TOMA Kenji

J-GLOBAL         Last updated: Jul 14, 2019 at 21:40
 
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Name
TOMA Kenji
URL
http://db.tohoku.ac.jp/whois/e_detail/24f839633c77528689e5802aab79ea3f.html
Affiliation
Tohoku University
Section
Frontier Research Institute for Interdisciplinary Sciences Creative Interdisciplinary Research Division Advanced Basic Sciences
Job title
Assistant Professor
Degree
理学(Kyoto University)
Other affiliation
Tohoku University

Research Areas

 
 

Awards & Honors

 
Apr 2017
偏光によるブラックホールジェットの研究, 平成29年度科学技術分野の文部科学大臣表彰若手科学者賞, 文部科学省
 
Mar 2014
ガンマ線バーストの偏光と相対論的ジェットの研究, 第8回日本物理学会若手奨励賞, 日本物理学会
 
Mar 2014
ガンマ線バーストの偏光と相対論的ジェットの研究, 第25回日本天文学会研究奨励賞, 日本天文学会
 

Published Papers

 
ALMA Polarimetry of AT2018cow
K. Huang, J. Shimoda, Y. Urata, K. Toma, et al.
Astrophysical Journal Letters   878 25   Jun 2019   [Refereed]
A Mechanism for the Triple-ridge Emission Structure of AGN Jets
T. Ogihara, K. Takahashi & K. Toma
Astrophysical Journal   877 19   May 2019   [Refereed]
Hunting Axion Dark Matter with Protoplanetary Disk Polarimetry
Tomohiro Fujita, Ryo Tazaki, & Kenji Toma
Physical Review Letters   122(19) 1101   May 2019   [Refereed]
First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
Event Horizon Telescope Collaboration
Astrophysical Journal Letters   875 6   Apr 2019   [Refereed]
First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring
Event Horizon Telescope Collaboration
Astrophysical Journal Letters   875 5   Apr 2019   [Refereed]
First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
Event Horizon Telescope Collaboration
Astrophysical Journal Letters   875 4   Apr 2019   [Refereed]
First M87 Event Horizon Telescope Results. III. Data Processing and Calibration
Event Horizon Telescope Collaboration
Astrophysical Journal Letters   875 3   Apr 2019   [Refereed]
First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
Event Horizon Telescope Collaboration
Astrophysical Journal Letters   875 1   Apr 2019   [Refereed]
First M87 Event Horizon Telescope Results. II. Array and Instrumentation
Event Horizon Telescope Collaboration
Astrophysical Journal Letters   875 2   Apr 2019   [Refereed]
The origin of polarization in kilonovae and the case of the gravitational-wave counterpart AT 2017gfo
Bulla, M., Covino, S., Kyutoku, K., Tanaka, M., Maund, J. R., Patat, F., Toma, K., Wiersema, K., Bruten, J., Jin, Z. P., Testa, V.
Nature Astronomy   3 99-106   Jan 2019   [Refereed]
Parabolic Jets from Spinning Black Hole in M87
Masanori Nakamura, Keiichi Asada, Kazuhiro Hada, Hung-Yi Pu, Scott Noble, Chihyin Tseng, Kenji Toma, et al.
The Astrophysical Journal   868 146-173   Dec 2018   [Refereed]
Fast-spinning black holes inferred from symmetrically limb-brightened radio jets
Kazuya Takahashi, Kenji Toma, Motoki Kino, Masanori Nakamura, Kazuhiro Hada
The Astrophysical Journal   868 82-103   Dec 2018   [Refereed]
Confinement of the Crab Nebula with tangled magnetic field by its supernova remnant
Shuta Tanaka, Kenji Toma, Nozomu Tominaga
Monthly Notices of the Royal Astronomical Society   478 4622-4633   May 2018   [Refereed]
Multi-messenger Observations of a Binary Neutron Star Merger
Abott, B. P. et al.
Astrophysical Journal Letters   848 12   Oct 2017   [Refereed]
S. Covino, K. Wiersema, Y.-Z. Fan, K. Toma, 他36名
Nature Astronomy   1 791-794   Oct 2017   [Refereed]
Rayleigh-Taylor Instability in Two-Component Relativistic Jets
Kenji Toma, Serguei S. Komissarov, Oliver Porth
Monthly Notices of the Royal Astronomical Society   472 1253-1258   Jul 2017   [Refereed]
Evolution of an accretion disc in binary black hole systems
Shigeo S. Kimura, Sanemichi Z. Takahashi, Kenji Toma
Monthly Notices of the Royal Astronomical Society   465 4406-4413   Nov 2016   [Refereed]
Kenji Toma, Fumio Takahara
Progress of Theoretical and Experimental Physics   2016 3E01   Jun 2016   [Refereed]
Sigeo S. Kimura, Kenji Toma, Takeru K. Suzuki, Shu-ichiro Inutsuka
Astrophysical Journal   822 88   May 2016   [Refereed]
Kenji Toma, Sung-Chul Yoon, Volker Bromm
Space Science Reviews      Apr 2016   [Refereed][Invited]
Henric S. Krawczynski 他
Astroparticle Physics   75 8-28   Oct 2015   [Refereed]
Shigeo S. Kimura, Kohta Murase, Kenji Toma
Astrophysical Journal   806 159-173   Jun 2015   [Refereed]
Jun Kakuwa, Kenji Toma, Katsuaki Asano, Masaaki Kusunose, Fumio Takahara
Monthly Notices of Royal Astronomical Society   449 551-558   May 2015   [Refereed]
Effects of High-Energy Particles on Accretion Flows onto a Supermassive Black Hole
Shigeo S. Kimura, Kenji Toma, Fumio Takahara
The Astrophysical Journal   791(100)    Aug 2014   [Refereed]
Kenji Toma, Fumio Takahara
Monthly Notices of Royal Astronomical Society   442 2855-2866   Jun 2014   [Refereed]
K. Wiersema, S. Covino, K. Toma, et al.
Nature   509 201-204   May 2014   [Refereed]
Katsuaki Asano, Fumio Takahara, Masaaki Kusunose, Kenji Toma, Jun Kakuwa
Astrophysical Journal   780 64   Dec 2013   [Refereed]
Kenji Toma
eConf Proceedings   C1304143 45   Aug 2013   [Refereed][Invited]
Kenji Toma, Fumio Takahara
Progress of Theoretical and Experimental Physics      Aug 2013   [Refereed]
Susumu Inoue 他
Astroparticle Physics   43 252   Jan 2013   [Refereed]
K. Toma, S. Mukohyama, D. Yonetoku, et al.
Physical Review Letters   109(24) 1104   Dec 2012   [Refereed]
Daisuke Yonetoku 他
Astrophysical Journal Letters   758 1   Sep 2012   [Refereed]
Jun Kakuwa, Murase Kohta, Kenji Toma, Susumu Inoue, Ryo Yamazaki, Kunihito Ioka
Monthly Notices of Royal Astronomical Society   425 514   Sep 2012   [Refereed]
Kenji Toma, Fumio Takahara
Astrophysical Journal   754 148-154   Aug 2012   [Refereed]
Takeshi Uehara, Kenji Toma 他
Astrophysical Journal Letters   752 6   May 2012   [Refereed]
Daisuke Yonetoku 他
Astrophysical Journal Letters   743 30   Nov 2011   [Refereed]
Kenji Toma, Xuefeng Wu, Peter Meszaros
Monthly Notices of Royal Astronomical Society   415 1663   Aug 2011   [Refereed]
Antonino Cucchiara 他
Astrophysical Journal   736 7   Jun 2011   [Refereed]
Shan Gao, Kenji Toma, Peter Meszaros
Physical Review D   83 3004   May 2011   [Refereed]
Hao-Ning He, Xue-Feng Wu, Kenji Toma, Xiang-Yu Wang, Peter Meszaros
Astrophysical Journal   733 22-32   Apr 2011   [Refereed]
Kohta Murase, Kenji Toma, Ryo Yamazaki, Peter Meszaros
Astrophysical Journal   732 77   Apr 2011   [Refereed]
Kenji Toma, Sakamoto Takanori, Peter Meszaros
Astrophysical Journal   731 127-142   Apr 2011   [Refereed]
M. Ackermann 他
Astrophysical Journal   729 114   Feb 2011   [Refereed]
M. De Pasquale 他
Astrophysical Journal Letters   709 146   Feb 2010   [Refereed]
Kohta Murase, Kenji Toma, Ryo Yamazaki, Shigehiro Nagataki, Kunihito Ioka
Monthly Notices of Royal Astronomical Society Letters   402 54   Feb 2010   [Refereed]
Kenji Toma, Xue-Feng Wu, Peter Meszaros
Astrophysical Journal   707 1404-1416   Dec 2009   [Refereed]
A.A. Abdo 他
Nature   462 331   Nov 2009   [Refereed]
Kenji Toma, Takanori Sakamoto, Bing Zhang, Joanne Hill, Mark McConnell, et al.
Astrophysical Journal   698(1042) 1053   Jun 2009   [Refereed]
Kenji Toma, Kunihito Ioka, Takashi Nakamura
Astrophysical Journal Letters   673 123-126   Feb 2008   [Refereed]
Kenji Toma, Kunihito Ioka, Takanori Sakamoto, Takashi Nakamura
Astrophysical Journal   659 1420-1430   Apr 2007   [Refereed]
Kunihito Ioka, Kenji Toma, Ryo Yamazaki, Takashi Nakamura
Astronomy & Astrophysics   458 7   Oct 2006   [Refereed]
Ryo Yamazaki, Kenji Toma, Kunihito Ioka, Takashi Nakamura
Monthly Notices of Royal Astronomical Society   369 311   Jun 2006   [Refereed]
Kenji Toma, Kunihito Ioka, Ryo Yamazaki, Takashi Nakamura
Astrophysical Journal Letters   640 139-142   Mar 2006   [Refereed]
Kenji Toma, Ryo Yamazaki, Takashi Nakamura
Astrophysical Journal   635 481-486   Aug 2005   [Refereed]
Kenji Toma, Ryo Yamazaki, Takashi Nakamura
Astrophysical Journal   620 835-839   Nov 2004   [Refereed]

Misc

 
當真賢二
日本物理学会誌   72 19-27   Jan 2017
高エネルギー天体物理学とその広がり
當真賢二
天文月報      Sep 2014
フェルミ衛星が明らかにしたガンマ線バーストの姿
大野雅功, 浅野勝晃, 田島宏康, 當真賢二, 山崎了
天文月報   103 315   May 2010
ガンマ線バーストの偏光
當真賢二
天文月報   101 442   Aug 2008

Conference Activities & Talks

 
GRB prompt emission polarization: an overview [Invited]
TOMA Kenji
Shedding new light on gamma-ray bursts with polarization data   27 Nov 2018   
AGN jet physics on the horizon scale [Invited]
TOMA Kenji
20 Nov 2018   
Gamma-ray bursts as an experimental tool of fundamental physics [Invited]
TOMA Kenji
Essential next steps for gravity and cosmology   20 Jun 2018   
Formation and dissipation mechanisms of AGN jets [Invited]
TOMA Kenji
Jet and Shock Breakouts in Cosmic Transients   17 May 2018   
Theoretical and Observational Studies on Relativistic Jets Driven by Black Holes [Invited]
TOMA Kenji
27th Workshop on General Relativity and Gravitation in Japan   27 Nov 2017   
Theoretical Studies of GRBs with Multi-wavelength polarimetry [Invited]
TOMA Kenji
2nd Core-U International Conference: Cosmic Polarimetry from Micro to Macro Scales   18 Feb 2017   
Acceleration and Collimation of Relativistic Jets [Invited]
Challenges of AGN Jets   17 Jan 2017   
Radio Polarimetric Study of Gamma-Ray Bursts [Invited]
SMA science in the next decade   27 Oct 2016   
Causal production of the electromagnetic energy flux and role of the negative energies in the Blandford-Znajek process
IAU Symposium 324: New Frontiers in Black Hole Astrophysics   Sep 2016   
"Theoretical Studies of Gamma-Ray Bursts with Multi-wavelength Polarimetry"
2nd Core-U International Conference: Cosmic Polarimetry from Micro to Macro Scales   17 Feb 2016   

Research Grants & Projects

 
Theoretical Models of Gamma-Ray Bursts in Light of the Fermi LAT-GBM Observations
NASA: Fermi GI Program, Cycle 2
Project Year: Sep 2009 - Aug 2010    Investigator(s): Peter Meszaros

Social Contribution

 
ガンマ線バーストの残光に円偏光発見
[Informant]  Science Portal  8 May 2014