在上海天文台，他是引力波和相对论基础天文学小组的成员。在此之前，他于2023年担任日本国家天文台的项目助理教授，并在哥伦比亚大学（2022-2023）、东北大学（2020-2022）和埃特沃斯大学（2017-2020）担任博士后。他于2017年获得了我在东京大学的天体物理学博士学位。到2024年，他在天体物理学领域的主要科学期刊上发表了26篇文章，其中包括17篇第一作者论文，总引用次数超过1200。

引力波天体物理，黑洞天体物理，吸积盘，盘-卫星相互作用，多信使天体物理，瞬变，恒星动力学

1 Tagawa, Hiromichi; Kimura, Shigeo S.; Haiman, Zoltán; Perna, Rosalba; Bartos, Imre; Shock Cooling and Breakout Emission for Optical Flares Associated with Gravitational-wave Events, 2024, ApJ, 966, 21

2 Tagawa, Hiromichi; Haiman, Zoltán; Flares from stars crossing active galactic nucleus discs on low-inclination orbits, 2023, MNRAS, 526, 69

3 Tagawa, Hiromichi; Kimura, Shigeo S.; Haiman, Zoltán; Perna, Rosalba; Bartos, Imre; Observable Signature of Merging Stellar-mass Black Holes in Active Galactic Nuclei, 2023, ApJ, 950, 13

4 Samsing, J.; Bartos, I.; D'Orazio, D. J.; Haiman, Z.; Kocsis, B.; Leigh, N. W. C.; Liu, B.; Pessah, M. E.; Tagawa, H.; AGN as potential factories for eccentric black hole mergers, 2022, Nature, 603, 237

5 Tagawa, Hiromichi; Kimura, Shigeo S.; Haiman, Zoltán; Perna, Rosalba; Tanaka, Hidekazu; Bartos, Imre; Can Stellar-mass Black Hole Growth Disrupt Disks of Active Galactic Nuclei? The Role of Mechanical Feedback, 2022, ApJ, 927, 41

6 Tagawa, Hiromichi; Kocsis, Bence; Haiman, Zoltán; Bartos, Imre; Omukai, Kazuyuki; Samsing, Johan; Mass-gap Mergers in Active Galactic Nuclei, 2021, ApJ, 908, 194

7 Tagawa, Hiromichi; Kocsis, Bence; Haiman, Zoltán; Bartos, Imre; Omukai, Kazuyuki; Samsing, Johan, Eccentric Black Hole Mergers in Active Galactic Nuclei, 2021, ApJ, 907, 20

8 Tagawa, Hiromichi; Haiman, Zoltán; Kocsis, Bence; Formation and Evolution of Compact-object Binaries in AGN Disks, 2020, ApJ, 898, 25

9 Tagawa, Hiromichi; Haiman, Zoltan; Kocsis, Bence; Making a Supermassive Star by Stellar Bombardment, 2020, 892, 36

10 Tagawa, Hiromichi; Saitoh, Takayuki R.; Kocsis, Bence; Compact Object Mergers Driven by Gas Fallback, 2018, Phys. Rev. Lett., 120, 261101