Takashi Nagao 長尾崇史

NAOJ Fellow (Project Assistant Professor), Division of Science, National Astronomical Observatory of Japan

Assistant Professor, Astronomical Science Program, SOKENDAI (The Graduate University for Advanced Studies)

Visiting Researcher, University of Turku, Finland

I study supernovae. Combining polarimetric observations with radiative-transfer calculations, I investigate the shapes of supernova explosions and the circumstellar material around them, with the aim of understanding what kinds of stars explode and how.

CV(PDF) Publications (NASA ADS) ORCID takashi.nagao [at] nao.ac.jp

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Employment

Oct 2026–: Part-time Lecturer, Faculty of Science and Technology, Keio University

Dec 2025–: Assistant Professor, Astronomical Science Program, SOKENDAI

Sep 2025– : NAOJ Fellow (Project Assistant Professor), National Astronomical Observatory of Japan

Sep 2025–: Visiting Researcher, University of Turku, Finland

Jan 2023–Sep 2025: Visiting Researcher, Aalto University, Finland

Apr 2021–Sep 2025: Postdoctoral Researcher, University of Turku, Finland

Apr 2019–Mar 2021: JSPS Overseas Research Fellow, European Southern Observatory (Germany) and University of Turku (Finland)

Apr 2017–Mar 2019: JSPS Research Fellow (DC2), Kyoto University

Education

Mar 2019: PhD in Astronomy, Graduate School of Science, Kyoto University

Mar 2016: MSc, Graduate School of Science, Kyoto University

Mar 2014: BSc, Faculty of Science, Kyoto University

News

Oct 2026: Attended the workshop "Supernova studies in the era of the Roman Space Telescope and Rubin/LSST" and gave a talk on "Observational Diversity in Interacting Supernovae and the Diversity of Their CSM Properties"

Oct 2026: Teaching Earth and Environmental Science II at the Faculty of Science and Technology, Keio University.

May 2026: Attended the IAU Symposium 406 in University of Turku and presented a poster on "Giant Clumpy Outbursts in the Progenitor of Type II Supernova 2024qiw"

Apr-May 2026: Visited the SN group at the University of Turku in Finland for research discussions.

Apr 2026: Paper on "Giant outbursts of clumpy material preceding Type II supernova 2024qiw" published in Astronomy & Astrophysics.

Mar 2026: Paper on "Analytical modeling of polarization signals arising from confined circumstellar material in Type II supernovae" published in Astronomy & Astrophysics.

Mar 2026: Visited Dr. Yamanaka’s lab at Kagoshima University for research discussions and gave a seminar talk on "重力崩壊型超新星の多様な爆発形状から探る爆発機構".

Mar 2026: Attended the Spring Annual Meeting of ASJ at Kyoto Sangyo University in Kyoto and gave a talk on "II型超新星2024qiwの親星における巨大な塊状噴出現象".

Dec 2025: Joined the Astronomical Science Program, SOKENDAI, as Assistant Professor.

Sep 2025: Joined the National Astronomical Observatory of Japan as NAOJ fellow.

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Takashi Nagao 長尾 崇史

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Takashi Nagao 長尾崇史