Academic Staff and Fellows

Lecturer Ph. D.
Department/Science  Graduate school/Science

X-ray observations have revealed that the universe is hot and energetic. My research focuses on high-energy phenomena occurring in our galaxy. I am also developing the CCD detector onboard the XRISM satellite.

Research Area High-energy Astrophysics
Selected Publications [1] “Evidence for a Neutral Iron Line Generated by MeV Protons from Supernova Remnants Interacting with Molecular Clouds”, K. K. Nobukawa, M. Nobukawa, K. Koyama et al. Astrophysical Journal, 854(2), 87 (2018)

[2] “Scale heights and equivalent widths of the iron K-shell lines in the Galactic diffuse X-ray emission”, S. Yamauchi, K. K. Nobukawa, M. Nobukawa et al. Publications of the Astronomical Society of Japan, 68(4), 59 (2016)

[3] “Enhancement of the 6.4 keV Line in the Inner Galactic Ridge: Proton-induced Fluorescence?”, K. K. Nobukawa, M, Nobukawa, H. Uchiyama et al. Astrophysical Journal Letters, 807(1), L10 (2015)

[4] “Use of a charge-injection technique to improve performance of the Soft X-ray Imager aboard ASTRO-H”, K. K. Nobukawa, T. G. Tsuru, M. Nobukawa et al. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 765, 269 (2014)
Affiliated Academic Societies International Astronomical Union
Astronomical Society of Japan
The Physical Society of Japan
High-energy Astrophysics Association in Japan
(Undergraduate Course)
Kyoto University
Title of Thesis, Institute, Date X-ray Study of Neutral Iron Line Emission in the Galactic Ridge: Contribution of Low-Energy Cosmic Rays, Kyoto University, March 2016

High-energy Astrophysics Lab.

E-mail kumiko(at)
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Laboratory URL

Academic Staff and Fellows