Masahiro Tsujimoto

(辻本匡弘)

Profile Information

Affiliation: Assistant professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

Degree: 博士（理学）(Mar, 2003, 京都大学)
修士（理学）(Mar, 2000, 京都大学)

Contact information: tsujimoto.masahirojaxa.jp
Researcher number: 10528178
ORCID ID: https://orcid.org/0000-0002-9184-5556
J-GLOBAL ID: 201801010256574610
Researcher ID: ABC-6667-2020
researchmap Member ID: B000296937

External link: http://www.isas.jaxa.jp/home/tsujimot/

Research Interests

Research Areas

Research History

Apr, 2025 - Present

Assistant professor, Graduate School of Science, The University of Tokyo
Apr, 2020 - Present

Assistant professor, Graduate School of Science and Technology, Kwansei Gakuin University
Jun, 2019 - Present

Assistant professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
Apr, 2020 - Mar, 2025

Assistant professor, School of Physical Sciences Department of Space and Astronautical Science, The Graduate University for Advanced Studies
Jul, 2008 - May, 2019

Research Associate, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

Education

Apr, 2000 - Mar, 2003

Department of Physics and Astrophysics, Graduate School of Science, Kyoto University
Apr, 1998 - Mar, 2000

Department of Physics and Astrophysics, Graduate School of Science, Kyoto University
Apr, 1994 - Mar, 1998

Faculty of Science, Faculty of Science, Kyoto University

Committee Memberships

Apr, 2021 - Mar, 2023

運営委員, 総合研究大学院大学物理科学研究科宇宙科学専攻

Papers

256

Energy shift of Fe-K fluorescence lines due to low ionization demonstrated with XRISM in Centaurus X-3

Yutaro Nagai, Teruaki Enoto, Masahiro Tsujimoto, Hiroya Yamaguchi, Yuto Mochizuki, Ehud Behar, Lia Corrales, Paul A Draghis, Ken Ebisawa, Natalie Hell, Timothy R Kallman, Richard L Kelley, Pragati Pradhan, Shinya Yamada, Toshiyuki Azuma, Xiao-Min Tong

Publications of the Astronomical Society of Japan, Mar 6, 2026
XRISM view of a stellar flare: High-resolution Fe K spectra of HR 1099, an RS CVn-type star

Miki Kurihara, Masahiro Tsujimoto, Michael Loewenstein, Yoshitomo Maeda, Marc Audard, Ehud Behar, Megan E Eckart, Adam Foster, Liyi Gu, Matteo Guainazzi, Kenji Hamaguchi, Natalie Hell, Shun Inoue, Yukiko Ishihara, Satoru Katsuda, Caroline A Kilbourne, Maurice A Leutenegger, Eric D Miller, Nagisa Nagashima, Frederick Scott Porter, Makoto Sawada, Yohko Tsuboi, Vinay L Kashyap, David H Brooks

Publications of the Astronomical Society of Japan, Feb 5, 2026
Absolute timing calibration of the Resolve microcalorimeter spectrometer on the X-ray Imaging and Spectroscopy Mission

Makoto Sawada, Megan E. Eckart, Teruaki Enoto, Yoshitaka Ishisaki, Caroline A. Kilbourne, Michael Loewenstein, Eric D. Miller, Frederick S. Porter, Katja Pottschmidt, Megumi Shidatsu, Russel F. Shipman, Takaaki Tanaka, Yukikatsu Terada, Masahiro Tsujimoto, Tahir Yaqoob, Tomokage Yoneyama, Chulsoo Kang, Tsuyoshi Miyazaki, Yuto Mochizuki, Yugo Motogami, Taichi Nakamoto, Yuuki Niida, Tomoki Omama, Minami Sakama, Takumi Shioiri, Toshihiro Takagi

Journal of Astronomical Telescopes, Instruments, and Systems, 11(04), Dec 18, 2025
Strategies for the in-orbit gain tracking using the modulated X-ray sources for the Resolve microcalorimeter spectrometer on the X-ray Imaging and Spectroscopy Mission

Makoto Sawada, Renata Cumbee, Cor de Vries, Megan E. Eckart, Ryuichi Fujimoto, Yoshitaka Ishisaki, Caroline A. Kilbourne, Shunji Kitamoto, Maurice A. Leutenegger, Frederick S. Porter, Russell F. Shipman, Yoh Takei, Masahiro Tsujimoto

Journal of Astronomical Telescopes, Instruments, and Systems, 11(04), Oct 16, 2025
Benchmark of the Fe xxv 𝓡 ratio in photoionized plasma during eclipse of Centaurus X-3 with XRISM/Resolve

Yuto Mochizuki, Masahiro Tsujimoto, Maurice A Leutenegger, Liyi Gu, Ralf Ballhausen, Ehud Behar, Paul A Draghis, Natalie Hell, Pragati Pradhan

Publications of the Astronomical Society of Japan, Sep 30, 2025

Misc.

科学衛星データ高次処理

海老沢研, 厚地凪, BORTOLAMI Marco, 茅根裕司, 海老沢研, 金丸善朗, 栗原明稀, 森口諒介, 望月雄友, 水本岬希, 長野佑哉, 中平聡志, 大間々知輝, 小川翔司, 鈴木寛大, スティーバーサマンサ, 桜井雄基, 丹波翼, 辻本匡弘, 富永愛侑, 高瀬祐介, 高倉隼人, TOMASI Maurizio

宇宙航空研究開発機構特別資料 JAXA-SP-(Web), (24-001), 2025
XRISM衛星を用いた大質量X線連星Vela X-1の輝線解析

加藤寛之, 斉藤裕次郎, 榎戸輝揚, KALLMAN Tim, LEUTENEGGER Maurice, POTTSCHMIDT Katja, 渡辺伸, 辻本匡弘, GUAINAZZI Metteo, BEHAR Ehud, 米山友景, BROWN Greg, HELL Natalie, BALLHAUSEN Ralf, TRIGO Maria Diaz, GARCIA Javier, CORRALES Lia, 幸村孝由, 中嶋大, 小高裕和, 河村穂登, 杉崎睦, MA Rulcan, 松永海

日本天文学会年会講演予稿集, 2025, 2025
XRISM衛星によるX線連星Vela X-1初期観測の鉄輝線の解析

斉藤裕次郎, 榎戸輝揚, 渡辺伸, 辻本匡弘, KALLMAN Tim, LEUTENEGGER Maurice, POTTSCHMIDT Katja, GUAINAZZI Metteo, BEHAR Ehud, 米山友景, BROWN Greg, HELL Natalie, BALLHAUSEN Ralf, DIAZ TRIGO Maria, GARCIA Javier, CORRALES Lia, 幸村孝由, NAKAJIMA Hiroshi, 小高裕和, 河村穂登, 杉崎睦, MA Rulcan

日本天文学会年会講演予稿集, 2024, 2024
X線分光撮像衛星XRISMの軌道上運用の現状

田代信, 寺田幸功, 前島弘則, 戸田謙一, 山口弘悦, 竹井洋, 冨田洋, 藤本龍一, 辻本匡弘, 渡辺伸, KELLEY R., REICHENTHAL L., HARTZ L., SNEIDERMAN G., PETRE R., WILLIAMS B., HOLLAND M., LOEWENSTEIN M., 松下恭子, GUAINAZZI M., COSTANTINI E., 石崎欣尚, 森浩二, 中嶋大, MILLER E., 澤田真理

日本天文学会年会講演予稿集, 2024, 2024
X線分光撮像衛星XRISMの現状

田代信, 田代信, 寺田幸功, 寺田幸功, 前島弘則, 戸田謙一, 山口弘悦, 竹井洋, 冨田洋, 藤本龍一, 辻本匡弘, 渡辺伸, KELLEY R., REICHENTHAL L., HARTZ L., SNEIDERMAN G., PETRE R., WILLIAMS B., HOLLAND M., LOEWENSTEIN M., 松下恭子, GUAINAZZI M., COSTANTINI E., 石崎欣尚, 石崎欣尚, 森浩二, 森浩二, 中嶋大, 中嶋大

日本天文学会年会講演予稿集, 2023, 2023

Professional Memberships

Apr, 2003 - Present

International Astronomical Union
Oct, 2000 - Present

Physical Society of Japan
Jul, 1998 - Present

Astronomical Society of Japan

Research Projects

実験室宇宙物理の開拓によるIa型超新星残骸研究の革新

科学研究費助成事業, 日本学術振興会, Apr, 2019 - Mar, 2022

山口弘悦, 辻本匡弘, 山崎典子
Development of the onboard digital electronics for the cosmic microwave background mission LiteBIRD

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2022

Tsujimoto Masahiro
Study of mass accretion and outflow phenomena around compact objects thorough X-ray observations and theories

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Ebisawa Ken, Kusunoki Eriko, Mizumoto Misaki
Study of large scale gas dynamics with high resolution X-ray spectroscopy

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Ishisaki Yoshitaka, YAMADA SHINYA
New Development of Research on Neutron Stars by X- and Gamma-Rays Observatory

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Jun, 2012 - Mar, 2017

Takahashi Tadayuki, Done Chris, Khangulyan Dmitry, Odaka Hirokazu, Sato Goro, Enoto Teruaki, Saito Shinya, Hagino Koichi

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