研究実績

Refereed journals

  1. J.S.Hiraga, Y.Kobayashi, T. Tamagawa, A. Hayato, A.Bamba, Y.Terada, R.Petre, H.Katagiri, H.Tsunemi 2009, PASJ, to be appeared in Vol. 66
    "Search for Sc-K line emission from supernova remnant RXJ0852-4622",
  2. T.Tamagawa et al., 2009, PASJ 61S, 167-174　(22人中６番目にJ.S.Hiragaを含む)
    "Suzaku Observation of Tycho supernova remnant"
  3. T.Tanaka, Y.Uchiyama, F.A. Aharonian, T. Takahashi, A.Bamba, J.S.Hiraga,（他８人） ApJ, 685, 988-1004,
    "Study of nonthermal emission from SNR RX J1713.7-3946 with SUZAKU"
  4. T.Takhashi, T.Tanaka, Y.Uchiyama, J.S.Hiraga et al. (他１１人) 2008 PASJ, 60S, 131-140,
    "Measuring the Broad-Band X-ray Spectrum from 400eV to 20keV in the Southwest Part of the supernova Remnant RXJ1713.7-3946"
  5. Aharonian et al. (J.S.Hiraga を含む(アルファベット順))
    (2007) Astrophysical Journal, 661 1, 236-249
    "H.E.S.S observations of the supernova remnant RX J0852.0-4622:shell-type morphology and spectrum of a widely extended VHE gamma-ray source"
  6. J. S. Hiraga, S. Nakamura, Y. Uchida, M. Kikuchi, S. Kurata , Y. Ozaki, S. Kurata, S. Kamada, T. Takashima, Y. Uchihori, H. Kitamura and H. Tawara
    (2007), Nucl. Instrum. and Meth., A573, 236-239,
    "A novel multi-collimator using BP-1 glass and application for X-ray CCDs"
  7. Mitsuda et al. (J. S. Hiraga を含む(アルファベット順))
    (2007) PASJ, vol.59, Issue SP1, pS1-S7
    "X-ray observatory Suzaku"
  8. Koyama et al. (J. S. Hiraga を含む)
    (2007) PASJ, vol.59, Issue SP1, pS9-S21
    "X-ray Imaging Spectroscopy (XIS) on Board Suzaku"
  9. M.Ueno, R. Sato, J. Kataoka, A. Bamba, I. Harrus, J. S. Hiraga, J.P.Hughe, C. A. Kilbourne, K. Koyama, M. Kokubun, H. Nakajima, M. Ozaki, R. Petre, T. Takahashi, T. Tanaka, H. Tomida and H. Yamaguchi
    (2007) PASJ, vol.59, Issue SP1, pS171-S176
    "A Suzaku Observations of Low-Ionization Fe-Line Emission from RCW 86"
  10. H. Matsumoto, M. Ueno, A. Bamba, Y. Hyodo, H. Mori, H. Uchiyama, T. G. Tsuru, K. Koyama, J. Kataoka, H. Katagiri, T. Takahashi, J. S. Hiraga, S. Yamauchi, J. P. Hughes, A. Senda, M. Kokubun, T. Kohmura, and F. S. Porter
    (2007) PASJ, vol.59, Issue SP1, pS199-S208
    "Suzaku Observations of HESS J16161-508:Evidence for a Dark Particle Accelerator"
  11. A.Bamba, K.Koyama, J.S.Hiraga, J.P.Hughes, T.Kohmura, M.Kokubun, Y.Maeda, H.Matsumoto, A.Senda, T.Takahashi, Y.Tsuboi, S.Yamaguchi, and T.Yuasa,
    (2007) PASJ, vol.59, Issue SP1, pS209-S214A
    "Discovery of a Pssible X-Ra-y Counterpart to HESS J1804-216"
  12. N.Kirmel, J.S.Hiraga(corresponding author), N.Meidinger and L.Struder
    (2006), Nucl. Instrum. and Meth., A568, 128-133"The direct measurement of the signal charge behavior in pnCCD with subpixel resolution"
  13. J.S.Hiraga and H.Tsunemi, (2005), Nucl. Instrum. and Meth., A562(1) 241-244
    "The charge cloud shape generated by a Cu-K X-ray photon inside the CCD"
  14. A.Bamba R.Yamasai and J.S.Hiraga, (2005), Astrophysical Journal, 632 1, 294-331
    "Chanda Observation of A Galactic Supernova remnant Vela Jr. New Sample of Thin Filaments Emitting Synchrotron X-rays"
  15. J.S.Hiraga, Y.Uchiyama, T.Takahashi and F.A.Aharonian
    (2005) Astronomy & Astrophysics 431 953-961
    "Spectral properties of nonthermal X-ray emission from the shell-type SNR RX~J1713.7--3946 as revealed by XMM-Newton"
  16. J.Hiraga, H. Tsunemi, E. Miyata, H.Kouno, K.Miyaguchi, K.Matsuta, M.Fukuda, M.Mihara and T.Minamisono, (2003),
    Nucl. Instrum. and Meth., A512, 326-331,
    "Which part of a pixel is sensitive against the proton onto the CCD?"
  17. H. Tsunemi, J. Hiraga, E. Miyata, (2002), Nucl. Instrum. and Meth., A477, 155-160,
    "Application of a finite size of the charge cloud shape generated by an X-ray photon inside the CCD"
  18. J. Hiraga, H. Tsunemi, A. D. Short, A. F. Abbey, P. J. Bennie, and M. J. L. Turner, (2001), Nucl. Instrum. and Meth., A465, 384-393,
    "Direct measurement of sub-pixel structure of the EPIC MOS CCD on-board the XMM/NEWTON satellite"
  19. J. Hiraga, H. Tsunemi and E. Miyata (2001), Jpn. J. Appl. Phys., 40, 1493-1498,
    "Subpixel Spatial Resolution of the X-Ray Charge-Coupled Device Based on the Charge Cloud Shape"
  20. H. Tsunemi, E. Miyata, B. Aschenbach, J. Hiraga and D. Akutsu
    (2000), Pub. Astr. Soc. Japan, 52, 887-894,
    "Overabundance of Calcium in the Young SNR RXJ0852-4622: Evidence of Over-Production of 44Ti"
  21. H. Tsunemi, E. Miyata K. Kinugasa and J. Hiraga,
    (2000), Advances in Space Research, 25, 539-548,
    "Thermal emission from SNRs and plasma diagnostics"
  22. H. Tsunemi, J. Hiraga, K. Mori, K. Yoshita and E. Miyata,
    (1999), Nucl. Instrum. and Meth., A436, 32-39,
    "Diagnostics of the CCD using the mesh experiment"
  23. J. Hiraga, H. Tsunemi, K. Yoshita, E. Miyata and M. Ohtani,
    (1998), Jpn. J. Appl. Phys., 37, 4627-4632,
    "How big are charge clouds inside the charge-coupled device produced by X-ray photons?"
  24. H. Tsunemi, J. Hiraga, K. Yoshita and S. Kitamoto,
    (1998), Jpn. J. Appl. Phys., 37, 2734-2739,
    "Where are the X-ray event grades formed inside the pixel of the charge coupled　device?