Rchr
J-GLOBAL ID:201801000485079015   Update date: Jan. 04, 2022

Ichikawa Kohei

イチカワ コウヘイ | Ichikawa Kohei
Affiliation and department:
Homepage URL  (1): https://motigomeman.wordpress.com/
Research field  (1): Astronomy
Research keywords  (1): supermassive black holes
Research theme for competitive and other funds  (5):
  • 2020 - 2023 Rapid supermassive black hole growth revealed by multi-wavelength surveys
  • 2018 - 2021 Revealing the close environment of supermassive black holes using the moon
  • 2016 - 2019 新たに見つかった活動銀河核種族から暴く銀河と中心ブラックホールの共進化
  • 2015 - 2017 赤外線とX線の両波長観測から探る新しい活動銀河核種族の解明
  • 2012 - 2015 赤外・X線による埋もれた活動銀河の観測から探る超巨大ブラックホールと銀河の共進化
Papers (71):
  • Robert Nikutta, Enrique Lopez-Rodriguez, Kohei Ichikawa, N. A. Levenson, Christopher Packham, Sebastian F. Honig, Almudena Alonso-Herrero. Hypercubes of AGN Tori (HYPERCAT). II. Resolving the Torus with Extremely Large Telescopes. ASTROPHYSICAL JOURNAL. 2021. 923. 1
  • Kohei Ichikawa, Takuji Yamashita, Yoshiki Toba, Tohru Nagao, Kohei Inayoshi, Maria Charisi, Wanqiu He, Alexander Y. Wagner, Masayuki Akiyama, Bovornpratch Vijarnwannaluk, et al. A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). IV. Rapidly Growing (Super)Massive Black Holes in Extremely Radio-loud Galaxies. ASTROPHYSICAL JOURNAL. 2021. 921. 1
  • Shenli Tang, John D. Silverman, Xuheng Ding, Junyao Li, Khee-Gan Lee, Michael A. Strauss, Andy Goulding, Malte Schramm, Lalitwadee Kawinwanichakij, J. Xavier Prochaska, et al. Optical Spectroscopy of Dual Quasar Candidates from the Subaru HSC-SSP program. ASTROPHYSICAL JOURNAL. 2021. 922. 1
  • Robert Nikutta, Enrique Lopez-Rodriguez, Kohei Ichikawa, N. A. Levenson, Christopher Packham, Sebastian F. Honig, Almudena Alonso-Herrero. Hypercubes of AGN Tori (HYPERCAT). I. Models and Image Morphology. ASTROPHYSICAL JOURNAL. 2021. 919. 2
  • S. García-Burillo, A. Alonso-Herrero, C. Ramos Almeida, O. González-Martín, F. Combes, A. Usero, S. Hönig, M. Querejeta, E. K. S. Hicks, L. K. Hunt, et al. The Galaxy Activity, Torus, and Outflow Survey (GATOS). I. ALMA images of dusty molecular tori in Seyfert galaxies. Astronomy & Astrophysics. 2021. 652. A98-A98
more...
MISC (8):
  • Hisakazu Uchiyama, Takuji Yamashita, Jun Toshikawa, Nobunari Kashikawa, Kohei Ichikawa, Mariko Kubo, Kei Ito, Nozomu Kawakatu, Tohru Nagao, Yoshiki Toba, et al. A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). VI. Distant Filamentary Structures Pointed by High-z Radio Galaxies at z~4. 2021
  • Yoshiki Toba, Teng Liu, Tanya Urrutia, Mara Salvato, Junyao Li, Yoshihiro Ueda, Marcella Brusa, Naomichi Yutani, Keiichi Wada, Atsushi J. Nishizawa, et al. The eROSITA Final Equatorial-Depth Survey (eFEDS): A multiwavelength view of WISE mid-infrared galaxies/active galactic nuclei. 2021
  • Ryan W. Pfeifle, Claudio Ricci, Peter G. Boorman, Marko Stalevski, Daniel Asmus, Benny Trakhtenbrot, Michael J. Koss, Daniel Stern, Federica Ricci, Shobita Satyapal, et al. BAT AGN Spectroscopic Survey-XXIII. A New Mid-Infrared Diagnostic for Absorption in Active Galactic Nuclei. 2021
  • 市川幸平. 最期を迎えた超巨大ブラックホールの発見 〜死を迎えても輝きを失わないブラックホール〜. 東北大学理学研究科ニュース. 2019
  • Kohei Ichikawa. Active Galactic Nucleus caught in the act of "dying" 〜light echo delivers the information before the death〜. NEWS in Graduate School of Science at Tohoku University. 2019
more...
Books (2):
  • ngVLA-J memo series
    2021
  • SPICAサイエンス検討会最終報告書
Lectures and oral presentations  (30):
  • Fading AGN; New parameter space of 10^{3-4} yr-long AGN variability?
    (2021)
  • Rapidly growing supermassive black holes in extremely radio-loud galaxies
    (Summer workshop of Subaru Galactic Center Black Hole 2021)
  • Rapid SMBH growth in the extremely radio-loud galaxies
    (European Astronomical Society meeting 2021 2021)
  • Serendipitous Discovery Of Dying AGN In Arp 187
    (238th American Astronomical Society Meeting 2021)
  • Dying AGN
    (Kaffee Runde at MPE 2021)
more...
Education (2):
  • 2010 - 2015 Kyoto University
  • 2006 - 2010 Kyoto University
Professional career (1):
  • 博士 (理学) (京都大学)
Work history (6):
  • 2018/04 - 現在 Tohoku University Frontier research institute/Astronomical Institute Assistant Professor
  • 2021/03 - 2022/03 Max Planck Institute for extraterrestrial Physics Visiting Researcher
  • 2020/08 - 2020/11 Parental leave
  • 2016/10 - 2018/09 Columbia University Department of Astronomy JSPS fellow/FRIS fellow
  • 2016/04 - 2018/03 National Astronomical Observatory of Japan Optical and Infrared Division JSPS fellow (PD)
Show all
Committee career (4):
  • 2019/06 - 現在 天文月報 編集委員
  • 2018/04 - 現在 Thirty Meter Telescope International Science Definition Team (ISDT) core member
  • 2018/04 - 現在 members TMT ISDT
  • 2012 - 2012 日本天文学会 評議員
Awards (3):
  • 2021/12 - 21st Intelligent Cosmos Young Researcher Award
  • 2021/06 - MARCEL GROSSMANN Meeting MARCEL GROSSMANN AWARDS
  • 2021/06 - Tohoku University Prominent research fellow
Association Membership(s) (2):
American Astronomical Society ,  THE ASTRONOMICAL SOCIETY OF JAPAN
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page