Updated on 2023/11/21

写真a

 
TAKIZAWA Motokazu
 
Title
Professor
Date of Birth
1970
Laboratory Phone number
+81-23-628-4550
 
Laboratory Fax number
+81-23-628-4567
 

Research Areas

  • Natural Science / Astronomy

Graduating School

  • Kyoto University, Faculty of Science

    1994.03, Graduated

Graduate School

  • Kyoto University, Graduate School, Division of Natural Science

    Doctor's Course, 1999.03, Completed

External Career

  • , Researcher, 1999.09 - 2000.02

  • University of Virginia, Researcher, 2001.09 - 2002.08

 

Papers

  • Galaxy clusters at z~1 imaged by ALMA with the Sunyaev-Zel'dovich effect, Publications of the Astronomical Society of Japan, 75(2) 311-337, 2023.04

    T. Kitayama, S. Ueda, N. Okabe, T. Akahori, M. Hilton, J. P. Hughes, Y. Ichinohe, K. Kohno, E. Komatsu, Y.-T. Lin, H. Miyatake, M. Oguri, C. Sifon, S. Takakuwa, M. Takizawa, T. Tsutsumi, J. van Marrew...

    Multiple Authorship (Including Foreigners)

  • Diffuse radio source candidate in CIZA J1358.9-4750 , Publications of the Astronomical Society of Japan, 75(Supplement_1) S138-S153, 2023.02

    Kohei Kurahara, Takuya Akahori, Ruta Kale, Hiroki Akamatsu, Yutaka Fujita, Liyi Gu, Huib Intema, Kazuhiro Nakazawa, Nobuhiro Okabe, Yuki Omiya, Viral Parekh, Timothy Shimwell, Motokazu Takizawa, Reino...

    Multiple Authorship (Including Foreigners)

  • Discovery of Radio Jets in Phoenix Galaxy Cluster Center, Publications of the Astronomical Society of Japan, 72(4) 62, 2020.08

    Takuya Akahori, Tetsu Kitayama, Shutaro Ueda, Takuma Izumi, Kianhong Lee, Ryohei Kawabe, Kotaro Kohno, Masamune Oguri, Motokazu Takizawa

    Multiple Authorship (Including Foreigners)

  • Deeply cooled core of the Phoenix galaxy cluster imaged by ALMA with the Sunyaev-Zel'dovich effect, Publications of the Astronomical Society of Japan, 72(2) 33, 2020.04

    T. Kitayama, S. Ueda, T. Akahori, E. Komatsu, R. Kawabe, K. Kohno, S. Takakuwa, T. Tsutsumi, M. Takizawa, K. Yoshikawa

    Multiple Authorship (Including Foreigners)

  • X-ray and Radio Observations of the Radio Relic Galaxy Clusters 1RXS J0603.3+4214 and RXC J1053.7+5453, Galaxies, 7(1) 2, 2018.12

    Motokazu Takizawa

    Single Author

  • A Cool Core Disturbed: Observational Evidence for the Coexistence of Subsonic Sloshing Gas and Stripped Shock-heated Gas around the Core of RX J1347.5–1145, The Astrophysical Journal, 866(1) 48, 2018.10

    Ueda, Shutaro; Kitayama, Tetsu; Oguri, Masamune; Komatsu, Eiichiro; Akahori, Takuya; Iono, Daisuke; Izumi, Takumi; Kawabe, Ryohei; Kohno, Kotaro; Matsuo, Hiroshi; Ota, Naomi; Suto, Yasushi; Takakuw...

    Single Author

  • ATCA 16 cm Observation of CIZA J1358.9-4750: Implication of Merger Stage and Constraint on Non-Thermal Properties, Publications of the Astronomical Society of Japan, 70 53, 2018.06

    Takuya Akahori, Yuichi Kato, Kazuhiro Nakazawa, Takeaki Ozawa, Liyi Gu, Motokazu Takizawa, Yutaka Fujita, Hiroyuki Nakanishi, Nobuhiro Okabe, Kazuo Makishima

    Multiple Authorship (Including Foreigners)

  • Cosmic Magnetism in Centimeter and Meter Wavelength Radio Astronomy, Publications of the Astronomical Society of Japan, 70(1) R2, 2018.01

    Takuya Akahori, Hiroyuki Nakanishi, Yoshiaki Sofue, Yutaka Fujita, Kiyotomo Ichiki, Shinsuke Ideguchi, Osamu Kameya, Takahiro Kudoh, Yuki Kudoh, Mami Machida, Yoshimitsu Miyashita, Hiroshi Ohno, Takea...

    Multiple Authorship (Including Foreigners)

  • Multiwavelength study of X-ray luminous clusters in the Hyper Suprime-Cam Subaru Strategic Program S16A field, Publications of the Astronomical Society of Japan, 70(SP1) S22, 2018.01

    Keita Miyaoka, Nobuhiro Okabe, Takao Kitaguchi, Masamune Oguri, Yasushi Fukazawa, Rachel Mandelbaum, Elinor Medezinski, Atsushi J. Nishizawa, Takashi Hamana, Yen-Ting Lin, Hiroki Akamatsu, I-Non Chiu,...

    Multiple Authorship (Including Foreigners)

  • Suzaku observations of the outskirts of the galaxy cluster Abell 3395, including a filament toward Abell 3391, Publications of the Astronomical Society of Japan, 69(6) 93, 2017.12

    Yuuki Sugawara, Motokazu Takizawa, Madoka Itahana, Hiroki Akamatsu, Yutaka Fujita, Takaya Ohashi, Yoshitaka Ishisaki

    Multiple Authorship (Including Foreigners)

  • Suzaku and Chandra observations of the galaxy cluster RXC J1053.7+5453 with a radio relic, Publications of the Astronomical Society of Japan, 69(6) 88, 2017.12

    Madoka Itahana, Motokazu Takizawa, Hiroki Akamatsu, Reinout J. van Weeren, Hajime Kawahara, Yasushi Fukazawa, Jelle S. Kaastra, Kazuhiro Nakazawa, Takaya Ohashi, Naomi Ota, Huub J. A. Röttgering, Jacc...

    Multiple Authorship (Including Foreigners)

  • Suzaku observations of the merging galaxy cluster Abell 2255: The northeast radio relic, Astronomy & Astrophysics, 600 A100, 2017.04

    H. Akamatsu, M. Mizuno, N. Ota, Y.-Y. Zhang, R. J. van Weeren, H. Kawahara, Y. Fukazawa, J. S. Kaastra, M. Kawaharada, K. Nakazawa, T. Ohashi, H.J.A. Röttgering, M. Takizawa, J. Vink, F. Zandanel

    Multiple Authorship (Including Foreigners)

  • The XXL survey: First results and future, Astronomische Nachrichten, 338 334-341, 2017.03

    Pierre, M et al.

    Multiple Authorship (Including Foreigners)

  • The Sunyaev-Zel'dovich effect at 5″: RX J1347.5-1145 imaged by ALMA, Publications of the Astronomical Society of Japan, 68(5) 88, 2016.09

    T. Kitayama, S. Ueda, S. Takakuwa, T. Tsutsumi, E. Komatsu, T. Akahori, D. Iono, T. Izumi, R. Kawabe, K. Kohno, H. Matsuo, N. Ota, Y. Suto, M. Takizawa, K. Yoshikawa

    Multiple Authorship (Including Foreigners)

  • Suzaku observation of a high entropy cluster Abell 548W, Publications of the Astronomical Society of Japan, 68(SP1) S21, 2016.06

    Kazuhiro Nakazawa, Yuichi Kato, Liyi Gu, Madoka Kawaharada, Motokazu Takizawa, Yutaka Fujita, Kazuo Makishima

    Multiple Authorship (Including Foreigners)

  • Central mass profiles of the nearby cool-core galaxy clusters Hydra A and A478, Monthly Notices of the Royal Astronomical Society, 456(4) 4475-4487, 2016.03

    N. Okabe, K. Umetsu, T. Tamura, Y. Fujita, M. Takizawa, K. Matsushita, Y. Fukazawa, T. Futamase, M. Kawaharada, S. Miyazaki, Y. Mochizuki, K. Nakazawa, T. Ohashi, N. Ota, T. Sasaki, K. Sato, S. I. Tam

    Multiple Authorship (Including Foreigners)

  • JVLA S- and X-band polarimetry of the merging cluster Abell 2256, Publications of the Astronomical Society of Japan, 67(6) 110, 2015.12

    Takeaki Ozawa, Hiroyuki Nakanishi, Takuya Akahori, Kenta Anraku, Motokazu Takizawa, Ikumi Takahashi, Sachiko Onodera, Yuya Tsuda, Yoshiaki Sofue

    Multiple Authorship (Including Foreigners)

  • Turbulent Cosmic-Ray Reacceleration at Radio Relics and Halos in Clusters of Galaxies, The Astrophysical Journal, 815(2) 116, 2015.12

    Yutaka Fujita, Motokazu Takizawa, Ryo Yamazaki, Hiroki Akamatsu, Hiroshi Ohno

    Multiple Authorship (Including Foreigners)

  • Suzaku observations of the galaxy cluster 1RXS J0603.3+4214: Implications of particle acceleration processes in the "Toothbrush" radio relic, Publications of the Astronomical Society of Japan, 67(6) 113, 2015.12

    Madoka Itahana, Motokazu Takizawa, Hiroki Akamatsu, Takaya Ohashi, Yoshitaka Ishisaki, Hajime Kawahara, Reinout J. van Weeren

    Multiple Authorship (Including Foreigners)

  • Discovery of a Nearby Early-Phase Major Cluster Merger CIZA J1358.9-4750, Publications of the Astronomical Society of Japan, 67(4) 71, 2015.08

    Yuichi Kato, Kazuhiro Nakazawa, Liyi Gu, Takuya Akahori, Motokazu Takizawa, Yutaka Fujita, Kazuo Makishima

    Multiple Authorship (Including Foreigners)

  • Universal Profiles of the Intracluster Medium from Suzaku X-Ray and Subaru Weak Lensing Obesrvations, Publications of the Astronomical Society of Japan, 66(5) 99, 2014.10

    N. Okabe, K. Umetsu, T. Tamura, Y. Fujita, M. Takizawa, Y. -Y. Zhang, K. Matsushita, T. Hamana, Y. Fukazawa, T. Futamase, M. Kawaharada, S. Miyazaki, Y. Mochizuki, K. Nakazawa, T. Ohashi, N. Ota, T. S...

    Multiple Authorship (Including Foreigners)

  • Gas Bulk Motion in the Perseus Cluster Measured with Suzaku, The Astrophysical Journal, 782(1) 38, 2014.02

    T. Tamura, N. Yamasaki, R. Iizuka, Y. Fukazawa, K. Hayashida, S. Ueda, K. Matsushita, K. Sato, K. Nakazawa, N. Ota, M. Takizawa

    Multiple Authorship (Including Foreigners)

  • Discovery of an Outstanding Disk in the cD Galaxy of the Hydra A Cluster, Publications of the Astronomical Society of Japan, 65(6) L15, 2013.12

    Yutaka Fujita, Nobuhiro Okabe, Kosuke Sato, Takayuki Tamura, Satoki Matsushita, Hiroyuki Hirashita, Masanori Nakamura, Kyoko Matsushita, Kazuhiro Nakazawa, Motokazu Takizawa

    Multiple Authorship (Including Foreigners)

  • Suzaku Observations of the Outskirts of A1835: Deviation from Hydrostatic Equilibrium, The Astrophysical Journal, 766(2) 90, 2013.04

    Kazuya Ichikawa, Kyoko Matsushita, Nobuhiro Okabe, Kosuke Sato, Y.-Y. Zhang, A. Finoguenov, Yutaka Fujita, Yasushi Fukazawa, Madoka Kawaharada, Kazuhiro Nakazawa, Takaya Ohashi, Naomi Ota, Motokazu Ta...

    Multiple Authorship (Including Foreigners)

  • Suzaku Observations of the Hydra A Cluster Out to the Virial Radius, Publications of the Astronomical Society of Japan, 64(5) 95, 2012.10

    Takuya Sato, Toru Sasaki, Kyoko Matsushita, Eri Sakuma, Kosuke Sato, Yutaka Fujita, Nobuhiro Okabe, Yasushi Fukazawa, Kazuya Ichikawa, Madoka Kawaharada, Kazuhiro Nakazawa, Takaya Ohashi, Naomi Ota, M...

    Multiple Authorship (Including Foreigners)

  • Imaging Simulations of the Sunyaev-Zel'dovich Effect for ALMA, Publications of the Astronomical Society of Japan, 64(5) 102, 2012.10

    K. Yamada, T. Kitayama, S. Takakuwa, D. Iono, T. Tsutsumi, K. Kohno, M. Takizawa, K. Yoshikawa, T. Akahori, E. Komatsu, Y. Suto, H. Matsuo, and R. Kawabe

    Multiple Authorship (Including Foreigners)

  • X-Ray View of the Shock Front in the Merging Cluster Abell 3376 with Suzaku, Publications of the Astronomical Society of Japan, 64(4) 67, 2012.08

    Hiroki Akamatsu, Motokazu Takizawa, Kazuhiro Nakazawa, Yasushi Fukazawa, Yoshitaka Ishisaki, and Takaya Ohashi

    Multiple Authorship (Including Foreigners)

  • Suzaku X-ray Follow-up Observation of Weak-lensing-detected Halos in the Field around ZwCl0823.2+0425, Publications of the Astronomical Society of Japan, 63(2) 357-366, 2011.04

    Eri Watanabe, Motokazu Takizawa, Kazuhiro Nakazawa, Nobuhiro Okabe, Madoka Kawaharada, Arif Babul, Alexis Finoguenov, Graham P. Smith, and James E. Taylor

    Multiple Authorship (Including Foreigners)

  • Mass Estimation of Merging Galaxy Clusters, Publications of the Astronomical Society of Japan, 62(4) 951-963, 2010.08

    Motokazu Takizawa, Ryo Nagino, and Kyoko Matsushita

    Multiple Authorship (Including Foreigners)

  • Suzaku Observation of Abell 1689: Anisotropic Temperature and Entropy Distributions Associated with the Large-Scale Structure, The Astrophysical Journal, 714(1) 423-441, 2010.05

    Madoka Kawaharada, Nobuhiro Okabe, Keiichi Umetsu, Motokazu Takizawa, Kyoko Matsushita, Yasushi Fukazawa, Takashi Hamana, Satoshi Miyazaki, Kazuhiro Nakazawa, and Takaya Ohashi

    Multiple Authorship (Including Foreigners)

  • Suzaku Observation of the Radio Halo Cluster Abell 2319: Gas Dynamics and Hard X-ray Properties, Publications of the Astronomical Society of Japan, 61(6) 1293-1303, 2009.12

    Chika Sugawara, Motokazu Takizawa, & Kazuhiro Nakazawa

    Multiple Authorship (Including Foreigners)

  • Hard X-ray Properties of the Merging Cluster Abell 3667 as Observed with Suzaku, Publications of the Astronomical Society of Japan, 61(2) 339-355, 2009.04

    Kazuhiro Nakazawa, Craig L. Sarazin, Madoka Kawaharada, Takao Kitaguchi, Sho Okuyama, Kazuo Makishima, Naomi Kawano, Yasushi Fukazawa, Susumu Inoue, Motokazu Takizawa, Daniel R. Wik, Alexis Finoguenov...

    Multiple Authorship (Including Foreigners)

  • N-body + Magnetohydrodynamical Simulations of Merging Clusters of Galaxies: Characteristic Magnetic Field Structures Generated by Bulk Flow Motion, The Astrophysical Journal, 687(2) 951-958, 2008.11

    Motokazu Takizawa

    Single Author

  • Suzaku Observation of the Ophiuchus Galaxy Cluster: One of the Hottest Cool Core Clusters , Publications of the Astonomical Society of Japan, 60(5) 1133-1142, 2008.10

    Yutaka Fujita, Kiyoshi Hayashida, Masaaki Nagai, Susumu Inoue, Hironori Matsumoto, Nobuhiro Okabe, Thomas. H. Reiprich, Craig L. Sarazin, & Motokazu Takizawa

    Multiple Authorship (Including Foreigners)

  • High Metallicity of the X-Ray Gas up to the Virial Radius of a Binary Cluster of Galaxies: Evidence of Galactic Superwinds at High-Redshift, Publications of the Astonomical Society of Japan, 60(SP1) S343-S349, 2008.02

    Yutaka Fujita, Noriaki Tawa, Kiyoshi Hayashida, Motokazu Takizawa, Hironori Matsumoto, Nobuhiro Okabe, Thomas H. Reiprich

    Multiple Authorship (Including Foreigners)

  • On the X-Ray and Mass Distribution in the Merging Galaxy Cluster 1E 0657-56: Ram Pressure-Stripping in Substructures with an NFW Density Profile, Publications of the Astonomical Society of Japan, 58 925-929, 2006.12

    Motokazu Takizawa

    Single Author

  • Hydrodynamic Simulations of A Moving Substructure in A Cluster of Galaxies: Cold Fronts and Turbulence Generation, The Astrophysical Journal, 629 791-796, 2005.08

    Motokazu Takizawa

    Single Author

  • Turbulence Generation by Substructure Motion in Clusters of Galaxies, Advances in Space Research, 2005, Volume 36, Issue 4, 626, 36 626-629, 2005.04

    Motokazu Takizawa

    Single Author

  • Chandra Observations of the Central Region of Abell 3112, The Astrophysical Journal, 595 142, 2003.09

    Motokazu Takizawa, Craig L. Sarazin, Elizabeth L. Blanton, Greg B. Taylor

    Multiple Authorship (Including Foreigners)

  • Nonthermal Emissions from Particles Accelerated by Turbulence in Clusters of Galaxies, The Astrophysical Journal, 584 190-202, 2003.02

    Yutaka Fujita, Motokazu Takizawa, Craig L. Sarazin

    Multiple Authorship (Including Foreigners)

  • Radio Halo Formation through Magnetoturbulent Particle Acceleration in Clusters of Galaxies, The Astrophysical Journal, 577 658-667, 2002.10

    Hiroshi Ohno, Motokazu Takizawa, Shinpei Shibata

    Multiple Authorship (Including Foreigners)

  • Evolution of Hard X-ray Radiation from Clusters of Galaxies: Bremsstrahlung or Inverse Compton Scattering?, Publications of the Astronomical Society of Japan, 154 363-371, 2002.06

    Motokazu Takizawa

    Single Author

  • Non-Thermal Emission from Relativistic Electrons in Clusters of Galaxies: A Merger Shock Acceleration Model, The Astrophysical Journal, 535 586-592, 2000.06

    Motokazu Takizawa, Tsuguya Naito

    Multiple Authorship (Including Foreigners)

  • Off-Center Mergers of Clusters of Galaxies and Nonequipartition of Electrons and Ions in Intracluster Medium, The Astrophysical Journal, 532 183-192, 2000.03

    Motokazu Takizawa

    Single Author

  • Time Evolution of Galactic Warps in Prolate Haloes, Monthly Notices of the Royal Astronomical Society, 311 733-740, 2000.02

    M. Ideta, S. Hozumi, T. Tsuchiya, M. Takizawa

    Multiple Authorship (Including Foreigners)

  • Two-Temperature Intracluster Medium in Merging Clusters of Galaxies, The Astrophysical Journal, 520 514-528, 1999.08

    Motokazu Takizawa

    Single Author

  • Is Galactic Star-Formation Activity Increased during Cluster Mergers?, Publication of the Astronomical Society of Japan, 51 L1-L5, 1999.06

    Yutaka Fujita, Motokazu Takizawa, Masahiro Nagashima, Motohiro Enoki

    Multiple Authorship (Including Foreigners)

  • A Two-Temperature Model of the Intracluster Medium, The Astrophysical Journal, 509 579-586, 1998.12

    Motokazu Takizawa

    Single Author

  • Evolution of X-ray Clusters of Galaxies and Shock Heating of the Intracluster Medium, The Astrophysical Journal, 499 82-92, 1998.05

    Motokazu Takizawa, Shin Mineshige

    Multiple Authorship (Including Foreigners)

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Review Papers

  • Resolving 4-D Nature of Magnetism with Depolarization and Faraday Tomography: Japanese SKA Cosmic Magnetism Science, arXiv:1603.01974, 2016.03

    Takuya Akahori, Yutaka Fujita, Kiyotomo Ichiki, Shinsuke Ideguchi, Takahiro Kudoh, Yuki Kudoh, Mami Machida, Hiroyuki Nakanishi, Hiroshi Ohno, Takeaki Ozawa, Keitaro Takahashi, Motokazu Takizawa, for ...

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Scientific Research(C),2014.04 - 2018.03

  • Grant-in-Aid for Young Scientists(B),2007.04 - 2011.03

  • Grant-in-Aid for Young Scientists(B),2004.04 - 2007.03

  • Grant-in-Aid for Scientific Research(B),2001.04 - 2004.03