研究実績

Refereed journals

  1. Y.Aoki, et al.,(32人中32番目にHiraga,Jを含む),
    (2023), 10th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging; 12-16 December 2022, Santa Fe, New Mexico, USA, published May 08, 2023. Online at. [doi]
    "Simulation Study of Pulse Height Difference Between Pixel Patterns of X-ray CCDs Onboard the XRISM Satellite"
  2. Asakura, Kazunori ; Hayashida, Kiyoshi ; Kawabata, Tomoki ; Tomokage, Yoneyama ; Noda, Hirofumi ; Matsumoto, Hironori ; Tsunemi, Hiroshi search by orcid ; Nakajima, Hiroshi search by orcid ; Awaki, Hisamitsu ; Hiraga, Junko S..,
    (2023), Journal of Astronomical Telescopes, Instruments, and Systems, Volume 9, id. 025004 (2023). [doi] [arXiv:2305.03050]
    "Multi-image x-ray interferometer module: I. Design concept and proof-of-concept experiments with fine-pitch slits"
  3. Nakajima, Hiroshi ; Nakamura, Shotaro ; Hagino, Koichi ; Kiuchi, Ayumi ; Matsumoto, Takuya ; Yamagami, Tohya ; Yoneyama, Tomokage ; Hiraga, Junko S. ; Ezoe, Yuichiro ; Ishikawa, Kumi.,
    (2022), Proceedings of the SPIE, Volume 12181, id. 121812C 7 pp. [doi]
    "Development of the focal-plane CMOS detector for the GEO-X mission"
  4. Y.Ezoe, et al.,(29人中17番目にHiraga,Junkoを含む),
    (2022), Proceedings of the SPIE, Volume 12181, id. 1218124 12 pp. [doi]
    "GEO-X (GEOspace X-ray imager)"
  5. K.Mori, et al.,(55人中27番目にHiraga,Junkoを含む),
    (2022), Proceedings of the SPIE, Volume 12181, id. 121811T 11 pp. [doi] [arXiv:2303.07575]
    "Xtend, the soft x-ray imaging telescope for the X-Ray Imaging and Spectroscopy Mission (XRISM)"
  6. Y.Ezoe, et al.,(28人中16番目にHiraga,Junkoを含む),
    (2022), 44th COSPAR Scientific Assembly. Held 16-24 July, 2022. Online at, [HP] Abstract D3.2-0004-22.
    "Status of GEO-X (GEOspace X-ray imager) mission"
  7. N.Ogino, et al.,(12人中7番目にHiraga,Junkoを含む),
    (2022), IEEE, [doi] Abstract D3.2-0004-22.
    "Development of an FPGA-based Readout System of CMOS Image Sensor toward Future Satellite Missions"
  8. K.Ishikawa, et al.,(20人中14番目にHiraga,Junkoを含む),
    (2021), 43rd COSPAR Scientific Assembly. Held 28 January - 4 February, 2021. Abstract C3.3-0004-21 (oral), id.790,
    "The Earth's magnetosphere imaging mission : GEO-X"
  9. Nakajima, Hiroshi ; Nakamura, Shotaro ; Kouno, Hikaru ; Hiraga, Junko ; Yuhi, Daito ; Ezoe, Yuichiro ; Ishikawa, Kumi,
    (2021), Proceedings of the SPIE, Volume 11454, id. 114540K 7 pp. (2021)., [doi]
    "Developing the detector of x-ray imaging spectrometer for GEO-X mission"
  10. Ogino, Naoki search by orcid ; Arimoto, Makoto search by orcid ; Sawano, Tatsuya ; Yonetoku, Daisuke ; Yu, Pang ; Watanabe, Shota ; Hiraga, Junko S. ; Yuhi, Daito ; Hatori, Satoshi ; Kume, Kyo search by orcid ; Hasegawa, Takashi.,
    (2021), Nucl.Instrum.and Meth., A987, 164843, [doi]
    "Performance verification of next-generation Si CMOS soft X-ray detector for space applications"
  11. T.Yoneyama, et al.,(30人中21番目にHiraga,Junkoを含む),
    (2021), Nucl.Instrum.and Meth., A985, 164676, [doi]
    "Screening and selection of XRISM/Xtend flight model CCD"
  12. Hiraga, Junko S. ; Kamata, Yasuaki ; Yuhi, Daito ; Urabe, Yukino ; Yoshida, Akihiro ; Nakajima, Hiroshi,
    (2020), Proceedings of the SPIE, Volume 11454, id. 1145438 6 pp. (2020)., [doi]
    "X-ray photon counting performance of front-illuminated scientific CMOS image sensor"
  13. Nakajima, Hiroshi ; Nakamura, Shotaro ; Kouno, Hikaru ; Hiraga, Junko ; Yuhi, Daito ; Ezoe, Yuichiro ; Ishikawa, Kumi,
    (2020), Proceedings of the SPIE, Volume 11454, id. 114540K 7 pp. (2020)., [doi]
    "Developing the detector of x-ray imaging spectrometer for GEO-X mission"
  14. Ogino, Naoki ; Arimoto, Makoto ; Sawano, Tatsuya ; Yonetoku, Daisuke ; Goto, Hatsune ; Hyeongsoon, Wang ; Hiraga, Junko ; Sakamoto, Takanori ; Sei, Kensyo ; Yatsu, Yoichi,
    (2020), Proceedings of the SPIE, Volume 11444, id. 114445L 7 pp. (2020)., [doi]
    "Development of a fast readout system of a CMOS image sensor for the time-domain astronomy"
  15. D.Yonetoku, et al.,(87人中13番目にHiraga,Junkoを含む),
    (2020), Proceedings of the SPIE, Volume 11444, id. 114442Z 13 pp. (2020)., [doi]
    "High-redshift gamma-ray burst for unraveling the Dark Ages Mission: HiZ-GUNDAM"
  16. Y.Ezoe, et al.,(27人中9番目にHiraga,Junkoを含む),
    (2020), Proceedings of the SPIE, Volume 11444, id. 1144428 12 pp. (2020)., [doi]
    "GEO-X (GEOspace x-ray imager)"
  17. T.Yoneyama, et al.,(31人中29番目にHiraga,Junkoを含む),
    (2020), Proceedings of the SPIE, Volume 11444, id. 1144425 10 pp. (2020)., [doi]
    "On-ground calibration of XRISM/Xtend CCD"
  18. M.Tashiro, et al.,
    (2020), Proceedings of the SPIE, Volume 11444, id. 1144422 11 pp. (2020)., [doi]
    "Status of x-ray imaging and spectroscopy mission (XRISM)"
  19. K.Asakura, et al.,(17人中17番目にHiraga,Junkoを含む),
    (2020), Proceedings of the SPIE, Volume 11444, id. 114441D 13 pp. (2020)., [doi]
    "Subsub-arcseconds x-ray imaging with multi-image x-ray interferometer module (MIXIM): experimental results"
  20. Y.Kanemaru, et al.,(41人中36番目にHiraga,Junkoを含む),
    (2020), Nucl.Instrum.and Meth., A984, 164646, [doi] [arXiv:2009.06246]
    "Experimental studies on the charge transfer inefficiency of CCD developed for the soft X-ray imaging telescope Xtend aboard the XRISM satellite"
  21. H.Uchida, et al.,(41人中36番目にHiraga,Junkoを含む),
    (2020), Nucl.Instrum.and Meth., A978, 164374, [doi]
    "Optical blocking performance of CCDs developed for the X-ray Astronomy Satellite XRISM"
  22. M. Arimoto, N. Ogino,T. Sawano,D. Yonetoku,J. S. Hiraga,D. Yuhi,S. Hatori,K. Kume,T. Hasegawa,,
    (2019), IEEE, [doi]
    "Demonstration of detecting soft X-rays using the CMOS detector toward future astronomical mission"
  23. K.Kayama, et al.,(34人中8番目にHiraga,Junkoを含む),
    (2019), JINST, 14, 06, C06005, [doi]
    "Subpixel response of SOI pixel sensor for X-ray astronomy with pinned depleted diode: first result from mesh experiment"
  24. Y.Kanemaru, et al.,(33人中27番目にHiraga,Junkoを含む),
    (2019), JINST, 14, 04, C04003, [doi]
    "Radiation hardness of a p-channel notch CCD developed for the X-ray CCD camera onboard the XRISM satellite"
  25. Hitomi Collaboration,
    (2018), PASJ, 70, 6, 113(1-19), [doi]
    "Detection of polarized gamma-ray emission from the Crab nebula with the Hitomi Soft Gamma-ray detector"
  26. Hitomi Collaboration,
    (2018), PASJ, 70, 3, 38(1-16), [doi]
    "Hitomi X-ray observation of the pulsar wind nebula G21.5-0.9"
  27. T.Takahashi, et al.,
    (2018), J.Astron.Telesc.Instrum.Syst, 4, 2, 021402, [doi]
    "Hitomi (ASTRO-H) X-ray Astronomy Satellite"
  28. H.Nakajima, et al.,
    (2018), PASJ, 70, 2, 21(1-17), [doi]
    "In-orbit performance of the soft X-ray imaging system aboard Hitomi (ASTRO-H)"
  29. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 17(1-17), [doi]
    "Glimpse of the highly obscured HMXB IGR J16318-4848 with Hitomi"
  30. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 16(1-19), [doi]
    "Hitomi observations of the LMC SNR N 132 D: Highly redshifted X-ray emission from iron ejecta"
  31. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 15(1-18), [doi]
    "Hitomi X-ray studies of giant radio pulses from the Crab pulsar"
  32. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 14(1-17), [doi]
    "Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer"
  33. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 13(1-20), [doi]
    "Hitomi observation of radio galaxy NGC 1275: The first X-ray microcalorimeter spectroscopy of Fe-Kα line emission from an active galactic nucleus"
  34. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 12(1-48), [doi]
    "Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi"
  35. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 11(1-30), [doi]
    "Temperature structure in the Perseus cluster core observed with Hitomi"
  36. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 10(1-29), [doi]
    "Measurements of resonant scattering in the Perseus cluster core with Hitomi SXS"
  37. Hitomi Collaboration,
    (2018), PASJ, 70, 2, 9(1-32), [doi]
    "Atmospheric gas dynamics in the Perseus cluster observed with Hitomi"
  38. T.Tanaka, et al.,
    (2018), J.Astron.Telesc.Instrum.Syst, 4, 1, 011211, [doi]
    "Soft X-ray imager aboard Hitomi (ASTRO-H)"
  39. Hitomi Collaboration,
    (2017), Nature, 551, 478-480, [doi]
    "Solar abundance ratios of the iron-peak elements in the Perseus cluster"
  40. F.A.Aharonian, et al.,
    (2017), ApJL, 837, 1-L15, 9, [doi]
    "Hitomi constraints on the 3.5 keV line in the Perseus galaxy cluster"
  41. Hitomi Collaboration,
    (2016), Nature, 535, 7610, 117-121, [doi]
    "The quiescent intracluster medium in the core of the Perseus cluster"
  42. S.Katsuda, et al.,
    (2015), ApJ, 814, 1, 29, 11, [doi]
    "Evidence for thermal X-ray line emission from the synchrotron-dominated Supernova remnant RX J1713.7-3946"
  43. M.Izawa, T.Dotani, T.Fujinaga, A.Bamba, M.Ozaki, J.S.Hiraga,
    (2015), PASJ, 67, 3, 43(1-8), [doi]
    "Suzaku observations of the old pulsar wind nebula candidate HESS J1356-645"
  44. M.Tahara, et al.,
    (2015), ApJ, 802, 2-91, 13, [doi]
    "Suzaku X-ray observations of the fermi bubbles: Northernmost cap and southeast claw dscovered with MAXI-SSC"
  45. T.Nakano, H.Murakami, K.Makishima, J.S.Hiraga, H.Uchiyama, H.Kaneda, T.Enoto,
    (2015), PASJ, 67, 1, 9(1-12), [doi]
    "Suzaku studies of the supernova remnant CTB 109 hosting the magnetar 1E 2259+586"
  46. K.K.Nobukawa, et al.,
    (2014), Nucl.Instrum.and Meth., A765, 269-274, [doi]
    "Use of a charge-injection technique to improve performance of the Soft X-ray imager aboard ASTRO-H"
  47. K.Makishima, et al.,
    (2014), Phys.Rev.Lett., 112, 171102, [doi]
    "Possible evidence for free precession of a strongly magnetized neutron star in the magnetar 4U 0142+61"
  48. H.Yamaguchi, et al.,
    (2014), ApJL, 785, L27, 5, [doi]
    "Discriminating the progenitor type of Supernova remnants with iron K-shell emission"
  49. T.Fujinaga, K.Mori, A.Bamba, S.Kimura, T.Dotani, M.Ozaki, K.Matsuta, G.Pulhofer, H.Uchiyama, J.S.Hiraga, H.Matsumoto, Y.Terada,
    (2013), PASJ, 65, 3, 61(1-9), [doi]
    "An X-ray counterpart of HESS J1427-608 discovered with Suzaku"
  50. T.Kishishita, J.Hiraga, Y.Uchiyama,
    (2013), A&A, 551, A132, 6, [doi]
    "Nonthermal emission properties of the northwestern rim of Supernova remnant RX J0852.0-4622"
  51. Y.Maeda, et al., (29人中11番目にJ.S.Hiragaを含む),
    (2009), PASJ, 61, 6, 1217-1228, [doi]
    "Suzaku X-ray imaging and spectroscopy of Cassiopeia A"
  52. H.Yamaguchi, M.Ozawa, K.Koyama, K.Masai, J.S.Hiraga, M.Ozaki, D.Yonetoku,
    (2009), ApJL, 705, 1, L6-L9, [doi]
    "Discovery of strong radiative recombination continua from the Supernova remnant IC 443 with Suzaku"
  53. J.S.Hiraga, Y.Kobayashi, T.Tamagawa, A.Hayato, A.Bamba, Y.Terada, R.Petre, H.Katagiri, H.Tsunemi,
    (2009), PASJ, 61, 2, 275-281, [doi]
    "Search for Sc-K line emission from RX J0852.0-4622 Supernova remnant with Suzaku"
  54. T.Tamagawa, et al., (22人中6番目にJ.S.Hiragaを含む)
    (2009), PASJ, 61, sp1, S167-S174, [doi]
    "Suzaku observation of Tycho supernova remnant"
  55. T.Tanaka, Y.Uchiyama, F.A.Aharonian, T.Takahashi, A.Bamba, J.S.Hiraga, (他8人)
    (2008), ApJ, 685, 2, 988-1004, [doi]
    "Study of nonthermal emission from SNR RX J1713.7-3946 with Suzaku"
  56. A.Bamba, et al.,
    (2008), PASJ, 60, sp1, S153-S161, [doi]
    "Suzaku wide-band observations of SN1006"
  57. H.Yamaguchi, et al.,
    (2008), PASJ, 60, sp1, S141-S151, [doi]
    "X-ray spectroscopy of SN 1006 with Suzaku"
  58. T.Takahashi, T.Tanaka, Y.Uchiyama, J.S.Hiraga, et al., (他11人)
    (2008), PASJ, 60, sp1, S131-S140, [doi]
    "Measuring the broad-band X-ray spectrum from 400eV to 20keV in the southwest part of the Supernova remnant RXJ1713.7-3946"
  59. A.Bamba, et al.,
    (2008), Adv.Space Res, 41, 3, 411-415, [doi]
    "Oxygen line mapping of SN 1006 with Suzaku"
  60. Aharonian, F., et al., (J.S.Hiragaを含む(アルファベット順))
    (2007), ApJ, 661, 1, 236-249, [doi]
    "H.E.S.S observations of the supernova remnant RX J0852.0-4622: Shell-Type morphology and spectrum of a widely extended very high energy Gamma-ray source"
  61. J.S.Hiraga, S.Nakamura, Y.Uchida, M.Kikuchi, S.Kurata , Y.Ozaki, S.Kurata, S.Kamada, T.Takashima, Y.Uchihori, H.Kitamura, H.Tawara,
    (2007), Nucl.Instrum.and Meth., A573, 1-2, 236-239, [doi]
    "A novel multi-collimator using BP-1 glass and application for X-ray CCDs"
  62. K.Mitsuda et al., (J.S.Hiragaを含む(アルファベット順))
    (2007), PASJ, 59, sp1, S1-S7, [doi]
    "The X-ray observatory Suzaku"
  63. K.Koyama et al., (J.S.Hiragaを含む)
    (2007), PASJ, 59, sp1, S23-S33,[doi]
    "X-ray imaging spectrometer (XIS) on board Suzaku"
  64. 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, H.Yamaguchi,
    (2007), PASJ, 59, sp1, S171-S176, [doi]
    "A Suzaku observations of low-ionization Fe-line emission from RCW 86"
  65. 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, F.S.Porter,
    (2007), PASJ, 59, sp1, S199-S208,[doi]
    "Suzaku observations of HESS J1616-508: Evidence for a dark particle accelerator"
  66. 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, T.Yuasa,
    (2007), PASJ, 59, sp1, S209-S214A, [doi]
    "Discovery of a pssible X-ray counterpart to HESS J1804-216"
  67. N.Kimmel, J.S.Hiraga, R.hartmann, N.Meidinger, L.Struder,
    (2006), Nucl.Instrum.and Meth., A568, 1, 128-133, [doi]
    "The direct measurement of the signal charge behavior in pnCCDs with subpixel resolution"
  68. J.S.Hiraga, H.Tsunemi,
    (2005), Nucl.Instrum.and Meth., A562, 1, 241-244, [doi]
    "The charge cloud shape generated by a Cu-K X-ray photon inside the CCD"
  69. A.Bamba R.Yamasai, J.S.Hiraga,
    (2005), ApJ, 632, 1, 294-301, [doi]
    "Chandra observations of a Galactic Supernova remnant Vela Jr.: A new sample of thin filaments emitting synchrotron X-rays"
  70. J.S.Hiraga, Y.Uchiyama, T.Takahashi, F.A.Aharonian,
    (2005), A&A, 431, 3, 953-961, [doi]
    "Spectral properties of nonthermal X-ray emission from the shell-type SNR RX J1713.7 3946 as revealed by XMM-Newton"
  71. E.Miyata, M.Miki, J.Hiraga, D.Kamiyama, H.Kouno, H.Tsunemi, K.Miyaguchi, K.Yamamoto,
    (2003), Nucl.Instrum.and Meth., A513, 1-2, 322-326, [doi]
    "Mesh experiment for back-illuminated CCDs in improvement of position resolution"
  72. Y.Fukui, et al.,
    (2003), PASJ, 55, 5, L61-L64, [doi]
    "Discovery of interacting molecular gas toward the TeV Gamma-ray peak of the SNR G 347.3-0.5"
  73. J.Hiraga, H.Tsunemi, E.Miyata, H.Kouno, K.Miyaguchi, K.Matsuta, M.Fukuda, M.Mihara, T.Minamisono,
    (2003), Nucl.Instrum.and Meth., A512, 1-2, 326-331, [doi]
    "Which part of a CCD pixel is sensitive to the proton damage?"
  74. H.Tsunemi, J.Hiraga, E.Miyata, H.Kouno, K.Miyaguchi, M.Fukuda, M.Mihara, K.Matsuta, K.Tanaka, T.Minamisono,
    (2003), Jpn.J.Appl.Phys., 42, 4A, 1816, [doi]
    "Radiation hardness of the notch structure inside the charge-coupled device"
  75. E.Miyata, M.Miki, J.Hiraga, H.Kouno, K.Yasui, H.Tsunemi, K.Miyaguchi, K.Yamamoto,
    (2002), Jpn. J.Appl.Phys., 41, 9, 5827, [doi]
    "Application of the mesh experiment for the back-illuminated charge-coupled device: I. experiment and the charge cloud shape"
  76. E.Miyata, M.Miki, H.Tsunemi, J.Hiraga, H.Kouno, K.Miyaguchi,
    (2002), Jpn.J.Appl.Phys., 41, 2-5A, L500-L501, [doi]
    "Direct X-ray imaging of μm precision using back-illuminated charge-coupled device"
  77. E.Miyata, M.Miki, H.Tsunemi, J.Hiraga, H.Kouno, K.Miyaguchi,
    (2002), Jpn.J.Appl.Phys., 41, 5A, 500,
    "Direct X-ray imaging of μm precision using back-illuminated charge-coupled device"
  78. H.Tsunemi, J.Hiraga, E.Miyata,
    (2002), Nucl.Instrum.and Meth., A477, 1-3, 155-160, [doi]
    "Application of a finite size of the charge cloud shape generated by an X-ray photon inside the CCD"
  79. J.Hiraga, H.Tsunemi, A.D.Short, A.F.Abbey, P.J.Bennie, M.J.L.Turner,
    (2001), Nucl.Instrum.and Meth., A465, 2-3, 384-393, [doi]
    "Direct measurement of sub-pixel structure of the EPIC MOS CCD on-board the XMM/NEWTON satellite"
  80. J.Hiraga, H.Tsunemi, E.Miyata,
    (2001), Jpn.J.Appl.Phys., 40, 3A,1493-1498, [doi]
    "Subpixel spatial resolution of the X-ray charge-coupled device based on the charge cloud shape"
  81. H.Tsunemi, J.Hiraga, E.Miyata, K.Yoshita, M.Ohtani,
    (2000), IEEE Trans Nucl Sci, 47, 6, 2014-2019, [doi]
    "Distortion of a charge cloud shape inside the CCD produced by an X-ray photon"
  82. H.Tsunemi, E.Miyata, B.Aschenbach, J.Hiraga, D.Akutsu,
    (2000), PASJ, 52, 5, 887-893, [doi]
    "Overabundance of calcium in the young SNR RX J0852-4622: Evidence of over-production of 44Ti"
  83. H.Tsunemi, J.Hiraga, K.Yoshita, E.Miyata, M.Ohtani,
    (2000), Nucl.Instrum.and Meth., A439, 2-3, 592-600, [doi]
    "Comparison of methods of measuring the primary charge-cloud shape produced by an X-ray photon inside the CCD"
  84. K.Yoshita, H.Tsunemi, J.Hiraga, K.C.Gendreau, M.W.Bautz,
    (2000), Adv.Space Res, 25, 3-4, 889-892, [doi]
    "Direct measurement of the charge cloud size in SIS CCDs"
  85. H.Tsunemi, E.Miyata, K.Kinugasa, J.Hiraga,
    (2000), Adv.Space Res, 25, 3-4, 539-548, [doi]
    "Thermal emission from SNRs and plasma diagnostics"
  86. H.Tsunemi, J.Hiraga, K.Mori, K.Yoshita, E.Miyata,
    (1999), Nucl.Instrum.and Meth., A436, 1-2, 32-39, [doi]
    "Diagnostics of the CCD using the mesh experiment"
  87. H.Tsunemi, J.Hiraga, K.Yoshit, E.Miyata,
    (1999), Jpn.J.Appl.Phys., 38, 5R, 2953, [doi]
    "Does an X-Ray photon really generate a charge cloud with an asymmetric shape?"
  88. H.Tsunemi, J.Hiraga, K.Yoshita, K.Hayashida,
    (1999), Nucl.Instrum.and Meth., A421, 1-2, 90-98, [doi]
    "Measurement of the charge cloud shape produced by an X-ray photon inside the CCD using a mesh experiment"
  89. J.Hiraga, H.Tsunemi, K.Yoshita, E.Miyata,
    (1999), Astronomische Nachrichten, 320, 4, 371, [doi]
    "Measurement of the final charge cloud shape produced by an X-ray photon inside the CCD"
  90. K.Hashimotodani,
    (1998), Rev.Sci.Instrum, 69, 11, 3746-3750, [doi]
    "Measurement of quantum efficiency of a charge coupled device"
  91. J.Hiraga, H.Tsunemi, K.Yoshita, E.Miyata, M.Ohtani,
    (1998), Jpn.J.Appl.Phys., 37, 4627-4632, [doi]
    "How big are charge clouds inside the charge-coupled device produced by X-ray photons?"
  92. H.Tsunemi, J.Hiraga, K.Yoshita, S.Kitamoto,
    (1998), Jpn.J.Appl.Phys., 37, 2734-2739, [doi]
    "Where are the X-ray event grades formed inside the pixel of the charge-coupled device? The behavior of the primary charge cloud inside the charge-coupled device"
  93. Non-refereed journals

  94. H.Nakajima, et al.,
    (2018), Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray; 1069963, [doi]
    "Development of focal plane x-ray detector aboard a microsatellite for monitoring supermassive blackholes"
  95. K.Hayashida, et al.,
    (2018), Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray; 1069923, [doi]
    "Soft x-ray imaging telescope (Xtend) onboard X-ray astronomy recovery mission (XARM)"
  96. M.Tashiro, et al.,
    (2018), Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray; 1069922, [doi]
    "Concept of the X-ray astronomy recovery mission"
  97. S.Katsuda, et al.,
    (2017), Supernova 1987A:30 years later - Cosmic Rays and Nuclei from Supernovae and their aftermaths, Proc. the International Astronomical Union, IAU Symposium, 331, 206-212, [doi]
    "Detecting thermal X-ray emission and proper motions in RX J1713.7-3946"
  98. H.Tsunemi, et al.,
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