Nagao Tohru

ナガオトオル | Nagao Tohru

Affiliation and department：
Job title： Professor

Research field (1)： Astronomy

Research keywords (11)：化学進化 , 超巨大ブラックホール , 銀河進化 , 銀河形成 , 天体物理学 , Photoionization Model , Chemical Evolution , Supermassive Black Hole , Galaxy Evolution , Galaxy Formation , Astrophysics

Research theme for competitive and other funds (18)：

2021 - 2025 活動銀河核構造の全波長域新パラダイムの確立
2020 - 2024 Exploring the evolution of supermassive black holes through the synergetic wide-field observations with Subaru/HSC and eROSITA
2019 - 2024 Deciphering the origin of supermassive black holes through the comprehensive study of multiple AGNs
2017 - 2021 Cosmic HydrOgen Reionization Unveiled with Subaru (CHORUS)
2016 - 2020 An observational study of the evolution of supermassive black holes through the combination of the Subaru HSC survey and multi-wavelength dataset

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Papers (294)：

K. Iwasawa, T. Liu, Th Boller, J. Buchner, J. Li, T. Kawaguchi, T. Nagao, Y. Terashima, Y. Toba, J. D. Silverman, et al. Steep-spectrum AGN in eROSITA Final Equatorial-Depth Survey (eFEDS): Their host galaxies and multi-wavelength properties. Astronomy and Astrophysics. 2024. 684
Yoshiki Matsuoka, Takuma Izumi, Masafusa Onoue, Michael A. Strauss, Kazushi Iwasawa, Nobunari Kashikawa, Masayuki Akiyama, Kentaro Aoki, Junya Arita, Masatoshi Imanishi, et al. Discovery of Merging Twin Quasars at z = 6.05. The Astrophysical Journal Letters. 2024
Hisakazu Uchiyama, Yoshiki Matsuoka, Tohru Nagao, Nobunari Kashikawa, Hina Kurasawa, Jun Toshikawa, Taira Oogi, Hideki Umehata, Mariko Kubo, Yoshiki Toba, et al. A Global Correlation between Galaxy Density and Intergalactic HI Gas at z∼4 from Imaging Data. 2024
Yoshiki Toba, Aoi Hashiguchi, Naomi Ota, Masamune Oguri, Nobuhiro Okabe, Yoshihiro Ueda, Masatoshi Imanishi, Atsushi J. Nishizawa, Tomotsugu Goto, Bau-Ching Hsieh, et al. AGN properties of ~1 million member galaxies of galaxy groups and clusters at z < 1.4 based on the Subaru Hyper Suprime-Cam survey. The Astrophysical Journal. 2024
Wanqiu He, Masayuki Akiyama, Motohiro Enoki, Kohei Ichikawa, Kohei Inayoshi, Nobunari Kashikawa, Toshihiro Kawaguchi, Yoshiki Matsuoka, Tohru Nagao, Masafusa Onoue, et al. Black Hole Mass and Eddington-ratio Distributions of Less-luminous Quasars at z ∼ 4 in the Subaru Hyper Suprime-Cam Wide Field. Astrophysical Journal. 2024. 962. 2

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MISC (1)：

Warren Skidmore, Ian Dell'Antonio, Misato Fukugawa, Aruna Goswami, Lei Hao, David Jewitt, Greg Laughlin, Charles Steidel, Paul Hickson, Luc Simard, et al. Thirty Meter Telescope Detailed Science Case: 2015. 2015

Lectures and oral presentations (176)：

AGN observations: beyond the HSC-SSP survey
(2022)
New pictures of radio galaxies viewed with Subaru/HSC
(2022)
Future infrared views for the chemical enrichment history of galaxies
(international meeting "Symposium15 in European Astronomical Society Annual Meeting 2022: The golden decade of infrared astrophysics" (Valencia, Spain) 2022)
Opening Remark
(2021)
全波長帯での詳細観測で解明するSMBHの銀河への影響
(研究会 "超巨大ブラックホール研究会: その実態・影響・起源の全貌解明に向けて" (オンライン) 2021)

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Education (3)：

2001 - 2004 Tohoku University Graduate School of Science Astronomical Institute
1999 - 2001 Tohoku University Graduate School of Science Astronomical Institute
1995 - 1999 Tohoku University Faculty of Science Astronomical Institute

Professional career (1)：

Doctor of Science (Tohoku University)

Work history (9)：

2013/11 - 現在 Ehime University Research Center for Space and Cosmic Evolution Professor
2019/04 - 2020/03 National Institutes of Natural Sciences
2015/04 - 2017/03 National Astronomical Observatory of Japan TMT Project Visiting professor
2011/04 - 2013/10 Kyoto University Hakubi Center for Advanced Studies Associate professor
2010/04 - 2011/03 National Astronomical Observatory of Japan Division of Optical and Infrared Astronomy Visiting researcher

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Committee career (34)：

2022/04 - 現在公益社団法人日本天文学会代議員
2022/02 - 現在光学赤外線天文学連絡会 SPICA総括WG
2021/10 - 現在光学赤外線天文学連絡会運営委員会
2021/02 - 現在光学赤外線天文学連絡会 ELTアクセス検討WG
2020/10 - 現在高エネルギー宇宙物理連絡会将来計画委員会

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Awards (3)：

2011/09 - Astronomical Society of Japan ASJ Young Astronomer Award Observational studies on the cosmic chemical evolution
2011/09 - Astronomical Society of Japan PASJ Excellent Paper Award Lyman alpha emitters at z=5.7 in the Subaru Deep Field
2005/03 - Astronomical Society of Japan PASJ Excellent Paper Award The discovery of two Lyman alpha emitters beyond z=6 in the Subaru Deep Field

Association Membership(s) (3)：

International Astronomical Union , 日本天文学会 , 光学赤外線天文学連絡会

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