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Masato Shirasaki

Masato Shirasaki's Photo


4800 Oak Grove Drive
Pasadena, CA 91109

Curriculum Vitae:

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Member of:

Origin of the Universe


I am a cosmologist studying invible cosmic dark matter and cosmic acceleration with multi-wavelength astronomical datasets large-scale numerical simulaions, and deep-learning approaches.


  • Ph.D, Physics, University of Tokyo, Japan (2015)
  • M.S., Physics, University of Tokyo, Japan (2012)
  • B.S., Physics, Nagoya University, Japan (2010)

Professional Experience

  • National Astrnomical Observatory of Japan, Specially appointed assistant professor (2017-present)
  • National Astrpnomical Observatory of Japan, Postdoctral fellowship of the Japan Society for the Promotion of Science (2015-2017)

Community Service

Astronomical Society of Japan

Research Interests

  • Observational cosmology
  • Large-scale structures
  • Dark matter
  • Accelerating expanding of the Universe

Selected Awards

  • Inoue Research Award for Young Scientists (2017)
  • Outstanding Ph.D. Thesis Award in Department of Physics, University of Tokyo (2015)

Selected Publications

  • M. Shirasaki, T. Hamana, M. Takada, R. Takahashi, and H. Miyatake, “Mock galaxy shape catalogs in the Subaru Hyper Suprime-Cam Survey”, Mon. Not. Roy. Astron. Soc, 486 (2019) 52-69
  • M. Shirasaki, M. Takada, H. Miyatake, R. Takahashi, T. Hamana, T. Nishimichi et al., “Robust covariance estimation of galaxy–galaxy weak lensing: validation and limitation of jackknife covariance", Mon. Not. Roy. Astron. Soc. 470 (2017) 3476-3496
  • K. Osato, M. Shirasaki, and N. Yoshida, “Impact of Baryonic Processes on Weak-lensing Cosmology: Power Spectrum, Nonlocal Statistics, and Parameter Bias", Astrophys. J. 806 (2015) 186
  • M. Shirasaki, S. Horiuchi, and N. Yoshida, “Cross-Correlation of Cosmic Shear and Extragalactic Gamma-ray Background: Constraints on the Dark Matter Annihilation Cross- Section", Phys. Rev. D 90 (2014) 063502
  • M. Shirasaki and N. Yoshida, “Statistical and Systematic Errors in the Measurement of Weak-Lensing Minkowski Functionals: Application to the Canada-France-Hawaii Lensing Survey", Astrophys. J. 786 (2014) 43