronomy and Astrophysics, Sep. 2020

  
• Gaseous dynamical friction under radiative feedback: do intermediate-mass black holes speed up or down?

  Toyouchi, Daisuke; Hosokawa, Takashi; Sugimura, Kazuyuki; Kuiper, Rolf

  Monthly Notices of the Royal Astronomical Society, May 2020, Peer-reviewed

  
• Formation of the First Stars and Black Holes

  Haemmerlé, L.; Mayer, L.; Klessen, R. S.; Hosokawa, T.; Madau, P.; Bromm, V.

  Space Science Reviews, Apr. 2020

  
• Molecular clouds under the FUV feedback: factories of CO-dark gas

  Inoguchi, Mutsuko; Hosokawa, Takashi; Mineshige, Shin; Kim, Jeong-Gyu

  Apr. 2020

  
• The Birth of a Massive First-star Binary

  Sugimura, Kazuyuki; Matsumoto, Tomoaki; Hosokawa, Takashi; Hirano, Shingo; Omukai, Kazuyuki

  The Astrophysical Journal, Mar. 2020, Peer-reviewed

  
• Spectral energy distribution of the first galaxies: contribution from pre-main-sequence stars

  Mitani, Hiroto; Yoshida, Naoki; Omukai, Kazuyuki; Hosokawa, Takashi

  Monthly Notices of the Royal Astronomical Society, Sep. 2019

  
• Forming Pop III binaries in self-gravitating discs: how to keep the orbital angular momentum

  Chon, Sunmyon; Hosokawa, Takashi

  Monthly Notices of the Royal Astronomical Society, Sep. 2019

  
• Titans of the early Universe: The Prato statement on the origin of the first supermassive black holes

  Woods, Tyrone E.; Agarwal, Bhaskar; Bromm, Volker; Bunker, Andrew; Chen, Ke-Jung; Chon, Sunmyon; Ferrara, Andrea; Glover, Simon C. O.; Haemmerlé, Lionel; Haiman, Zoltán; Hartwig, Tilman; Heger, Alexander; Hirano, Shingo; Hosokawa, Takashi; Inayoshi, Kohei; Klessen, Ralf S.; Kobayashi, Chiaki; Koliopanos, Filippos; Latif, Muhammad A.; Li, Yuexing; Mayer, Lucio; Mezcua, Mar; Natarajan, Priyamvada; Pacucci, Fabio; Rees, Martin J.; Regan, John A.; Sakurai, Yuya; Salvadori, Stefania; Schneider, Raffaella; Surace, Marco; Tanaka, Takamitsu L.; Whalen, Daniel J.; Yoshida, Naoki

  Publications of the Astronomical Society of Australia, Aug. 2019

  
• Evolution and final fates of rapidly accreting supermassive stars

  Hosokawa, Takashi

  Formation of the First Black Holes, Jul. 2019

  
• Episodic excursions of low-mass protostars on the Hertzsprung-Russell diagram

  Elbakyan, Vardan G.; Vorobyov, Eduard I.; Rab, Christian; Meyer, Dominique M. -A.; Güdel, Manuel; Hosokawa, Takashi; Yorke, Harold

  Monthly Notices of the Royal Astronomical Society, Mar. 2019, Peer-reviewed

  
• Super-Eddington accretion of dusty gas on to seed black holes: metallicity-dependent efficiency of mass growth

  Toyouchi, Daisuke; Hosokawa, Takashi; Sugimura, Kazuyuki; Nakatani, Riouhei; Kuiper, Rolf

  Monthly Notices of the Royal Astronomical Society, Feb. 2019, Peer-reviewed

  
• Titans of the early Universe: The Prato statement on the origin of the first supermassive black holes

  Tyrone E. Woods; Bhaskar Agarwal; Volker Bromm; Andrew Bunker; Ke-Jung Chen; Sunmyon Chon; Andrea Ferrara; Simon C. O. Glover; Lionel Haemmerlé; Zoltán Haiman; Tilman Hartwig; Alexander Heger; Shingo Hirano; Takashi Hosokawa; Kohei Inayoshi; Ralf S. Klessen; Chiaki Kobayashi; Filippos Koliopanos; Muhammad A. Latif; Yuexing Li; Lucio Mayer; Mar Mezcua; Priyamvada Natarajan; Fabio Pacucci; Martin J. Rees; John A. Regan; Yuya Sakurai; Stefania Salvadori; Raffaella Schneider; Marco Surace; Takamitsu L. Tanaka; Daniel J. Whalen; Naoki Yoshida

  Publications of the Astronomical Society of Australia, 2019, Peer-reviewed

  
• Radiation Hydrodynamics Simulations of Photoevaporation of Protoplanetary Disks. II. Metallicity Dependence of UV and X-Ray Photoevaporation

  Nakatani, Riouhei; Hosokawa, Takashi; Yoshida, Naoki; Nomura, Hideko; Kuiper, Rolf

  The Astrophysical Journal, Sep. 2018, Peer-reviewed

  
• First hydrodynamics simulations of radiation forces and photoionization feedback in massive star formation

  Kuiper, R.; Hosokawa, T.

  Astronomy and Astrophysics, Aug. 2018, Peer-reviewed

  
• Stunted accretion growth of black holes by combined effect of the flow angular momentum and radiation feedback

  Sugimura, Kazuyuki; Hosokawa, Takashi; Yajima, Hidenobu; Inayoshi, Kohei; Omukai, Kazuyuki

  Monthly Notices of the Royal Astronomical Society, Aug. 2018, Peer-reviewed

  
• Warm CO Gas Generated by Possible Turbulent Shocks in a Low-mass Star-forming Dense Core in Taurus

  Tokuda, Kazuki; Onishi, Toshikazu; Saigo, Kazuya; Matsumoto, Tomoaki; Inoue, Tsuyoshi; Inutsuka, Shu-ichiro; Fukui, Yasuo; Machida, Masahiro N.; Tomida, Kengo; Hosokawa, Takashi; Kawamura, Akiko; Tachihara, Kengo

  The Astrophysical Journal, Jul. 2018, Peer-reviewed

  
• The Impact of Feedback in Massive Star Formation. II. Lower Star Formation Efficiency at Lower Metallicity

  Tanaka, Kei E. I.; Tan, Jonathan C.; Zhang, Yichen; Hosokawa, Takashi

  The Astrophysical Journal, Jul. 2018, Peer-reviewed

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• Radiation Hydrodynamics Simulations of Photoevaporation of Protoplanetary Disks by Ultraviolet Radiation: Metallicity Dependence

  Riouhei Nakatani; Takashi Hosokawa; Naoki Yoshida; Hideko Nomura; Rolf Kuiper

  Astrophysical Journal, 10 Apr. 2018, Peer-reviewed

  
• Radiation hydrodynamics simulations of the formation of direct-collapse supermassive stellar systems

  Sunmyon Chon; Takashi Hosokawa; Naoki Yoshida

  Monthly Notices of the Royal Astronomical Society, 01 Apr. 2018, Peer-reviewed

  
• Massive outflows driven by magnetic effects - II. Comparison with observations

  Yuko Matsushita; Yuya Sakurai; Takashi Hosokawa; Masahiro N. Machida

  Monthly Notices of the Royal Astronomical Society, 21 Mar. 2018, Peer-reviewed

  
• Upper stellar mass limit by radiative feedback at low-metallicities: Metallicity and accretion rate dependence

  Hajime Fukushima; Kazuyuki Omukai; Takashi Hosokawa

  Monthly Notices of the Royal Astronomical Society, 2018, Peer-reviewed

  
• A Detached Protostellar Disk around a similar to 0.2M(circle dot) Protostar in a Possible Site of a Multiple Star Formation in a Dynamical Environment in Taurus

  Kazuki Tokuda; Toshikazu Onishi; Kazuya Saigo; Takashi Hosokawa; Tomoaki Matsumoto; Shu-ichiro Inutsuka; Masahiro N. Machida; Kengo Tomida; Masanobu Kunitomo; Akiko Kawamura; Yasuo Fukui; Kengo Tachihara

  ASTROPHYSICAL JOURNAL, Nov. 2017, Peer-reviewed

  
• Supersonic gas streams enhance the formation of massive black holes in the early universe

  Shingo Hirano; Takashi Hosokawa; Naoki Yoshida; Rolf Kuiper

  SCIENCE, Sep. 2017, Peer-reviewed

  
• Effect of accretion on the pre-main-sequence evolution of low-mass stars and brown dwarfs

  Eduard I. Vorobyov; Vardan Elbakyan; Takashi Hosokawa; Yuya Sakurai; Manuel Guedel; Harold Yorke

  ASTRONOMY & ASTROPHYSICS, Sep. 2017, Peer-reviewed

  
• Massive outflows driven by magnetic effects in star-forming clouds with high mass accretion rates

  Yuko Matsushita; Masahiro N. Machida; Yuya Sakurai; Takashi Hosokawa

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Aug. 2017, Peer-reviewed

  
• Rapid black hole growth under anisotropic radiation feedback

  Kazuyuki Sugimura; Takashi Hosokawa; Hidenobu Yajima; Kazuyuki Omukai

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Jul. 2017, Peer-reviewed

  
• Do stellar winds prevent the formation of supermassive stars by accretion?

  Daisuke Nakauchi; Takashi Hosokawa; Kazuyuki Omukai; Hideyuki Saio; Ken'ichi Nomoto

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Mar. 2017, Peer-reviewed

  
• Grand-design Spiral Arms in a Young Forming Circumstellar Disk

  Kengo Tomida; Masahiro N. Machida; Takashi Hosokawa; Yuya Sakurai; Chia Hui Lin

  ASTROPHYSICAL JOURNAL LETTERS, Jan. 2017, Peer-reviewed

  
• Formation of massive primordial stars controlled by the protostellar evolution

  Hosokawa, T.

  Memorie della Societa Astronomica Italiana, 2017, Peer-reviewed

  
• Grand-design Spiral Arms in a Young Forming Circumstellar Disk

  Kengo Tomida; Masahiro N. Machida; Takashi Hosokawa; Yuya Sakurai; Chia Hui Lin

  ASTROPHYSICAL JOURNAL LETTERS, Jan. 2017, Peer-reviewed

  
• COSMOLOGICAL SIMULATIONS OF EARLY BLACK HOLE FORMATION: HALO MERGERS, TIDAL DISRUPTION, AND THE CONDITIONS FOR DIRECT COLLAPSE

  Sunmyon Chon; Shingo Hirano; Takashi Hosokawa; Naoki Yoshida

  ASTROPHYSICAL JOURNAL, Dec. 2016, Peer-reviewed

  
• THE FINAL FATES OF ACCRETING SUPERMASSIVE STARS

  Hideyuki Umeda; Takashi Hosokawa; Kazuyuki Omukai; Naoki Yoshida

  ASTROPHYSICAL JOURNAL LETTERS, Oct. 2016, Peer-reviewed

  
• Supermassive star formation via episodic accretion: protostellar disc instability and radiative feedback efficiency

  Y. Sakurai; E. I. Vorobyov; T. Hosokawa; N. Yoshida; K. Omukai; H. W. Yorke

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Jun. 2016, Peer-reviewed

  
• FORMATION OF MASSIVE PRIMORDIAL STARS: INTERMITTENT UV FEEDBACK WITH EPISODIC MASS ACCRETION

  Takashi Hosokawa; Shingo Hirano; Rolf Kuiper; Harold W. Yorke; Kazuyuki Omukai; Naoki Yoshida

  ASTROPHYSICAL JOURNAL, Jun. 2016, Peer-reviewed

  
• The Formation and Destruction of Molecular Clouds and Galactic Star Formation

  Shu-ichiro Inutsuka; Tsuyoshi Inoue; Kazunari Iwasaki; Takashi Hosokawa; Masato I. N. Kobayashi

  FROM INTERSTELLAR CLOUDS TO STAR-FORMING GALAXIES: UNIVERSAL PROCESSES?, 2016, Peer-reviewed

  
• Formation of primordial supermassive stars by burst accretion

  Y. Sakurai; T. Hosokawa; N. Yoshida; H. W. Yorke

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Sep. 2015, Peer-reviewed

  
• The formation and destruction of molecular clouds and galactic star formation An origin for the cloud mass function and star formation efficiency

  Shu-ichiro Inutsuka; Tsuyoshi Inoue; Kazunari Iwasaki; Takashi Hosokawa

  ASTRONOMY & ASTROPHYSICS, Aug. 2015, Peer-reviewed

  
• Primordial star formation under the influence of far ultraviolet radiation: 1540 cosmological haloes and the stellar mass distribution

  S. Hirano; T. Hosokawa; N. Yoshida; K. Omukai; H. W. Yorke

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Mar. 2015, Peer-reviewed

  
• RADIATION TRANSFER OF MODELS OF MASSIVE STAR FORMATION. III. THE EVOLUTIONARY SEQUENCE

  Yichen Zhang; Jonathan C. Tan; Takashi Hosokawa

  ASTROPHYSICAL JOURNAL, Jun. 2014, Peer-reviewed

  
• GENERATION OF MAGNETIC FIELD ON THE ACCRETION DISK AROUND A PROTO-FIRST-STAR

  Yuki Shiromoto; Hajime Susa; Takashi Hosokawa

  ASTROPHYSICAL JOURNAL, Feb. 2014, Peer-reviewed

  
• ONE HUNDRED FIRST STARS: PROTOSTELLAR EVOLUTION AND THE FINAL MASSES

  Shingo Hirano; Takashi Hosokawa; Naoki Yoshida; Hideyuki Umeda; Kazuyuki Omukai; Gen Chiaki; Harold W. Yorke

  ASTROPHYSICAL JOURNAL, Feb. 2014, Peer-reviewed

  
• FORMATION OF PRIMORDIAL SUPERMASSIVE STARS BY RAPID MASS ACCRETION

  Takashi Hosokawa; Harold W. Yorke; Kohei Inayoshi; Kazuyuki Omukai; Naoki Yoshida

  ASTROPHYSICAL JOURNAL, Dec. 2013, Peer-reviewed

  
• DIRECT DIAGNOSTICS OF FORMING MASSIVE STARS: STELLAR PULSATION AND PERIODIC VARIABILITY OF MASER SOURCES

  Kohei Inayoshi; Koichiro Sugiyama; Takashi Hosokawa; Kazuhito Motogi; Kei E. I. Tanaka

  ASTROPHYSICAL JOURNAL LETTERS, Jun. 2013, Peer-reviewed

  
• Pulsational instability of supergiant protostars: Do they grow supermassive by accretion?

  Kohei Inayoshi; Takashi Hosokawa; Kazuyuki Omukai

  Monthly Notices of the Royal Astronomical Society, May 2013, Peer-reviewed

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• Evolution of protostellar outflow around low-mass protostar

  Masahiro N. Machida; Takashi Hosokawa

  Monthly Notices of the Royal Astronomical Society, 2013, Peer-reviewed

  
• PROTOSTELLAR FEEDBACK AND FINAL MASS OF THE SECOND-GENERATION PRIMORDIAL STARS

  Takashi Hosokawa; Naoki Yoshida; Kazuyuki Omukai; Harold W. Yorke

  ASTROPHYSICAL JOURNAL LETTERS, Dec. 2012, Peer-reviewed

  
• RAPIDLY ACCRETING SUPERGIANT PROTOSTARS: EMBRYOS OF SUPERMASSIVE BLACK HOLES?

  Takashi Hosokawa; Kazuyuki Omukai; Harold W. Yorke

  ASTROPHYSICAL JOURNAL, Sep. 2012, Peer-reviewed

  
• Variable accretion rates and fluffy first stars

  Rowan J. Smith; Takashi Hosokawa; Kazuyuki Omukai; Simon C. O. Glover; Ralf S. Klessen

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Jul. 2012, Peer-reviewed

  
• Formation of the first stars in the universe

  Naoki Yoshida; Takashi Hosokawa; Kazuyuki Omukai

  PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 2012, Peer-reviewed

  
• Radiative Feedback from Primordial Protostars and Final Mass of the First Stars

  Takashi Hosokawa; Kazuyuki Omukai; Naoki Yoshida; Harold W. Yorke

  FIRST STARS IV - FROM HAYASHI TO THE FUTURE, 2012, Peer-reviewed

  
• Protostellar Feedback Halts the Growth of the First Stars in the Universe

  Takashi Hosokawa; Kazuyuki Omukai; Naoki Yoshida; Harold W. Yorke

  SCIENCE, Dec. 2011, Peer-reviewed

  
• The Red MSX Source survey: critical tests of accretion models for the formation of massive stars

  Ben Davies; Melvin G. Hoare; Stuart L. Lumsden; Takashi Hosokawa; Rene D. Oudmaijer; James S. Urquhart; Joseph C. Mottram; Joseph Stead

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Sep. 2011, Peer-reviewed

  
• ON THE RELIABILITY OF STELLAR AGES AND AGE SPREADS INFERRED FROM PRE-MAIN-SEQUENCE EVOLUTIONARY MODELS

  Takashi Hosokawa; Stella S. R. Offner; Mark R. Krumholz

  ASTROPHYSICAL JOURNAL, Sep. 2011, Peer-reviewed

  
• LOW-METALLICITY STAR FORMATION: PRESTELLAR COLLAPSE AND PROTOSTELLAR ACCRETION IN THE SPHERICAL SYMMETRY

  Kazuyuki Omukai; Takashi Hosokawa; Naoki Yoshida

  ASTROPHYSICAL JOURNAL, Oct. 2010, Peer-reviewed

  
• EVOLUTION OF MASSIVE PROTOSTARS VIA DISK ACCRETION

  Takashi Hosokawa; Harold W. Yorke; Kazuyuki Omukai

  ASTROPHYSICAL JOURNAL, Sep. 2010, Peer-reviewed

  
• Mass Accretion Process to the Forming First Star

  Takashi Hosokawa; Kazuyuki Omukai; Harold W. Yorke

  DECIPHERING THE ANCIENT UNIVERSE WITH GAMMA-RAY BURSTS, 2010, Peer-reviewed

  
• Star formation triggered by supernova explosions in young galaxies

  Takanori Nagakura; Takashi Hosokawa; Kazuyuki Omukai

  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Nov. 2009, Peer-reviewed

  
• LOW-METALLICITY PROTOSTARS AND THE MAXIMUM STELLAR MASS RESULTING FROM RADIATIVE FEEDBACK: SPHERICALLY SYMMETRIC CALCULATIONS

  Takashi Hosokawa; Kazuyuki Omukai

  ASTROPHYSICAL JOURNAL, Oct. 2009, Peer-reviewed

  
• EVOLUTION OF MASSIVE PROTOSTARS WITH HIGH ACCRETION RATES

  Takashi Hosokawa; Kazuyuki Omukai

  ASTROPHYSICAL JOURNAL, Jan. 2009, Peer-reviewed

  
• The evolution of supernova remnants in the early universe

  Takanori Nagakura; Takashi Hosokawa; Kazuyuki Omukai

  FIRST STARS III, 2008, Peer-reviewed

  
• Triggered star formation on the borders of the Galactic H(II) region RCW 120

  A. Zavagno; M. Pomares; L. Deharveng; T. Hosokawa; D. Russeil; J. Caplan

  ASTRONOMY & ASTROPHYSICS, Sep. 2007, Peer-reviewed

  
• Dynamical formation of dark molecular hydrogen clouds around diffuse HII regions

  Takashi Hosokawa; Shu-ichiro Inutsuka

  ASTROPHYSICAL JOURNAL, Jul. 2007, Peer-reviewed

  
• Trapping of the HII and photodissociation region in a radially stratified molecular cloud

  T. Hosokawa

  ASTRONOMY & ASTROPHYSICS, Feb. 2007, Peer-reviewed

  
• Hard X-rays from ultracompact HII regions in W49A

  M. Tsujimoto; T. Hosokawa; E. D. Feigelson; K. V. Getman; P. S. Broos

  ASTROPHYSICAL JOURNAL, Dec. 2006, Peer-reviewed

  
• Dynamical expansion of ionization and dissociation front around a massive star: A starburst mechanism

  Takashi Hosokawa; Shu-ichiro Inutsuka

  ASTROPHYSICAL JOURNAL, Sep. 2006, Peer-reviewed

  
• Dynamical expansion of ionization and dissociation front around a massive star. II. On the generality of triggered star formation

  Takashi Hosokawa; Shu-Ichiro Inutsuka

  ASTROPHYSICAL JOURNAL, Jul. 2006, Peer-reviewed

  
• Dynamical expansion of ionization and dissociation fronts around a massive star. I. A mode of triggered star formation

  T Hosokawa; S Inutsuka

  ASTROPHYSICAL JOURNAL, Apr. 2005, Peer-reviewed

  
• Cosmological growth history of supermassive black holes and demographics in the high-z universe: Do Lyman break galaxies have supermassive black holes?

  T Hosokawa

  ASTROPHYSICAL JOURNAL, May 2004, Peer-reviewed

  
• Cosmological growth history of supermassive black holes and demographics in high-z universe Do Lyman-Break galaxies have supermassive black holes?

  Takashi Hosokawa

  Progress of Theoretical Physics Supplement, 2004, Peer-reviewed

  
• Gravitational-wave radiation from magnetized accretion disks

  S Mineshige; T Hosokawa; M Machida; R Matsumoto

  PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Oct. 2002, Peer-reviewed

  
• Constraining the lifetime of quasars with the present-day mass function of supermassive black holes

  T Hosokawa

  ASTROPHYSICAL JOURNAL, Sep. 2002, Peer-reviewed

  
• The relation between mid-infrared emission and black hole mass in active galactic nuclei: A direct way to probe black hole growth?

  A Alonso-Herrero; VD Ivanov; R Jayawardhana; T Hosokawa

  ASTROPHYSICAL JOURNAL, May 2002, Peer-reviewed

  
• Theoretical models of multi-waveband QSO luminosity functions

  T Hosokawa; S Mineshige; T Kawaguchi; K Yoshikawa; M Umemura

  PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, Oct. 2001, Peer-reviewed

  

Awards

• 21 Mar. 2013

  Astronomical Society of Japan, Young Astronomer Award 2012

External funds: Kakenhi

• 星団形成における磁気的効果と輻射フィードバックの相互作用

  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

  Science and Engineering

  Kyoto University

  細川 隆史

  From 01 Apr. 2021, To 31 Mar. 2023, Granted

  星団形成;星形成;電離領域;磁気流体力学;適合格子計算;銀河形成;数値シミュレーション;輻射流体力学

  https://kaken.nii.ac.jp/grant/KAKENHI-PUBLICLY-21H00041/
• 近傍宇宙での低金属量星団形成

  Fund for the Promotion of Joint International Research (Fostering Joint International Research (A))

  Basic Section 16010:Astronomy-related

  Kyoto University

  細川 隆史

  From 01 Apr. 2022, To 31 Mar. 2025, Granted

  宇宙初期天体;星団形成;星形成;大質量星;宇宙初代星

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19KK0353/
• 初期宇宙での星団形成：初代星団から球状星団まで

  Grant-in-Aid for Scientific Research (B)

  Basic Section 16010:Astronomy-related

  Kyoto University

  細川 隆史

  From 01 Apr. 2019, To 31 Mar. 2023, Granted

  星団形成;星形成;電離領域;輻射流体力学;初代星;銀河形成;宇宙初代星;数値シミュレーション;金属欠乏星;超巨大ブラックホール;種族III星;宇宙初期天体;大質量星

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19H01934/
• Theoretical study on binary black hole formation

  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

  Science and Engineering

  Tohoku University

  Kazuyuki Omukai

  From 30 Jun. 2017, To 31 Mar. 2022, Project Closed

  ブラックホール;星形成;連星形成;磁気流体力学;輻射流体力学;連星進化;星団形成

  https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-17H06360/
• Theoretical Study on Formation of Supermassive Black Holes

  Grant-in-Aid for Scientific Research (A)

  Tohoku University

  Kazuyuki Omukai

  From 01 Apr. 2017, To 31 Mar. 2022, Project Closed

  ブラックホール;星形成;銀河形成;巨大ブラックホール;宇宙初期天体;活動銀河核

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17H01102/
• Low-metallicity high-mass star formation in primeval galaxies

  Grant-in-Aid for Young Scientists (A)

  Kyoto University

  Takashi HOSOKAWA

  From 01 Apr. 2016, To 31 Mar. 2019, Project Closed

  大質量星;宇宙初期天体;宇宙初代星;銀河形成;金属欠乏星;原始星;電離領域;数値シミュレーション;超巨大ブラックホール;種族III星;降着円盤;ダークマター;原始惑星系円盤;光蒸発;宇宙物理;理論天文学;計算物理

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16H05996/
• 巨大ブラックホールの起源の理論的研究

  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

  Science and Engineering

  Kyoto University

  細川 隆史

  From 01 Apr. 2015, To 31 Mar. 2017, Project Closed

  超巨大ブラックホール;超大質量星;種族III星;銀河形成;宇宙初期天体;原始星;宇宙物理;理論天文学;計算物理

  https://kaken.nii.ac.jp/grant/KAKENHI-PUBLICLY-15H00776/
• Massive star formation across the cosmic time

  Grant-in-Aid for Young Scientists (B)

  The University of Tokyo

  Takashi Hosokawa

  From 01 Apr. 2013, To 31 Mar. 2016, Project Closed

  宇宙初代星;大質量星;銀河形成;原始星;宇宙初期天体;星間物理;超巨大ブラックホール;種族III星;金属欠乏星;初代星;質量降着;電離領域;原始星の進化;降着円盤

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25800102/
• Evolution of dust, gas and chemistry in protoplanetary disks: diagnosing planet formation theory and origin of materials in the solar system

  Grant-in-Aid for Scientific Research (C)

  Tokyo Institute of Technology

  Hideko NOMURA

  From 01 Apr. 2013, To 31 Mar. 2018, Project Closed

  理論天文学;星・惑星系形成;原始惑星系円盤;星・惑星形成

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25400229/
• Deciphering the evolution of the Universe with wide-field survey and numerical cosmology

  Grant-in-Aid for Scientific Research (B)

  The University of Tokyo

  Naoki YOSHIDA

  From 01 Apr. 2013, To 31 Mar. 2017, Project Closed

  宇宙物理学;星形成;銀河形成;ダークマター;ブラックホール;宇宙論;銀河サーベイ;重力レンズ;理論天文学

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25287050/
• Theoretical study on low-metallicity star formation in the early universe

  Grant-in-Aid for Scientific Research (B)

  Tohoku University

  Kazuyuki Omukai

  From 01 Apr. 2013, To 31 Mar. 2017, Project Closed

  低金属度星;星形成;巨大ブラックホール;銀河形成;宇宙初代星;宇宙初期天体;宇宙論

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25287040/
• The nature of the first galaxies and the origin of supermassive black holes as revealed by the star cluster formation process in the early universe

  Grant-in-Aid for Scientific Research (A)

  Medium-sized Section 16:Astronomy and related fields

  Tohoku University

  大向 一行

  From 01 Apr. 2022, To 31 Mar. 2027, Granted

  星形成;銀河形成;宇宙初期天体;巨大ブラックホール形成

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22H00149/

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Introduction to General Astronomy

  N516, Spring, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Introduction to General Astronomy

  N516, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Special study course II(Physical Science) P5

  5204, Year-long, Faculty of Science, 12
• From 01 Apr. 2024, To 31 Mar. 2025

  Gravitation

  8232, Spring, Faculty of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Analytical Mechanics 2

  2231, Fall, Faculty of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Nuclear Astrophysics II

  3083, Fall, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Introduction to General Astronomy

  N516, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Advanced Dynamics

  N229, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Introduction to General Astronomy

  N516, Spring, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Special study course II(Physical Science) P5

  5204, Year-long, Faculty of Science, 12
• From 01 Apr. 2023, To 31 Mar. 2024

  Analytical Mechanics 2

  2231, Fall, Faculty of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Nuclear Astrophysics II

  3083, Fall, Graduate School of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Analytical Mechanics 2

  2231, Fall, Faculty of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Introduction to General Astronomy

  N516, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Nuclear Astrophysics II

  3083, Fall, Graduate School of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Gravitation

  8232, Spring, Faculty of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Special study course II(Physical Science) P5

  5204, Year-long, Faculty of Science, 12
• From 01 Apr. 2022, To 31 Mar. 2023

  Introduction to General Astronomy

  N516, Spring, Institute for Liberal Arts and Sciences, 2
• From Apr. 2017, To Mar. 2018

  Advanced Dynamics

  Fall, 全学共通科目
• From Apr. 2017, To Mar. 2018

  Nuclear Astrophysics II

  Fall, 理学研究科
• From Apr. 2017, To Mar. 2018

  Special study course II(Physical Science) P5

  Year-long, 理学部
• From Apr. 2017, To Mar. 2018

  Gravitation

  Spring, 理学部
• From Apr. 2020, To Mar. 2021

  Advanced Dynamics

  Fall, 全学共通科目
• From Apr. 2020, To Mar. 2021

  Nuclear Astrophysics II

  Fall, 理学研究科
• From Apr. 2020, To Mar. 2021

  Special study course II(Physical Science) P5

  Year-long, 理学部
• From Apr. 2020, To Mar. 2021

  Gravitation

  Spring, 理学部
• From Apr. 2021, To Mar. 2022

  Nuclear Astrophysics II

  Fall, 理学研究科
• From Apr. 2021, To Mar. 2022

  Special study course II(Physical Science) P5

  Year-long, 理学部
• From Apr. 2021, To Mar. 2022

  Analytical Mechanics 2

  Fall, 理学部
• From Apr. 2021, To Mar. 2022

  Gravitation

  Spring, 理学部

Participation in PhD Defense

• Diagnostics for Physical Processes of X-ray Plasma in Supernova Remnants

  AMANO YUKI, Graduate School of Science, Sub-chief Examiner

  23 May 2023
• Evolution of Circumstellar Disk and Protostellar Structure in the Primordial Star Formation

  KIMURA KAZUTAKA, Graduate School of Science, Chief Examiner

  25 Sep. 2023
• X-ray Study on Microquasar SS 433/W50 Extended Jets: Propagation of Non-thermal Particles and Origin of Hotspots

  KAYAMA KAZUHO, Graduate School of Science, Sub-chief Examiner

  23 Mar. 2023
• Star cluster formation and molecular cloud destruction caused by radiative feedback

  INOGUCHI MUTSUKO, Graduate School of Science, Sub-chief Examiner

  23 Mar. 2022

Administration

Faculty management (title, position)

• From 01 Apr. 2018, To 31 Mar. 2019

  理学研究科国際・社会交流・広報委員会委員
• From 01 Apr. 2018, To 31 Mar. 2019

  理学研究科国際・社会交流・広報委員会　国際交流・奨学生推薦小委員会委員
• From 01 Apr. 2019, To 31 Mar. 2020

  理学部・教育委員会委員
• From 01 Apr. 2019, To 31 Mar. 2020

  理学部・教育委員会　教務委員会委員
• From 01 Apr. 2019, To 31 Mar. 2020

  理学研究科SACRA広報・社会連携部門委員会委員
• From 01 Apr. 2019, To 31 Mar. 2020

  理学研究科SACRA広報・社会連携部門委員会　基金運営小委員会委員
• From 01 Apr. 2020, To 31 Mar. 2021

  理学研究科SACRA広報・社会連携部門委員会　基金運営小委員会委員

Academic, Social Contribution

Committee Memberships

• From Apr. 2020, To Present

  代議員, 日本天文学会
• From Apr. 2019, To Mar. 2023

  研究奨励賞選考委員 (2021年4月~2023年3月の間、委員長), 日本天文学会
• From Jun. 2017, To May 2021

  委員, 日本天文学会早川幸男基金選考委員会
• From Dec. 2018, To Nov. 2020

  運営委員 (2019年12月〜2020年11月の間、委員長), 理論天文学宇宙物理学懇談会(理論懇)
• From Oct. 2018, To Sep. 2020

  委員長, 国立天文台CfCA科学諮問委員会
• From Jun. 2017, To Jun. 2019

  特別研究員審査会専門委員, 日本学術振興会
• From Jul. 2016, To Jun. 2018

  委員, 国立天文台理論専門委員会
• From Dec. 2014, To Nov. 2016

  運営委員, 理論天文学宇宙物理学懇談会(理論懇)