Kohei Inayoshi

​・Total number of papers: 92 + 5 LVK collaboration papers (related to my work)
・First Author: 28 publications 
・Supervise + Second Author: 23 publications 
・Total number of citations: 4600 (ADS), 9400 (Google Scholar)

2025

[92] "The First Photometric Evidence of a Transient/Variable Source at z>5 with JWST"
        Christa DeCoursey, Eiichi Egami, Fengwu Sun, Arshia Akhtarkavan, Rachana Bhatawdekar, Andrew J. Bunker,
        David A. Coulter, Michael Engesser, Ori D. Fox, Sebastian Gomez, Kohei Inayoshi, Benjamin D. Johnson,
        Mitchell Karmen, Conor Larison, Xiaojing Lin, Jianwei Lyu, Seppo Mattila, Takashi J. Moriya, Justin D. R. Pierel,
        Dávid Puskás, Armin Rest, George H. Rieke, Brant Robertson, Sepehr Salamat, Louis-Gregory Strolger,
        Sandro Tacchella, Christian Vassallo, Christina C. Williams, Yossef Zenati, Junyu Zhang
        Submitted to ApJL (arXiv:2504.17007)

[91] "Massive Black Hole Seed Formation in Strong X-ray Environments at High Redshift"
        Kazutaka Kimura, Kohei Inayoshi, Kazuyuki Omukai
        Submitted to ApJ (arXiv:2504.10581)

[90] "The X-ray statistical properties of dust-obscured galaxies detected by eROSITA"
        Akatoki Noboriguchi, Kohei Ichikawa, Yoshiki Toba, Tom Dwelly, Kohei Inayoshi, Toshihiro Kawaguchi, Teng Liu,
        Yuichi Terashima, Yoshihiro Ueda, Masayuki Akiyama, Marcella Brusa, Johannes Buchner, Kotaro Kohno,
        Andrea Merloni, Tohru Nagao, Mara Salvato, Hyewon Suh, Tanya Urrutia
        Submitted to A&A (arXiv:2504.09180)

[89] "Formation of the Little Red Dots from the Core-collapse of Self-interacting Dark Matter Halos"
        Fangzhou Jiang, Zixiang Jia, Haonan Zheng, Luis C. Ho, Kohei Inayoshi, Xuejian Shen, Mark Vogelsberger,
        Wei-Xiang Feng
        Submitted to ApJL (arXiv:2503.23710)

[88] "Little Red Dots as the Very First Activity of Black Hole Growth"
        Kohei Inayoshi
        Submitted to ApJL (arXiv:2503.05537)

[87] "J1406+0102: Dust Obscured Galaxy Hiding Super Eddington Accretion System with Bright Radio Emission"
        Hikaru Fukuchi, Kohei Ichikawa, Masayuki Akiyama, Shigeo Kimura, Yoshiki Toba, Kohei Inayoshi, Akatoki
        Noboriguchi, Toshihiro Kawaguchi, Xiaoyang Chen, Itsna K. Fitriana
        Submitted to ApJL (arXiv:2303.05605)

[86] "No [CII] or dust detection in two Little Red Dots at z_spec > 7"
        Mengyuan Xiao, Pascal A. Oesch, Longji Bing, David Elbaz, Jorryt Matthee, Yoshinobu Fudamoto, Seiji Fujimoto,
        Rui Marques-Chaves, Christina C. Williams, Miroslava Dessauges-Zavadsky, Francesco Valentino, Gabriel Brammer,
        Alba Covelo-Paz, Emanuele Daddi, Johan P. U. Fynbo, Steven Gillman, Michele Ginolfi, Emma Giovinazzo,
        Jenny E. Greene, Qiusheng Gu, Garth Illingworth, Kohei Inayoshi, Vasily Kokorev, Romain A. Meyer, Rohan P. Naidu,
        Naveen A. Reddy, Daniel Schaerer, Alice Shapley, Mauro Stefanon, Charles L. Steinhardt, David J. Setton,
        Marianne Vestergaard, Tao Wang
        Submitted to A&A (arXiv:2503.01945)

[85] "BlackTHUNDER -- A non-stellar Balmer break in a black hole-dominated little red dot at z=7.04"
        Xihan Ji, Roberto Maiolino, Hannah Übler, Jan Scholtz, Francesco D'Eugenio, Fengwu Sun, Michele Perna,
        Hannah Turner, Santiago Arribas, Jake S. Bennett, Andrew Bunker, Stefano Carniani, Stéphane Charlot,
        Giovanni Cresci, Mirko Curti, Eiichi Egami, Andy Fabian, Kohei Inayoshi, Yuki Isobe, Gareth Jones, Ignas Juodžbalis,
        Nimisha Kumari, Jianwei Lyu, Giovanni Mazzolari, Eleonora Parlanti, Brant Robertson, Bruno Rodríguez Del Pino,
        Raffaella Schneider, Debora Sijacki, Sandro Tacchella, Alessandro Trinca, Rosa Valiante, Giacomo Venturi,
        Marta Volonteri, Chris Willott, Callum Witten, Joris Witstok
        Submitted to ApJ (arXiv:2501.13082)

[84] "Discovery of dual "little red dots" indicates excess clustering on kilo-parsec scales"
        Takumi S. Tanaka, John D. Silverman, Kazuhiro Shimasaku, Junya Arita, Hollis B. Akins, Kohei Inayoshi,
        Xuheng Ding, Masafusa Onoue, Zhaoxuan Liu, Caitlin M. Casey, Erini Lambrides, Vasily Kokorev, Shuowen Jin,
        Andreas L. Faisst, Nicole Drakos, Yue Shen, Junyao Li, Mingyang Zhuang, Qinyue Fei, Kei Ito, Wenke Ren,
        Suin Matsui, Makoto Ando, Shun Hatano, Michiko S. Fujii, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Daizhong Liu,
        Henry Joy McCracken, Jason Rhodes, Brant E. Robertson, Maximilien Franco, Irham T. Andika, Aidan P. Cloonan,
        Xiaohui Fan, Ghassem Gozaliasl, Santosh Harish, Christopher C. Hayward, Marc Huertas-Company,
        Darshan Kakkad, Tomoya Kinugawa, Namrata Roy, Marko Shuntov, Margherita Talia, Sune Toft, Aswin P. Vijayan,
        Yiyang Zhang
        Submitted to PASJ (arXiv:2412.14246)

[83] "Weakness of X-rays and Variability in High-redshift AGNs with Super-Eddington Accretion"
        Kohei Inayoshi, Shigeo Kimura, Hirofumi Noda
        Accepted for publication to PASJ (arXiv:2412.03653)

[82] "Gravitational Wave Astronomy With TianQin"
        En-Kun Li, Shuai Liu, Alejandro Torres-Orjuela, Xian Chen, Kohei Inayoshi, Long Wang, Yi-Ming Hu,
        Pau Amaro-Seoane, Abbas Askar, Cosimo Bambi, Pedro R. Capelo, Hong-Yu Chen, Alvin J. K. Chua,
        Enrique Condés-Breña, Lixin Dai, Debtroy Das, Andrea Derdzinski, Hui-Min Fan, Michiko Fujii, Jie Gao,
        Mudit Garg, Hongwei Ge, Mirek Giersz, Shun-Jia Huang, Arkadiusz Hypki, Zheng-Cheng Liang, Bin Liu,
        Dongdong Liu, Miaoxin Liu, Yunqi Liu, Lucio Mayer, Nicola R. Napolitano, Peng Peng, Yong Shao,
        Swarnim Shashank, Rongfeng Shen, Hiromichi Tagawa, Ataru Tanikawa, Martina Toscani, Verónica Vázquez-Aceves,
        Hai-Tian Wang, Han Wang, Shu-Xu Yi, Jian-dong Zhang, Xue-Ting Zhang, Lianggui Zhu, Lorenz Zwick, Song Huang,
        Jianwei Mei, Yan Wang, Yi Xie, Jiajun Zhang, Jun Luo
        Accepted for publication to Reports on Progress in Physics (arXiv:2409.19665)

[81] "A Search for $z=5$ H$\alpha$ and H$\beta+$[O III] Dual-Line Emitting Galaxies in the JWST CEERS Field:
        Implications for the AGN Abundance"
        Jingsong Guo, Masafusa Onoue, Kohei Inayoshi, Dale D. Kocevski, Steven L. Finkelstein, Micaela B. Bagley,
        Elizabeth J. McGrath
        Submitted to ApJ (arXiv:2409.19205)

[80] "A Post-Starburst Pathway to Forming Massive Galaxies and Their Black Holes at z>6"
        Masafusa Onoue, Xuheng Ding, John D. Silverman, Yoshiki Matsuoka, Takuma Izumi, Michael A. Strauss,
        Charlotte Ward, Camryn L. Phillips, Irham T. Andika, Kentaro Aoki, Junya Arita, Shunsuke Baba, Rebekka Bieri,
        Sarah E. I. Bosman, Anna-Christina Eilers, Seiji Fujimoto, Melanie Habouzit, Zoltan Haiman, Masatoshi Imanishi,
        Kohei Inayoshi, Kei Ito, Kazushi Iwasawa, Knud Jahnke, Nobunari Kashikawa, Toshihiro Kawaguchi, Kotaro Kohno,
        Chien-Hsiu Lee, Junyao Li, Alessandro Lupi, Jianwei Lyu, Tohru Nagao, Roderik Overzier, Jan-Torge Schindler,
        Malte Schramm, Matthew T. Scoggins, Kazuhiro Shimasaku, Yoshiki Toba, Benny Trakhtenbrot, Maxime Trebitsch,
        Tommaso Treu, Hideki Umehata, Bram Venemans, Marianne Vestergaard, Marta Volonteri, Fabian Walter,
        Feige Wang, Jinyi Yang, Haowen Zhang
        Submitted to Nature Astronomy (arXiv:2409.07113)

[79] "Broad-Line AGN at $3.5<z<6$: The Black Hole Mass Function and a Connection with Little Red Dots"
        Anthony J. Taylor, Steven L. Finkelstein, Dale D. Kocevski, Junehyoung Jeon, Volker Bromm, Ricardo O. Amorin,
        Pablo Arrabal Haro, Bren E. Backhaus, Micaela B. Bagley, Eduardo Bañados, Rachana Bhatawdekar,
        Madisyn Brooks, Antonello Calabro, Oscar A. Chavez Ortiz, Yingjie Cheng, Nikko J. Cleri, Justin W. Cole,
        Kelcey Davis, Mark Dickinson, Callum Donnan, James S. Dunlop, Richard S. Ellis, Vital Fernandez, Adriano Fontana,
        Seiji Fujimoto, Mauro Giavalisco, Andrea Grazian, Jingsong Guo, Nimish P. Hathi, Benne W. Holwerda,
        Michaela Hirschmann, Kohei Inayoshi, Jeyhan S. Kartaltepe, Yana Khusanova, Anton M. Koekemoer,
        Vasily Kokorev, Rebecca L. Larson, Gene C. K. Leung, Ray A. Lucas, Derek J. McLeod, Lorenzo Napolitano,
        Masafusa Onoue, Fabio Pacucci, Casey Papovich, Pablo G. Pérez-González, Nor Pirzkal, Rachel S. Somerville,
        Jonathan R. Trump, Stephen M. Wilkins, L. Y. Aaron Yung, Haowen Zhang
        Accepted for publication to ApJ (arXiv:2409.06772) 

[78] "The Rise of Faint, Red AGN at $z>4$: A Sample of Little Red Dots in the JWST Extragalactic Legacy Fields"
        Dale D. Kocevski, Steven L. Finkelstein, Guillermo Barro, Anthony J. Taylor, Antonello Calabrò, Brivael Laloux,
        Johannes Buchner, Jonathan R. Trump, Gene C. K. Leung, Guang Yang, Mark Dickinson, Pablo G. Pérez-González,
        Fabio Pacucci, Kohei Inayoshi, Rachel S. Somerville, Elizabeth J. McGrath, Hollis B. Akins, Micaela B. Bagley,
        Laura Bisigello, Rebecca A.A. Bowler, Adam Carnall, Caitlin M. Casey, Yingjie Cheng, Nikko J. Cleri, Luca Costantin,
        Fergus Cullen, Kelcey Davis, Callum T. Donnan, James S. Dunlop, Richard S. Ellis, Henry C. Ferguson,
        Seiji Fujimoto, Adriano Fontana, Mauro Giavalisco, Andrea Grazian, Norman A. Grogin, Nimish P. Hathi,
        Michaela Hirschmann, Marc Huertas-Company, Benne W. Holwerda, Garth Illingworth, Stéphanie Juneau,
        Jeyhan S. Kartaltepe, Anton M. Koekemoer, Wenxiu Li, Ray A. Lucas, Dan Magee, Charlotte Mason,
        Derek J. McLeod, Ross J. McLure, Lorenzo Napolitano, Casey Papovich, Nor Pirzkal, Giulia Rodighiero,
        Paola Santini, Stephen M. Wilkins, L.Y. Aaron Yung
        Accepted for publication to ApJ (arXiv:2404.03576) 

[77] "The Convergence of Heavy and Light Seeds to Overmassive Black Holes at Cosmic Dawn"
        Haojie Hu, Kohei Inayoshi, Zoltan Haiman, Luis C. Ho, Ken Ohsuga
        The Astrophysical Journal Letters, Volume 983, Issue 2, id.L37, 8 pp., 2025 (arXiv:2503.03870)

[76] "Gravitational wave forecasts constrained by JWST AGN observations for early massive black hole mergers"
        Hanpu Liu, Kohei Inayoshi
        Physical Review D, Volume 111, Issue 4, id.043012, 24 pp., 2025 (arXiv:2409.18194)

[75] "Extremely Dense Gas around Little Red Dots and High-redshift Active Galactic Nuclei: A Nonstellar Origin of
        the Balmer Break and Absorption Features"
        Kohei Inayoshi, Roberto Maiolino
        The Astrophysical Journal Letters, Volume 980, Issue 2, id.L27, 8 pp., 2025 (arXiv:2409.07805)

[74] "Little Red Dots: Rapidly Growing Black Holes Reddened by Extended Dusty Flows"
       Zhengrong Li, Kohei Inayoshi, Kejian Chen, Kohei Ichikawa, Luis C. Ho
       The Astrophysical Journal, Volume 980, Issue 1, id.36, 11 pp., 2025 (arXiv:2407.10760)

2024
[73] "Towards a universal analytical model for Population III star formation: interplay between feedback and fragmentation"
       Boyuan Liu, James Gurian, Kohei Inayoshi, Shingo Hirano, Takashi Hosokawa, Volker Bromm, Naoki Yoshida
       Monthly Notices of the Royal Astronomical Society, Volume 534, Issue 1, pp.290-312, 2024 (arXiv:2407.14294)

[72] "Birth of Rapidly Spinning, Overmassive Black Holes in the Early Universe"
        Kohei Inayoshi, Kohei Ichikawa
        The Astrophysical Journal Letters, Volume 973, Issue 2, id.L49, 9 pp., 2024 (arXiv:2402.14706)

[71] "Radiation hydrodynamical simulations of super-Eddington mass transfer and black hole growth in close binaries"
       Daisuke Toyouchi, Kenta Hotokezaka, Kohei Inayoshi, Rolf Kuiper
       Monthly Notices of the Royal Astronomical Society, Volume 532, Issue 4, pp.4826-4841, 2024 (arXiv: 2405.07190)

[70] "Reconstruction of Cosmic Black Hole Growth and Mass Distribution from Quasar Luminosity Functions at z>4"
        Wenxiu Li, Kohei Inayoshi, Masafusa Onoue, Wanqiu He, Yoshiki Matsuoka, Zhiwei Pan, Masayuki Akiyama,
        Takuma Izumi, Tohru Nagao
        The Astrophysical Journal, Volume 969, Issue 1, id.69, 14 pp., 2024 (arXiv:2306.06172)

[69] "Exploring Low-Mass Black Holes through Tidal Disruption Events in the Early Universe: Perspectives in the Era
        of JWST, RST, and LSST Surveys"
        Kohei Inayoshi, Kazumi Kashiyama, Wenxiu Li, Yuichi Harikane, Kohei Ichikawa, Masafusa Onoue
        The Astrophysical Journal, Volume 966, Issue 2, id.164, 17 pp., 2024 (arXiv:2312.11602)

[68] "A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Impact of Galaxies on the CGM Metal
        Enrichment at z > 6 Using the JWST and VLT"
        Siwei Zou, Zheng Cai, Feige Wang, Xiaohui Fan, Jaclyn B. Champagne, Joseph F. Hennawi, Jan-Torge Schindler,
        Emanuele P. Farina, Jinyi Yang, Kohei Inayoshi, Eduardo Banados, Sarah E.I. Bosman, Zihao Li, Xiaojing Lin,
        Yunjing Wu, Fengwu Sun, Zi-Yi Guo, Girish Kulkarni, Melanie Habouzit, Stephane Charlot, Jacopo Chevallard,
        Thomas Connor, Anna-Christina Eilers, Linhua Jiang, Xiangyu Jin, Koki Kakiichi, Mingyu Li, Romain A. Meyer,
        Fabian Walter, Huanian Zhang
        The Astrophysical Journal Letters, Volume 963, Issue 1, id.L28, 17 pp., 2024 (arXiv:2402.00113)

[67] "Black Hole Mass and Eddington-ratio Distributions of Less-luminous Quasars at z ∼ 4 in the Subaru Hyper Suprime-
        Cam Wide Field"
        Wanqiu He, Masayuki Akiyama, Motohiro Enoki, Kohei Ichikawa, Kohei Inayoshi, Nobunari Kashikawa, Toshihiro
        Kawaguchi, Yoshiki Matsuoka, Tohru Nagao, Masafusa Onoue, Taira Oogi, Andreas Schulze, Yoshiki Toba,
        Yoshihiro Ueda
        The Astrophysical Journal, Volume 962, Issue 2, id.152, 32 pp., 2024 (arXiv:2311.08922)

2023       
[66] "Quasar Luminosity Function at z = 7"
        Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa, Michael A. Strauss, Nobunari Kashikawa, Takuma Izumi,
        Tohru Nagao, Masatoshi Imanishi, Masayuki Akiyama, John D. Silverman, Naoko Asami, James Bosch, Hisanori
        Furusawa, Tomotsugu Goto, James E. Gunn, Yuichi Harikane, Hiroyuki Ikeda, Kohei Inayoshi, Rikako Ishimoto,
        Toshihiro Kawaguchi, Satoshi Kikuta, Kotaro Kohno, Yutaka Komiyama, Chien-Hsiu Lee, Robert H. Lupton, Takeo
        Minezaki, Satoshi Miyazaki, Hitoshi Murayama, Atsushi J. Nishizawa, Masamune Oguri, Yoshiaki Ono, Taira Oogi,
        Masami Ouchi, Paul A. Price, Hiroaki Sameshima, Naoshi Sugiyama, Philip J. Tait, Masahiro Takada, Ayumi
        Takahashi, Tadafumi Takata, Masayuki Tanaka, Yoshiki Toba, Shiang-Yu Wang, Takuji Yamashita
        The Astrophysical Journal Letters, Volume 949, Issue 2, id.L42, 8 pp., 2023 (arXiv:2305.11225)

[65] "Hidden Little Monsters: Spectroscopic Identification of Low-Mass, Broad-Line AGN at z>5 with CEERS"
        Dale D. Kocevski, Masafusa Onoue, Kohei Inayoshi, Jonathan R. Trump, Pablo Arrabal Haro, Andrea Grazian,
        Mark Dickinson, Steven L. Finkelstein, Jeyhan S. Kartaltepe, Michaela Hirschmann, Seiji Fujimoto,
        Stephanie Juneau, Ricardo O. Amorin, Micaela B. Bagley, Guillermo Barro, Eric F. Bell, Laura Bisigello,
        Antonello Calabro, Nikko J. Cleri, M. C. Cooper, Xuheng Ding, Norman A. Grogin, Luis C. Ho, Akio K. Inoue,
        Linhua Jiang, Brenda Jones, Anton M. Koekemoer, Wenxiu Li, Zhengrong Li, Elizabeth J. McGrath, Juan Molina,
        Casey Papovich, Pablo G. Perez-Gonzalez, Nor Pirzkal, Stephen M. Wilkins, Guang Yang, L. Y. Aaron Yung
        The Astrophysical Journal Letters, Volume 954, Issue 1, id.L4, 17 pp., 2023 (arXiv:2302.00012)

[64] "Detection of stellar light from quasar host galaxies at redshifts above 6"
        Xuheng Ding, Masafusa Onoue, John D. Silverman, Yoshiki Matsuoka, Takuma Izumi, Michael A. Strauss,
        Knud Jahnke, Irham Taufik Andika, Kentaro Aoki, Shunsuke Baba, Rebekka Bieri, Sarah E. I. Bosman,
        Anna-Christina Eilers, Seiji Fujimoto, Melanie Habouzit, Zoltan Haiman, Masatoshi Imanishi, + Kohei Inayoshi et al.
        Nature, Volume 621, Issue 7977, p.51-55, 2023 (arXiv:2211.14329)

[63] "The Assembly of Black Hole Mass and Luminosity Functions of High-redshift Quasars via Multiple Accretion
        Episodes"
        Wenxiu Li, Kohei Inayoshi, Masafusa Onoue, and Daisuke Toyouchi
        The Astrophysical Journal, Volume 950, Issue 2, id.85, 18 pp., 2023 (arXiv:2210.02308)

[62] "Systematic Broad-band X-ray Study of super-Eddington Accretion onto Supermassive Black Holes.
        I. X-ray Continuum"
        Alessia Tortosa, Claudio Ricci, Luis C. Ho, Francesco Tombesi, Pu Du, Kohei Inayoshi, Jian-Min Wang,
        Jinyi Shangguan, Ruancun Li
        Monthly Notices of the Royal Astronomical Society, Volume 519, Issue 4, pp.6267-6283, 2023 (arXiv:2212.06183)

[61] "A Candidate of a Least-Massive Black Hole at the First 1.1 Billion Years of the Universe"
        Masafusa Onoue, Kohei Inayoshi, Xuheng Ding, Wenxiu Li, Zhengrong Li, Juan Molina, Akio K. Inoue, Linhua Jiang,
        Luis C. Ho
        The Astrophysical Journal Letters, Volume 942, Issue 1, id.L17, 9 pp., 2023 (arXiv:2209.07325)

[60] "Radiative feedback on supermassive star formation: the massive end of the Population III initial mass function"
        Daisuke Toyouchi, Kohei Inayoshi, Wenxiu Li, Zoltan Haiman, and Rolf Kuiper
        Monthly Notices of the Royal Astronomical Society, Volume 518, Issue 2, pp.1601-1616, 2023 (arXiv:2206.14459)

[59] "eROSITA Final Equatorial-Depth Survey (eFEDS): eFEDS X-ray view of WERGS Radio Galaxies selected
        by the Subaru/HSC and VLA/FIRST survey"
        Kohei Ichikawa, Takuji Yamashita, Andrea Merloni, Junyao Li, Teng Liu, Mara Salvato, Masayuki Akiyama,
        Riccardo Arcodia, Tom Dwelly, Xiaoyang Chen, Masatoshi Imanishi, Kohei Inayoshi et al.,
        Astronomy & Astrophysics, Volume 672, id.A171, 20 pp., 2023 (arXiv:2302.07494)

[LVK5] "The population of merging compact binaries inferred using gravitational waves through GWTC-3"
        The LIGO, Virgo, KAGRA collaboration + Kohei Inayoshi
        Physical Review X, Volume 13, Issue 1, article id.011048, 2023 (arXiv:2111.03634)