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Dept. of Space Astronomy and Astrophysics

Researcher List >> Akihiro DOI
 

Akihiro DOI

 
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NameAkihiro DOI
URL
AffiliationJapan Aerospace Exploration Agency
SectionInstitute of Space and Astronautical Science
Job title助教
Degree博士 (理学)(東京大学)
Other AffiliationThe Graduate University for Advanced Studies School of Physical Sciences Department of Space and Astronautical Science
Research funding number90403641
ORCID ID0000-0003-4384-9568
J-Global ID201101033666007265

Research Interests

 
Astronomy ,Astrophysics ,宇宙プラズマ物理 ,宇宙の構造形成 ,宇宙観測機器開発 ,Aerospace engineering ,black holes ,Gamma-ray bursts ,Relativistic jets ,Active galactic nuclei ,Interferometry

Research Areas

 
  • Natural sciences / Astronomy / 
  • Natural sciences / Particle, nuclear, cosmic-ray, and astrophysics - experiment / 
  • Aerospace, marine, and maritime Engineering / Aerospace engineering / 

Research History

 
Apr 2007
 - 
Today
The Graduate University for Advanced Studies School of Physical Sciences, Department of Space and Astronautical Science  
 
Apr 2007
 - 
Today
Sojo University Faculty of Engineering, Department of Aerospace Systems Engineering  
 
Apr 2005
 - 
Mar 2007
Yamaguchi University Faculty of Science  
 

Papers

 
 
Takayuki J Hayashi   Akihiro Doi   Hiroshi Nagai   
Monthly Notices of the Royal Astronomical Society   530(3) 2590-2607   Apr 2024
ABSTRACT

A substantial fraction of quasars display broad absorption lines (BALs) in their rest-frame ultraviolet spectra. While the origin of BALs is thought to be related to the accretion disc wind, it remains unclear whether the observed ratio...
 
Hiroaki TANAKA   Takashi IWASA   Nozomu KOGISO   Nobuhisa KATSUMATA   Hiraku SAKAMOTO   Tadashige IKEDA   Naoko KISHIMOTO   Ken HIGUCHI   Motoharu FUJIGAKI   Akihiro DOI   Yasutaka SATO   Masahiro YAMATANI   
JAXA Research and Development Report   23(003) 1-21   Feb 2024   [Refereed]
 
Tomonari Michiyama   Yoshiyuki Inoue   Akihiro Doi   
Publications of the Astronomical Society of Japan      Oct 2023   [Refereed]
 
Mieko Takamura   Kazuhiro Hada   Mareki Honma   Tomoaki Oyama   Aya Yamauchi   Syunsaku Suzuki   Yoshiaki Hagiwara   Monica Orienti   Filippo D’Ammando   Jongho Park   Minchul Kam   Akihiro Doi   
The Astrophysical Journal      Jul 2023   [Refereed]
 
Ru-Sen Lu   Keiichi Asada   Thomas P. Krichbaum   Jongho Park   Fumie Tazaki   Hung-Yi Pu   Masanori Nakamura   Andrei Lobanov   Kazuhiro Hada   Kazunori Akiyama   Jae-Young Kim   Ivan Marti-Vidal   José L. Gómez   Tomohisa Kawashima   Feng Yuan   Eduardo Ros   Walter Alef   Silke Britzen   Michael Bremer   Avery E. Broderick   Akihiro Doi   Gabriele Giovannini   Marcello Giroletti   Paul T. P. Ho   Mareki Honma   David H. Hughes   Makoto Inoue   Wu Jiang   Motoki Kino   Shoko Koyama   Michael Lindqvist   Jun Liu   Alan P. Marscher   Satoki Matsushita   Hiroshi Nagai   Helge Rottmann   Tuomas Savolainen   Karl-Friedrich Schuster   Zhi-Qiang Shen   Pablo de Vicente   R. Craig Walker   Hai Yang   J. Anton Zensus   Juan Carlos Algaba   Alexander Allardi   Uwe Bach   Ryan Berthold   Dan Bintley   Do-Young Byun   Carolina Casadio   Shu-Hao Chang   Chih-Cheng Chang   Song-Chu Chang   Chung-Chen Chen   Ming-Tang Chen   Ryan Chilson   Tim C. Chuter   John Conway   Geoffrey B. Crew   Jessica T. Dempsey   Sven Dornbusch   Aaron Faber   Per Friberg   Javier González García   Miguel Gómez Garrido   Chih-Chiang Han   Kuo-Chang Han   Yutaka Hasegawa   Ruben Herrero-Illana   Yau-De Huang   Chih-Wei L. Huang   Violette Impellizzeri   Homin Jiang   Hao Jinchi   Taehyun Jung   Juha Kallunki   Petri Kirves   Kimihiro Kimura   Jun Yi Koay   Patrick M. Koch   Carsten Kramer   Alex Kraus   Derek Kubo   Cheng-Yu Kuo   Chao-Te Li   Lupin Chun-Che Lin   Ching-Tang Liu   Kuan-Yu Liu   Wen-Ping Lo   Li-Ming Lu   Nicholas MacDonald   Pierre Martin-Cocher   Hugo Messias   Zheng Meyer-Zhao   Anthony Minter   Dhanya G. Nair   Hiroaki Nishioka   Timothy J. Norton   George Nystrom   Hideo Ogawa   Peter Oshiro   Nimesh A. Patel   Ue-Li Pen   Yurii Pidopryhora   Nicolas Pradel   Philippe A. Raffin   Ramprasad Rao   Ignacio Ruiz   Salvador Sanchez   Paul Shaw   William Snow   T. K. Sridharan   Ranjani Srinivasan   Belén Tercero   Pablo Torne   Efthalia Traianou   Jan Wagner   Craig Walther   Ta-Shun Wei   Jun Yang   Chen-Yu Yu   
Nature   616(7958) 686-690   Apr 2023   [Refereed]
Abstract

The nearby radio galaxy M87 is a prime target for studying black hole accretion and jet formation1,2. Event Horizon Telescope observations of M87 in 2017, at a wavelength of 1.3 mm, revealed a ring-like structure, which was in...

Misc.

 
 
田中宏明   小木曽望   岩佐貴史   坂本啓   池田忠繁   勝又暢久   岸本直子   樋口健   藤垣元治   土居明広   佐藤泰貴   
宇宙科学技術連合講演会講演集(CD-ROM)   67th    2023
 
Hatsune Goto   Daisuke Yonetoku   Naoki Ogino   Shuta Takahashi   Tomoya Sato   Kazuma Mukai   Makoto Arimoto   Tatsuya Sawano   Tatehiro Mihara   Takanori Sakamoto   Jin Li   Yoshitomo Maeda   Akihiro Doi   
Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray      Aug 2022   
 
Akahori, Takuya   Imai, Hiroshi   Eie, Sujin   Oyama, Tomoaki   Kimura, Kimihiro   Kurayama, Tomoharu   Kono, Yusuke   Kobayashi, Hideyuki   Sakai, Daisuke   Sakai, Nobuyuki   Teraya, Takaaki   Jike, Takaaki   Motogi, Kazuhito   Sugiyama, Koichiro   Sudo, Hiroshi   Takefuji, Kazuhiro   Kino, Motoki   Doi, Akihiro   Nagai, Hiroshi   Nagayama, Takumi   Niinuma, Kotaro   Hada, Kazuhiro   Nakagawa, Akiharu   Hirota, Tomoya   Fujisawa, Kenta   Yonekura, Yoshinori   
VLBI Future Planning Working Group Review Report, June 2021, 4th Edition      Jun 2021   
 
Kohji Tsumura   Daisuke Yonetoku   Koji Kawabata   Shuji Matsuura   Hirofumi Noda   Yuji Urata   Yuu Niino   Kei Sano   Akisato Ohashi   Akihiro Doi   Hiroshi Akitaya   Akihiro Miyasaka   Miku Kurimata   Yoshikatsu Kawata   Makoto Arimoto   Hirofumi Hirofumi Okita   
Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave      Dec 2020   
 
Daisuke Yonetoku   Tatehiro Mihara   Akihiro Doi   Takanori Sakamoto   Kohji Tsumura   Kunihito Ioka   Yusuke Amaya   Makoto Arimoto   Teruaki Enoto   Takeru Fujii   Hatsune Goto   Shuichi Gunji   Junko Hiraga   Hirokazu Ikeda   Nobuyuki Kawai   Shunsuke Kurosawa   Jin Li   Yoshitomo Maeda   Ikuyuki Mitsuishi   Toshio Murakami   Yujin Nakagawa   Naoki Ogino   Masanori Ohno   Tatsuya Sawano   Kensho Sei   Motoko Serino   Satoshi Sugita   Toru Tamagawa   Keisuke Tamura   Takaaki Tanaka   Toru Tanimori   Makoto S. Tashiro   Hiroshi Tomida   Hyeongsoon Wang   Tomohiro Yamaguchi   Ayumi Yamamoto   Kazutaka Yamaoka   Makoto Yamauchi   Yoichi Yatsu   Atsumasa Yoshida   Daito Yuhi   Hiroshi Akitaya   Akihiko Fukui   Yoshifusa Ita   Hidehiro Kaneda   Koji Kawabata   Yoshikatsu Kawata   Miku Kurimata   Toshio Matsumoto   Shuji Matsuura   Akihiro Miyasaka   Kentaro Motohara   Norio Narita   Hirofumi Noda   Akisato Ohashi   Hirofumi Okita   Kei Sano   Masaomi Tanaka   Yuji Urata   Takehiko Wada   Hikaru Yamaguchi   Kenshi Yanagisawa   Michitoshi Yoshida   Katsuaki Asano   Kohei Inayoshi   Susumu Inoue   Hirotaka Ito   Hideyuki Izumiura   Norita Kawanaka   Tomoya Kinugawa   Shota Kisaka   Kenta Kiuchi   Jin Matsumoto   Akira Mizuta   Kohta Murase   Hiroki Nagakura   Shigehiro Nagataki   Yoshikazu Nakada   Takashi Nakamura   Yuu Niino   Yudai Suwa   Keitaro Takahashi   Takahiro Tanaka   Kenji Toma   Tomonori Totani   Ryo Yamazaki   Jun'ichi Yokoyama   
Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray      Dec 2020   

Presentations

 
 
本間希樹   秦和弘   鵜澤佳徳   廣田朋也   増井翔   秋山和徳   新沼浩太郎   大須賀健   川島朋尚   小山翔子   佐野栄俊   土居明広   萩原喜昭   樋口あや   恒任優   Peter Galison   Michael Johnson   Hannah Rana   Edward Tong   
日本天文学会春季年会   15 Mar 2024   
 
田中 宏明   小木曽 望   岩佐 貴史   勝又 暢久   坂本 啓   池田 忠繁   岸本 直子   樋口 健   藤垣 元治   土居 明広   佐藤 泰貴   
大気球シンポジウム   1 Oct 2023   
 
石村 康生   菊谷 冬馬   風間 隼太郎   定村 嵐   青木 信篤   小野寺 隼作   江熊 信康   河野 太郎   宮下 朋之   田中 宏明   鳥阪 綾子   土居 明広   山谷 昌大   中尾 達郎   福家 英之   水村 好貴   
大気球シンポジウム   1 Oct 2023   
 
河野 裕介   土居 明広   小山 友明   村田 泰宏   岳藤 一宏   米倉 覚則   岡田 望   本間 希樹   
大気球シンポジウム   1 Oct 2023   
 
道山知成   井上芳幸   土居明広   
日本天文学会秋季年会   21 Sep 2023   

Research Projects

 
 
Further Transformation of Multi Messenger Observation Satellite Collaborating with X-ray and Near-Infrared Observations
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2023 - Mar 2028
 
Systematic studies of the coronal radio emission from supermassive black holes
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2020 - Mar 2023
 
成層圏における電波干渉計フライト実証試験の再挑戦
日本学術振興会: 科学研究費(基盤研究(B))
土居明広 
Project Year: Apr 2017 - Mar 2020
 
Project Year: Oct 2016 - Nov 2017
 
Observational study of jet-formation regions in supermassive black holes with a novel VLBI technique
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Hada Kazuhiro HONMA Mareki DOI Akihiro KINO Motoki GIOVANNINI Gabriele 
Project Year: Apr 2014 - Mar 2017