Takashi HOSOKAWA / research

RESEARCH INTERESTS
+ formation and evolution of stars in the past and current universe
+ the first stars in the universe
+ origin of the supermassive black holes

METHODOLOGY: from the theoretical side
+ numerical simulations of the radiation hydrodynamics
+ numerical modeling of the stellar evolution
+ analytical modeling for understanding the numerical results

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HIGHLIGHTS

recent talks:

"Seeding Supermassive Black Holes in the Early Universe"(utap seminar, 05/2013)
"High-mass Star Formation in the Early Universe" (in Japanese, rironkon sympo, 12/2012)
"Radiative Feedback from Primordial Protostars and Final Mass of the First Stars" (First Stars IV conference, 05/2012)

materials for a press-release "Protostellar Feedback Halts the Growth of the First Stars in the Universe" (11/2011)
webpage @ Kyoto Univ. / IPMU release / NASA release

PUBLICATION LIST

[ Submitted + Preprints ]

"Radiation Transfer of Models of Massive Star Formation III. The Evolutionary Sequence"
Zhang, Y., Tan, J.C., Hosokawa, T., submitted to ApJ [arXiv:1312.3370]

[ Refereed Papers ]

"Generation of Magnetic Field on the Accretion Disk around a Proto-first-star"
Shiromoto, Y., Susa, H., & Hosokawa, T., 2014, ApJ, 782, 108 [ADS]

"One Hundred First Stars: Protostellar Evolution and the Final Masses"
Hirano, S., Hosokawa, T., Yoshida, N., Umeda, H., Omukai, K., Chiaki, G., & Yorke, H.W., 2014, ApJ, 781, 60 [ADS]

"Formation of Primordial Supermassive Stars by Rapid Mass Accretion"
Hosokawa, T., Yorke, H.W., Inayoshi, K., Omukai, K., & Yoshida, N., 2013, ApJ, 778, 178 [ADS]

"Direct Diagnostics of Forming Massive Stars: Stellar Pulsation and Periodic Variability of Maser Sources"
Inayoshi, K., Sugiyama, K., Hosokawa, T., Motogi, K., & Tanaka, K., 2013, ApJL, 769, 20 [ADS]

"Evolution of Protostellar Outflow around Low-mass Protostars"
Machida, M.N., & Hosokawa, T., 2013, MNRAS, 431, 1719 [ADS]

"Pulsational Instability of Supergiant Protostars: Do They Grow Supermassive by Accretion? "
Inayoshi, K., Hosokawa, T., & Omukai, K., 2013, MNRAS, 431, 3036 [ADS]

"Formation of the first stars in the universe"
Yoshida, N., Hosokawa, T., & Omukai, K., 2012, Progress of Theoretical and Experimental Physics, 2012, 305 [PTEP]

"Protostellar Feedback and Final Mass of the Second-generation Primordial Stars"
Hosokawa, T., Yoshida, N., Omukai, K., & Yorke, H.W., 2012, ApJL, 760, 37 [ADS]

"Rapidly Accreting Supergiant Protostars: Embryos of Supermassive Black Holes?"
Hosokawa, T., Omukai, K., & Yorke, H.W., 2012, ApJ, 756, 93 [ADS]

"Variable accretion rates and fluffy first stars"
Smith, R.J., Hosokawa, T., Omukai, K., Glover, S.C.O., & Klessen, R.S., 2012, MNRAS, 424, 457 [ADS]

"Protostellar Feedback Halts the Growth of the First Stars in the Universe"
Hosokawa, T., Omukai, K., Yoshida, N., & Yorke, H.W., 2011, Science, 334, 1250 (also publisehd in the electric Science Express) [ADS]

"The Red MSX Source Survey: Critical Tests of Accretion Models for the Formation of Massive Stars"
Davies, B., Hoare, M.G., Lumsden, S.L., Hosokawa, T., et al. 2011, MNRAS, 416, 972 [ADS]

"On the Reliability of Stellar Ages and Age Spreads Inferred from Pre-Main Sequence Evolutionary Models"
Hosokawa, T., Offner, S.S.R., & Krumholz, M., 2011, ApJ, 738, 140 [ADS]

"Low-metallicity Star Formation: Prestellar Collapse and Protostellar Accretion in the Spherical Symmetry"
Omukai, K., Hosokawa, T., & Yoshida, N., 2010, ApJ, 722, 1793 [ADS]

"Evolution of Massive Protostars via Disk Accretion"
Hosokawa, T., Yorke, H.W., & Omukai, K., 2010, ApJ, 721, 478 [ADS]

list in ADS including papers published before 2010

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