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STAFF

Masahiko ARAKAWA

@Professor
@Graduate School of Science
@Faculty of Science

@Center for Planetary Science


  • e-mail: masahiko.arakawa(at)penguin.kobe-u.ac.jp
  • Office: Science and Technology Bldg 3, Room 101
  • Mailing address:
    Department of Planetology, Graduate School of Science, Kobe University, Nada, Kobe 657-8501, Japan
  • Experimental Planetary Science Laboratory URL

ARAKAWA

Research Interests:

   I try to reproduce various phenomena occurred in the Solar System 4.6 billions ago, so I conduct impact experiments and deformation experiments to study the planetary formation process, evolution and tectonics of planets and satellites.


Recent Publications:@

  • Arakawa, M., Okazaki, M., Nakamura, M., Jutzi, M., Yasui, M., and Hasegawa, S., gDispersion and shattering strength of rocky and frozen planetesimals studied by laboratory experiments and numerical simulationsh, Icarus 373, 114777, 2022.
  • Yasui, M., Tazawa, T., Hashimoto, R., Arakawa, M., Ogawa, K., gImpacts may provide heat for aqueous alteration and organic solid formation on asteroid parent bodiesh, Commun. Earth Environ. 2, 95, 2021.
  • Shimaki, Y., Arakawa, M., gTensile strength and elastic properties of fine-grained ice aggregates: Implications for crater formation on small icy bodiesh, Icarus 369, 114646, 2021.
  • Honda, R., Arakawa, M. et al., gResurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2fs Small Carry-on Impactorh, Icarus 366, 114530, 2021.
  • Wada, K., Ishibashi, K., Kimura, H., Arakawa, M., et al., gSize of particles ejected from an artificial impact crater on asteroid 162173 Ryuguh, Astron. Astrophys. 647, A43, 2021.
  • Suzuki, A., Fujita, Y., Harada, S., et al. (18th), gExperimental study concerning the oblique impact of low- and high-density projectiles on sedimentary rocksh, Planet. Space Sci. 195, 105141, 2021.
  • Saiki, T., Mimasu, Y., Takei, Y., et al. (23rd), gMotion reconstruction of the small carry-on impactor aboard Hayabusa2h, Astrodynamics 4 (4), 289-308, 2020.
  • Saiki, T., Takei, Y., Mimasu, Y., Sawada, H., Ogawa, N., Ono, G., Yoshikawa, K., Terui, F., Arakawa, M., Sugita, S., Watanabe, S., Yoshikawa, M., Nakazawa, S., Tsuda, Y., gHayabusa2's kinetic impact experiment: Operational planning and resultsh, Acta Astron. 175, 362-374, 2020.
  • Kadono, T., Arakawa, M., Honda, R., Ishibashi, K., Ogawa, K., Sakatani N., Sawada, H., Shimaki, Y., Shirai, K., Sugita, S., Wada, K., gImpact Experiment on Asteroid (162173) Ryugu: Structure beneath the Impact Point Revealed by In Situ Observations of the Ejecta Curtainh, Astrophys. J. Lett.899 (1), L22, 2020.
  • Arakawa et al., gAn artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regimeh, Science vol. 368, pp. 67-71, 2020.
  • Matsue, K., Yasui, M., Arakawa, M., Hasegawa, S., "Measurements of seismic waves induced by high-velocity impacts: Implications for seismic shaking surrounding impact craters on asteroidsh, Icarus 338, 113520, 2020.
  • Yasui, M., Arakawa, M., Yoshida, Y., Matsue K., Takano, S., "Effects of oblique impacts on the impact strength of porous gypsum and glass spheres: Implications for the collisional disruption of planetesimals and thermal evolution", Icarus 335, 113414, 2020.


Academic Associations:@



UPDATE: 12/04/2022

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Department of Planetology, Graduate School of Science, Kobe University

ADDRESS
1-1, Rokkodai-cho, Nada-ku, Kobe, Hyogo, Japan, 657-8501

TEL: (+81)-78-803-6483
FAX :(+81)-78-803-5791