School personnel information








Organization 【 display / non-display

  • 2005.10.01 - 2007.03.31, Department of Earth and Space Science, Graduate School of Science, Associate Professor

  • 2007.04.01 - , Department of Earth and Space Science, Graduate School of Science, Associate Professor

Education 【 display / non-display

Kyoto University   Graduated 1997.03

Employment Record 【 display / non-display

National Astronomical Observatory, Assistant Professor 2000.04 - 2005.09

Research topics 【 display / non-display

  • Astrophysics
    Astronomy-related, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Academic Society Membership 【 display / non-display

  • American Astronomical Society

  • Astronomical Society of Japan

  • The International Astronomical Union


Academic Papers 【 display / non-display

  • Weak lensing Analysis of X-ray-selected XXL Galaxy Groups and Clusters with Subaru HSC Data, K. Umetsu, M. Sereno, M. Lieu, H. Miyatake, E. Medezinski, A. J. Nishizawa, P. Giles, F. Gastaldello, I. G. McCarthy, M. Kilbinger, M. Birkinshaw, S. Ettori, N. Okabe, I-N. Chiu, J. Coupon, D. Eckert, Y. Fujita, Y. Higuchi, E. Koulouridis, B. Maughan, S. Miyazaki, M. Oguri, F. Pacaud, M. Pierre, D. Rapetti, & G. P. Smith, The Astrophysical Journal,in press, 2020.02, Papers

  • XXL Survey groups and clusters in the Hyper Suprime-Cam Survey. Scaling relations between X-ray properties and weak lensing mass, M. Sereno, K. Umetsu, S. Ettori, D. Eckert, F. Gastaldello, P. Giles, M. Lieu, B. Maughan, N. Okabe, M. Birkinshaw, I-N. Chiu, Y. Fujita, S. Miyazaki, D. Rapetti, E. Koulouridis, & M. Pierre, Monthly Notices of the Royal Astronomical Society,in press, 2019.12, Papers

  • First detection of PSR B1259-63/LS 2883 in the Millimeter and Submillimeter Wavelengths with ALMA, Y. Fujita, A. Kawachi, T. Akahori, H. Nagai, & M. Yamaguchi, Publications of the Astronomical Society of Japan,71 L3, 2019.10, Papers

  • The ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275, H. Nagai, K. Onishi, N. Kawakatu, Y. Fujita, M. Kino, Y. Fukazawa, J. Lim, W. Forman, J. Vrtilek, K. Nakanishi, H. Noda, K. Asada, K. Wajima, Y. Ohyama, L. David, & K. Daikuhara, The Astrophysical Journal,883 193, 2019.10, Papers

  • Neutral iron line in the supernova remnant IC 443 and implications for MeV cosmic rays, K. K. Nobukawa, A. Hirayama, A. Shimaguchi, Y. Fujita, M. Nobukawa, & S. Yamauchi, Publications of the Astronomical Society of Japan,71 115, 2019.09, Papers

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Books 【 display / non-display

  • General, One Hundred Years of Astronomy in Japan, 2008.03

Awards 【 display / non-display

  • The Outstanding Paper Award of the Physical Society of Japan, Kazunori Kohri, Kunihito Ioka, Yutaka Fujita, Ryo Yamazaki, 2020.03

  • The PASJ Excellent Paper Award, Yutaka Fujita, Astronomical Society of Japan, 2009.03

Media report 【 display / non-display

  • Uncovering the secret law of the evolution of galaxy clusters, Breitbart News Network,, Scitech Daily, Science Daily, AlphaGalileo, EurekAlert!. The Daily Galaxy, Science Newsline, Epoch Times, Nanowerk,, and others, 2018.04