久保田 あや

研究成果

年別の研究成果 1996 2001 2004 2007 2018 2022

• 90 Article
• 18 Conference contribution
• 8 Conference article
• 4 Paper
• 2 その他
  • 1 Comment/debate
  • 1 Review article

年別の研究成果

年別の研究成果

検索結果

• 2010

  Testing accretion disk structure with Suzaku data of LMC X-3

  Kubota, A., Done, C., Davis, S. W., Dotani, T., Mizuno, T. & Ueda, Y., 2010, In: Astrophysical Journal. 714, 1, p. 860-867 8 p.

  研究成果: Article › 査読

  • accretion disks 100%
  • accretion 89%
  • energy 35%
  • photosphere 27%
  • emissivity 26%
  29 被引用数 (Scopus)

• The ASTRO-H mission

  Takahashi, T., Mitsuda, K., Kelley, R., Aharonian, F., Akimoto, F., Allen, S., Anabuki, N., Angelini, L., Arnaud, K., Awaki, H., Bamba, A., Bando, N., Bautz, M., Blandford, R., Boyce, K., Brown, G., Chernyakova, M., Coppi, P., Costantini, E., Cottam, J., & 157 othersCrow, J., De Plaa, J., De Vries, C., Den Herder, J. W., DiPirro, M., Done, C., Dotani, T., Ebisawa, K., Enoto, T., Ezoe, Y., Fabian, A., Fujimoto, R., Fukazawa, Y., Funk, S., Furuzawa, A., Galeazzi, M., Gandhi, P., Gendreau, K., Gilmore, K., Haba, Y., Hamaguchi, K., Hatsukade, I., Hayashida, K., Hiraga, J., Hirose, K., Hornschemeier, A., Hughes, J., Hwang, U., Iizuka, R., Ishibashi, K., Ishida, M., Ishimura, K., Ishisaki, Y., Isobe, N., Ito, M., Iwata, N., Kaastra, J., Kallman, T., Kamae, T., Katagiri, H., Kataoka, J., Katsuda, S., Kawaharada, M., Kawai, N., Kawasaki, S., Khangaluyan, D., Kilbourne, C., Kinugasa, K., Kitamoto, S., Kitayama, T., Kohmura, T., Kokubun, M., Kosaka, T., Kotani, T., Koyama, K., Kubota, A., Kunieda, H., Laurent, P., Lebrun, F., Limousin, O., Loewenstein, M., Long, K., Madejski, G., Maeda, Y., Makishima, K., Markevitch, M., Matsumoto, H., Matsushita, K., McCammon, D., Miller, J., Mineshige, S., Minesugi, K., Miyazawa, T., Mizuno, T., Mori, K., Mori, H., Mukai, K., Murakami, H., Murakami, T., Mushotzky, R., Nakagawa, Y., Nakagawa, T., Nakajima, H., Nakamori, T., Nakazawa, K., Namba, Y., Nomachi, M., O'Dell, S., Ogawa, H., Ogawa, M., Ogi, K., Ohashi, T., Ohno, M., Ohta, M., Okajima, T., Ota, N., Ozaki, M., Paerels, F., Paltani, S., Parmer, A., Petre, R., Pohl, M., Porter, S., Ramsey, B., Reynolds, C., Sakai, S. I., Sambruna, R., Sato, G., Sato, Y., Serlemitsos, P., Shida, M., Shimada, T., Shinozaki, K., Shirron, P., Smith, R., Sneiderman, G., Soong, Y., Stawarz, L., Sugita, H., Szymkowiak, A., Tajima, H., Takahashi, H., Takei, Y., Tamagawa, T., Tamura, T., Tamura, K., Tanaka, T., Tanaka, Y., Tanaka, Y., Tashiro, M., Tawara, Y., Terada, Y., Terashima, Y., Tombesi, F., Tomida, H., Tozuka, M., Tsuboi, Y., Tsujimoto, M., Tsunemi, H., Tsuru, T., Uchida, H., Uchiyama, Y., Uchiyama, H., Ueda, Y., Uno, S., Urry, M., Watanabe, S., White, N., Yamada, T., Yamaguchi, H., Yamaoka, K., Yamasaki, N., Yamauchi, M., Yamauchi, S., Yatsu, Y., Yonetoku, D. & Yoshida, A., 2010, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray. SPIE, 77320Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7732).

  研究成果: Conference contribution

  • Calorimeter 100%
  • Hard X-ray 84%
  • Soft X-ray 75%
  • X-ray Spectroscopy 74%
  • Detector 68%
  212 被引用数 (Scopus)
• 2009

  Is the black hole in GX 339-4 really spinning rapidly?

  Yamada, S., Makishima, K., Uehara, Y., Nakazawa, K., Takahashi, H., Dotani, T., Ueda, Y., Ebisawa, K., Kubota, A. & Gandhi, P., 2009, In: Astrophysical Journal. 707, 2 PART 2, p. L109-L113

  研究成果: Article › 査読

  • metal spinning 100%
  • imaging spectrometers 75%
  • radii 62%
  • spectrometer 36%
  • x rays 36%
  32 被引用数 (Scopus)

• Scientific prospects of electron and gamma-ray observations with the CALET instrument on-board ISS

  Yoshida, K., Kubota, A., Torii, S., Kasahara, K., Akaike, Y., Tamura, T. & Mori, M., 2009 1月 1.

  研究成果: Paper › 査読

  • International Space Station 100%
  • gamma rays 60%
  • calorimeters 39%
  • sky 38%
  • cosmic rays 36%
  1 被引用数 (Scopus)

• Spectral transitions of an ultraluminous X-Ray source, NGC 2403 Source 3

  Isobe, N., Makishima, K., Takahashi, H., Mizuno, T., Miyawaki, R., Gandhi, P., Kawaharada, M., Senda, A., Yoshida, T., Kubota, A. & Kobori, H., 2009, In: Publications of the Astronomical Society of Japan. 61, SUPPL. 1, p. S279-S289

  研究成果: Article › 査読

  • luminosity 100%
  • transition 77%
  • erg 55%
  • x rays 55%
  • tin 43%
  7 被引用数 (Scopus)

• Suzaku observations of M 82 X-l: Detection of a curved hard X-Ray spectrum

  Miyawaki, R., Makishima, K., Yamada, S., Gandhi, P., Mizuno, T., Kubota, A., Tsuru, T. G. & Matsumoto, H., 2009, In: Publications of the Astronomical Society of Japan. 61, SUPPL. 1, p. S263-S278

  研究成果: Article › 査読

  • power law 100%
  • erg 95%
  • luminosity 85%
  • detection 82%
  • x rays 63%
  29 被引用数 (Scopus)

• X-Ray spectral variability of the seyfert galaxy NGC 4051 observed with Suzaku

  Terashima, Y., Gallo, L. C., Inoue, H., Markowitz, A. G., Reeves, J. N., Anabuki, N., Fabian, A. C., Griffiths, R. E., Hayashida, K., Itoh, T., Kokubun, N., Kubota, A., Miniutti, G., Takahashi, T., Yamauchi, M. & Yonetoku, D., 2009, In: Publications of the Astronomical Society of Japan. 61, SUPPL. 1, p. S299-S316

  研究成果: Article › 査読

  Open Access

  • Seyfert galaxies 100%
  • x rays 35%
  • power law 21%
  • continuums 16%
  • K lines 15%
  27 被引用数 (Scopus)
• 2008

  CAET Mission on the ISS

  Torii, S., Hareyama, M., Hasebe, N., Kasahara, K., Kobayashi, S., Kodaira, S., Murakami, H., Ozawa, S., Udo, S., Yamashita, N., Ebisawa, K., Fuke, H., Nishimura, J., Saito, Y., Takayanagi, M., Tomida, H., Ueno, S., Yamagami, T., Hibino, K., Okuno, S., & 60 othersTamura, T., Tateyama, N., Kobayashi, T., Kotani, T., Yamaoka, K., Yoshida, A., Shimizu, Y., Takita, M., Yuda, T., Katayose, Y., Shibata, M., Kamioka, E., Kubota, A., Yoshida, K., Ichimura, M., Kuramata, S., Tunesada, Y., Terasawai, T., Kitamura, H., Uchihori, Y., Komori, Y., Mizutani, K., Munakata, K., Shiomi, A., Michell, J. W., Ericsson, A. J., Hams, T., Krizmanic, J. F., Moissev, A. A., Sasaki, M., Ormes, J. F., Cherry, M. L., Guzik, T. G., Wefel, J. P., Binns, W. R., Israel, M. H., Krawzczynski, H., Marrocchesi, P. S., Gagliesi, M. G., Bigongiari, G., Caldarone, A., Kim, M. Y., Cecchi, R., Maestro, P., Millucci, V., Zei, R., Avanzini, C., Avanzini, T., Messine, A., Morsani, F., Adriani, O., Bonechi, L., Papini, P., Vannuccini, E., Chan, J., Gan, W., Lu, T., Ma, Y., Wang, H. & Chen, G., 2008, High Energy, Optical, and Infrared Detectors for Astronomy III. 702114. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7021).

  研究成果: Conference contribution

  • Gamma Rays 100%
  • Gamma rays 81%
  • International Space Station 80%
  • Calorimeter 75%
  • Cosmic Rays 75%
  9 被引用数 (Scopus)

• Discovery of a bright transient ultraluminous X-ray source, Suzaku J1305-4931 in NGC 4945

  Isobe, N., Kubota, A., Makishima, K., Gandhi, P., Griffiths, R. E., Dewangan, G. C., Itoh, T. & Mizuno, T., 2008, In: Publications of the Astronomical Society of Japan. 60, SPEC. ISS. 1, p. S241-S250

  研究成果: Article › 査読

  Open Access

  • erg 100%
  • luminosity 59%
  • x rays 33%
  • tin 25%
  • accretion 22%
  16 被引用数 (Scopus)

• Low/hard state spectra of GRO J1655-40 observed with Suzaku

  Takahashi, H., Fukazawa, Y., Mizuno, T., Hirasawa, A., Kitamoto, S., Sudoh, K., Ogita, T., Kubota, A., Makishima, K., Itoh, T., Parmar, A. N., Ebisawa, K., Naik, S., Dotani, T., Kokubun, M., Ohnuki, K., Takahashi, T., Yaqoob, T., Angelini, L., Ueda, Y., & 6 othersYamaoka, K., Kotani, T., Kawai, N., Namlki, M., Kohmura, T. & Negoro, H., 2008, In: Publications of the Astronomical Society of Japan. 60, SPEC. ISS. 1, p. S69-S83

  研究成果: Article › 査読

  Open Access

  • imaging spectrometers 100%
  • luminosity 97%
  • x rays 90%
  • energy 78%
  • spectrometer 68%
  44 被引用数 (Scopus)

• Suzaku results on cygnus X-1 in the low/hard State

  Makishima, K., Takahashi, H., Yamada, S., Done, C., Kubota, A., Dotani, T., Ebisawa, K., Itoh, T., Kitamoto, S., Negoro, H., Ueda, Y. & Yamaoka, K., 2008, In: Publications of the Astronomical Society of Japan. 60, 3, p. 585-604 20 p.

  研究成果: Article › 査読

  Open Access

  • corona 100%
  • coronas 89%
  • continuums 32%
  • erg 30%
  • luminosity 27%
  100 被引用数 (Scopus)
• 2007

  Hard X-ray Detector (HXD) on board Suzaku

  Takahashi, T., Abe, K., Endo, M., Endo, Y., Ezoe, Y., Fukazawa, Y., Hamaya, M., Hirakurl, S., Hong, S., Horii, M., Inoue, H., Isobe, N., Itoh, T., Iyomoto, N., Kamae, T., Kasama, D., Kataoka, J., Kato, H., Kawaharada, M., Kawano, N., & 49 othersKawashima, K., Kawasoe, S., Klshishita, T., Kltaguchi, T., Kobayashi, Y., Kokubun, M., Kotoku, J., Kouda, M., Kubota, A., Kuroda, Y., Madejski, G., Makishima, K., Masukawa, K., Matsumoto, Y., Mitani, T., Miyawaki, R., Mizuno, T., Mori, K., Mori, M., Murashima, M., Murakami, T., Nakazawa, K., Niko, H., Nomachi, M., Okada, Y., Ohno, M., Oonuki, K., Ota, N., Ozawa, H., Sato, G., Shinoda, S., Sugiho, M., Suzuki, M., Taguchi, K., Takahashi, H., Takahashi, I., Takeda, S., Tamura, K. I., Tamura, T., Tanaka, T., Tanihata, C., Tashiro, M., Terada, Y., Tominaga, S., Uchiyama, Y., Watanabe, S., Yamaoka, K., Yanagida, T. & Yonetoku, D., 2007, In: Publications of the Astronomical Society of Japan. 59, 1 SPEC. ISS., p. S35-S51

  研究成果: Article › 査読

  Open Access

  • counters 100%
  • detector 99%
  • detectors 62%
  • x rays 51%
  • diodes 42%
  579 被引用数 (Scopus)

• In-flight status of the X-ray observatory Suzaku

  Dotani, T., Mitsuda, K., Bautz, M., Inoue, H., Kelley, R. L., Koyama, K., Kunieda, H., Makishima, K., Ogawara, Y., Petre, R., Takahashi, T., Tsunemi, H., White, N. E., Anabuki, N., Angelini, L., Arnaud, K., Awaki, H., Bamba, A., Boyce, K., Brown, G. V., & 127 othersChan, K. W., Cottam, J., Doty, J., Ebisawa, K., Ezoe, Y., Fabian, A. C., Figueroa, E., Fujimoto, R., Fukazawa, Y., Furusho, T., Furuzawa, A., Gendreau, K., Griffiths, R. E., Haba, Y., Hamaguchi, K., Harrus, I., Hasinger, G., Hatsukade, I., Hayashida, K., Henry, P. J., Hiraga, J. S., Holt, S. S., Hornschemeier, A., Hughes, J. P., Hwang, U., Ishida, M., Ishisaki, Y., Isobe, N., Itoh, M., Iyomoto, N., Kahn, S. M., Kamae, T., Katagiri, H., Kataoka, J., Katayama, H., Kawai, N., Kawaharada, M., Kilbourne, C., Kinugasa, K., Kissel, S., Kitamoto, S., Kohama, M., Kohmura, T., Kokubun, M., Kotani, T., Kotoku, J., Kubota, A., Madejski, G. M., Maeda, Y., Makino, F., Markowitz, A., Matsumoto, C., Matsumoto, H., Matsuoka, M., Matsushita, K., McCammon, D., Mihara, T., Misaki, K., Miyata, E., Mizuno, T., Mori, K., Mori, H., Morii, M., Moseley, H., Mukai, K., Murakami, H., Murakami, T., Mushotzky, R., Nagase, F., Namiki, M., Negoro, H., Nakazawa, K., Nousek, J. A., Okajima, T., Ogasaka, Y., Ohashi, T., Oshima, T., Ota, N., Ozaki, M., Ozawa, H., Parmar, A. N., Pence, W. D., Porter, F. S., Reeves, J. N., Ricker, G. R., Sakurai, I., Sanders, W. T., Senda, A., Serlemitsos, P., Shibata, R., Shinozaki, K., Soong, Y., Smith, R., Suzuki, M., Szymkowiak, A. E., Takahashi, H., Takei, Y., Tamagawa, T., Tamura, K., Tamura, T., Tanaka, Y., Tashiro, M., Tawara, Y., Terada, Y., Terashima, Y., Tomida, H., Torii, K., Tsuboi, Y., Tsujimoto, Y., Tsuru, T., Turner, M. J. L., Uchiyama, Y., Ueda, Y., Ueno, S., Ueno, M., Uno, S., Urata, Y., Watanabe, S., Yamamoto, N., Yamaoka, K., Yamasaki, N. Y., Yamashita, K., Yamauchi, M., Yamauchi, S., Yaqoob, T., Yonetoku, D. & Yoshida, A., 2007, 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC. p. 2526-2531 6 p. 4436667. (IEEE Nuclear Science Symposium Conference Record; vol. 4).

  研究成果: Conference contribution

  • flight 100%
  • observatories 96%
  • X-Rays 82%
  • x rays 47%
  • imaging spectrometers 39%

• In-orbit performance of the hard X-ray detector on board Suzaku

  Kokubun, M., Makishima, K., Takahashi, T., Murakami, T., Tashiro, M., Fukazawa, Y., Kamae, T., Madejski, G. M., Nakazawa, K., Yamaoka, K., Terada, Y., Yonetoku, D., Watanabe, S., Tamagawa, T., Mizuno, T., Kubota, A., Isobe, N., Takahashi, I., Sato, G., Takahashi, H., & 37 othersHong, S., Kawaharada, M., Kawano, N., Mitani, T., Murashima, M., Suzuki, M., Abe, K., Miyawaki, R., Ohno, M., Tanaka, T., Yanagida, T., Itoh, T., Ohnuki, K., Tamura, K. I., Endo, Y., Hirakuri, S., Hiruta, T., Kitaguchi, T., Kishishita, T., Sugita, S., Takahashi, T., Takeda, S., Enoto, T., Hirasawa, A., Katsuta, J., Matsumura, S., Onda, K., Sato, M., Ushio, M., Ishikawa, S. N., Murase, K., Odaka, H., Suzuki, M., Yaji, Y., Yamada, S., Yamasaki, T. & Yuasa, T., 2007, In: Publications of the Astronomical Society of Japan. 59, 1 SPEC. ISS., p. S53-S76

  研究成果: Article › 査読

  Open Access

  • detector 100%
  • orbits 83%
  • detectors 63%
  • x rays 51%
  • performance 50%
  224 被引用数 (Scopus)

• Modelling the behaviour of accretion flows in X-ray binaries: EEverything you always wanted to know about accretion but were afraid to ask

  Done, C., Gierliński, M. & Kubota, A., 2007 12月, In: Astronomy and Astrophysics Review. 15, 1, p. 1-66 66 p.

  研究成果: Article › 査読

  • accretion 100%
  • luminosity 74%
  • x rays 48%
  • modeling 44%
  • radio 40%
  753 被引用数 (Scopus)

• Prospects of gamma-ray observations and dark matter search with CALET

  Yoshida, K., Kubota, A., Torii, S., Kasahara, K., Shimizu, Y., Tamura, T. & Chang, J., 2007 1月 1, p. 817-820. 4 p.

  研究成果: Paper › 査読

  • particle telescopes 100%
  • dark matter 56%
  • gamma rays 48%
  • Fermi Gamma-ray Space Telescope 29%
  • positrons 28%

• Suzaku discovery of absorption lines from the black hole transient 4U1630-472

  Kubota, A., Dotani, T., Cottam, J., Kotani, T., Done, C., Ueda, Y., Fabian, A. C., Yasuda, T., Takahashi, H., Fukazawa, Y., Yamaoka, K., Makishima, K., Yamada, S., Kohmura, T. & Angelini, L., 2007, In: Progress of Theoretical Physics Supplement. 169, p. 225-228 4 p.

  研究成果: Article › 査読

  Open Access

  • iron 100%
  • K lines 94%
  • blue shift 74%
  • energy bands 65%
  • absorbers 57%

• Suzaku discovery of iron absorption lines in outburst spectra of the X-ray transient 4U 1630-472

  Kubota, A., Dotani, T., Cottam, J., Kotani, T., Done, C., Ueda, Y., Fabian, A. C., Yasuda, T., Takahashi, H., Fukazawa, Y., Yamaoka, K., Makishima, K., Yamada, S., Kohmura, T. & Angelini, L., 2007, In: Publications of the Astronomical Society of Japan. 59, 1 SPEC. ISS., p. S185-S198

  研究成果: Article › 査読

  Open Access

  • outburst 100%
  • ionization 85%
  • iron 62%
  • soft energy 53%
  • x rays 39%
  62 被引用数 (Scopus)

• Suzaku observation of 1H0707-495: Puzzling spectral drop around 7 keV

  Hayashida, K., Anabuki, N., Gallo, L., Iwasawa, K., Tanaka, Y., Miniutti, G., Fabian, A. C., Reeves, J. N., Yaqoob, T., Okajima, T., Matsumoto, C., Haba, Y., Terashima, Y., Kubota, A. & Ueda, Y., 2007, In: Progress of Theoretical Physics Supplement. 169, p. 269-273 5 p.

  研究成果: Article › 査読

  Open Access

  • coronas 100%
  • coverings 87%
  • galaxies 73%

• Suzaku observation of two ultraluminous X-ray sources in NGC1313

  Mizuno, T., Miyawaki, R., Ebisawa, K., Kubota, A., Miyamoto, M., Winter, L., Ueda, Y., Isobe, N. & Makishima, K., 2007, In: Progress of Theoretical Physics Supplement. 169, p. 229-233 5 p.

  研究成果: Article › 査読

  Open Access

  • x rays 100%
  • XMM-Newton telescope 41%
  • newton 36%
  • luminosity 29%
  • curvature 28%
  1 被引用数 (Scopus)

• Suzaku observation of two ultraluminous X-ray sources in NGC 1313

  Mizuno, T., Miyawaki, R., Ebisawa, K., Kubota, A., Miyamoto, M., Winter, L. M., Ueda, Y., Isobe, N., Dewangan, G. C., Done, C., Griffiths, R. E., Haba, Y., Kokubun, M., Kotoku, J., Makishima, K., Matsushita, K., Mushotzky, R. F., Namiki, M., Petre, R., Takahashi, H., & 2 othersTamagawa, T. & Terashima, Y., 2007, In: Publications of the Astronomical Society of Japan. 59, 1 SPEC. ISS., p. S257-S267

  研究成果: Article › 査読

  Open Access

  • erg 100%
  • x rays 66%
  • luminosity 44%
  • power law 35%
  • cut-off 30%
  32 被引用数 (Scopus)

• The 7-Steps of the data analysis

  Terada, Y., Bamba, A., Hiraga, J. S., Isobe, N., Kubota, A., Ota, N., Ranalli, P., Senda, A., Suzuki, M., Tamagawa, T., Urata, Y., Ozaki, M., Ebisawa, K., Ishisaki, Y., Matsumoto, H., Yamagishi, I., Tamura, T., Mukai, K., Angelini, L. & Hamaguchi, K., 2007, In: Progress of Theoretical Physics Supplement. 169, p. 312-315 4 p.

  研究成果: Article › 査読

  Open Access

  • data structures 100%
  2 被引用数 (Scopus)

• The X-ray observatory Suzaku

  Mitsuda, K., Bautz, M., Inoue, H., Kelley, R. L., Koyama, K., Kunieda, H., Makishima, K., Ogawara, Y., Petre, R., Takahashi, T., Tsunemi, H., White, N. E., Anabuki, N., Angelini, L., Arnaud, K., Awaki, H., Bamba, A., Boyce, K., Brown, G. V., Chan, K. W., & 123 othersCottam, J., Dotani, T., Doty, J., Ebisawa, K., Ezoe, Y., Fabian, A. C., Figueroa, E., Fujimoto, R., Fukazawa, Y., Furusho, T., Furuzawa, A., Gendreau, K., Griffiths, R. E., Haba, Y., Hamaguchi, K., Harrus, I., Hasinger, G., Hatsukade, I., Hayashida, K., Henry, P. J., Hiraga, J. S., Holt, S. S., Hornschemeier, A., Hughes, J. P., Hwang, U., Ishida, M., Ishisaki, Y., Isobe, N., Itoh, M., Iyomoto, N., Kahn, S. M., Kamae, T., Katagiri, H., Kataoka, J., Katayama, H., Kawai, N., Kllbourne, C., Kinugasa, K., Klssel, S., Kitamoto, S., Kohama, M., Kohmura, T., Kokubun, M., Kotani, T., Kotoku, J., Kubota, A., Madejski, G. M., Maeda, Y., Makino, F., Markowitz, A., Matsumoto, C., Matsumoto, H., Matsuoka, M., Matsushita, K., Mccammon, D., Mihara, T., Misakl, K., Miyata, E., Mizuno, T., Mori, K., Mori, H., Morii, M., Moseley, H., Mukai, K., Murakami, H., Murakami, T., Mushotzky, R., Nagase, F., Namiki, M., Negoro, H., Nakazawa, K., Nousek, J. A., Okajima, T., Ogasaka, Y., Ohashi, T., Oshima, T., Ota, N., Ozaki, M., Ozawa, H., Parmar, A. N., Pence, W. D., Porter, F. S., Reeves, J. N., Ricker, G. R., Sakurai, I., Sanders, W. T., Senda, A., Serlemitsos, P., Shibata, R., Soong, Y., Smith, R., Suzuki, M., Szymkowiak, A. E., Takahashi, H., Tamagawa, T., Tamura, K., Tamura, T., Tanaka, Y., Tashiro, M., Tawara, Y., Terada, Y., Terashima, Y., Tomida, H., Torii, K., Tsuboi, Y., Tsujimoto, M., Tsuru, T. G., Turner, M. J. L., Ueda, Y., Ueno, S., Ueno, M., Uno, SI., Urata, Y., Watanabe, S., Yamamoto, N., Yamaoka, K., Yamasaki, N. Y., Yamashita, K., Yamauchi, M., Yamauchi, S., Yaqoob, T., Yonetoku, D. & Yoshida, A., 2007, In: Publications of the Astronomical Society of Japan. 59, 1 SPEC. ISS., p. S1-S7

  研究成果: Article › 査読

  Open Access

  • observatory 100%
  • observatories 99%
  • x rays 49%
  • X-ray spectroscopy 27%
  • spacecraft 25%
  711 被引用数 (Scopus)
• 2006

  Detailed spectral study of an ultra-luminous compact X-ray source, M 81 X-9, in the disk-dominated state

  Tsunoda, N., Kubota, A., Namiki, M., Sugiho, M., Kawabata, K. & Makishima, K., 2006, In: Publications of the Astronomical Society of Japan. 58, 6, p. 1081-1088 8 p.

  研究成果: Article › 査読

  Open Access

  • luminosity 100%
  • x rays 49%
  • erg 37%
  • temperature 31%
  • XMM-Newton telescope 31%
  24 被引用数 (Scopus)

• Disc-corona energetics in the very high state of Galactic black holes

  Done, C. & Kubota, A., 2006 9月, In: Monthly Notices of the Royal Astronomical Society. 371, 3, p. 1216-1230 15 p.

  研究成果: Article › 査読

  • corona 100%
  • coronas 89%
  • energetics 81%
  • luminosity 54%
  • emissivity 50%
  103 被引用数 (Scopus)

• Inflight calibration and performance of the hard X-ray detector (HXD) onboard Suzaku

  Fukazawa, Y., Mizuno, M., Takahashi, H., Kawano, N., Ohno, M., Hirasawa, A., Yamasaki, T., Makishima, K., Kokubun, M., Kawaharada, M., Murashima, M., Miyawaki, R., Yanagida, T., Itoh, T., Kitaguchi, T., Hirakuri, S., Enoto, T., Sato, M., Takahashi, T., Nakazawa, K., & 18 othersWatanabe, S., Tanaka, T., Oonuki, K., Tamura, K., Kishishita, T., Takeda, S., Ushio, M., Katsuta, J., Terada, Y., Tamagawa, T., Kubota, A., Tashiro, M., Endo, Y., Yamaoka, K., Murakami, T., Yonetoku, D., Kamae, T. & Madejski, G. M., 2006, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray. 62662L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 6266 II).

  研究成果: Conference contribution

  • Hard X-ray 100%
  • X ray detectors 76%
  • Calibration 49%
  • Scintillator 44%
  • X rays 30%

• In-orbit calibration of the hard X-ray detector (HXD-II) onboard Suzaku

  Kitaguchi, T., Kokubun, M., Kawaharada, M., Murashima, M., Miyawaki, R., Yanagida, T., Itoh, T., Hirakuri, S., Enoto, T., Sato, M., Makishima, K., Takahashi, T., Nakazawa, K., Watanabe, S., Tanaka, T., Terada, Y., Tamagawa, T., Kubota, A., Fukazawa, Y., Mizuno, M., & 8 othersTakahashi, H., Yamasaki, T., Tashiro, M., Endo, Y., Yamaoka, K., Murakami, T., Yonetoku, D. & Kamae, T., 2006, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII. 63190U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 6319).

  研究成果: Conference contribution

  • Hard X-ray 100%
  • X ray detectors 76%
  • Cosmic X-Ray 49%
  • Calibration 49%
  • Orbits 39%
  2 被引用数 (Scopus)

• Spectral study of ultra-luminous compact X-ray sources with XMM-NEWTON and CHANDRA

  Miyawaki, R., Sogiho, M., Kubota, A., Makishima, K., Namiki, M., Tanaka, T. & Tsunoda, N., 2006, X-ray Universe 2005. 604 ed. p. 433-438 6 p. (European Space Agency, (Special Publication) ESA SP; vol. 1, no. 604).

  研究成果: Conference contribution

  • luminosity 100%
  • XMM-Newton telescope 93%
  • Luminance 79%
  • X rays 74%
  • x rays 37%

• Suzaku broadband observations of galactic black hole binaries: Low/hard state spectra of GRO J1655-40

  Takahashi, H., Fukazawa, Y., Mizuno, T., Hirasawa, A., Kitamoto, S., Sudoh, K., Ogita, T., Kubota, A., Makishima, K., Kokubun, M., Itoh, T., Parmar, A. N., Dotani, T., Ebisawa, K., Naik, S., Takahashi, T., Ohnuki, K., Yaqoob, T., Angelini, L., Ueda, Y., & 6 othersYamaoka, K., Kotani, T., Kawai, N., Namiki, M., Kohmura, T. & Negoro, H., 2006 7月, In: European Space Agency, (Special Publication) ESA SP. 622 SP, p. 325-332 8 p.

  研究成果: Conference article › 査読

  • Band structure 100%
  • Photons 84%
  • Luminance 68%
  • broadband 50%
  • energy 34%

• Suzaku observation of the black hole transient 4U1630-472: Discovery of absorption lines

  Kubota, A., Dotani, T., Cottam, J., Kotani, T., Done, C., Ueda, Y., Fabian, A. C., Yasuda, T., Takahashi, H., Fukazawa, Y., Yamaoka, K., Makishima, K., Yamada, S., Kohmura, T. & Angelini, L., 2006 8月 1, In: Proceedings of the International Astronomical Union. 2, S238, p. 23-28 6 p.

  研究成果: Article › 査読

  • soft energy 100%
  • Iron 91%
  • Observation 78%
  • iron 72%
  • outburst 62%
• 2005

  A search for X-rays from the long-duration microlensing event MACHO-96-BLG-5

  Maeda, Y., Kubota, A., Kobayashi, Y., Itoh, A., Kunieda, H., Terashima, Y. & Tsuboi, Y., 2005 9月 20, In: Astrophysical Journal. 631, 1 II, p. L65-L68

  研究成果: Article › 査読

  • massive compact halo objects 100%
  • luminosity 80%
  • erg 44%
  • stellar mass 34%
  • power law 31%
  12 被引用数 (Scopus)

• On the temperature profile of radiatively efficient geometrically thin disks in black hole binaries with the ASCA GIS

  Kubota, A., Ebisawa, K., Makishima, K. & Nakazawa, K., 2005 10月 1, In: Astrophysical Journal. 631, 2 I, p. 1062-1071 10 p.

  研究成果: Article › 査読

  Open Access

  • temperature profile 100%
  • temperature profiles 97%
  • GIS 76%
  • accretion disks 52%
  • accretion 46%
  24 被引用数 (Scopus)

• Spectral evolution of a luminous compact X-ray source in NGC 253 with Chandra and XMM-Newton observatories

  Tanaka, T., Sugiho, M., Kubota, A., Makishima, K. & Takahashi, T., 2005, In: Publications of the Astronomical Society of Japan. 57, 3, p. 507-511 5 p.

  研究成果: Article › 査読

  Open Access

  • luminosity 100%
  • XMM-Newton telescope 93%
  • newton 82%
  • observatory 75%
  • observatories 75%
  6 被引用数 (Scopus)

• Three spectral states of the disk X-ray emission of the black-hole candidate 4U 1630-47

  Abe, Y., Fukazawa, Y., Kubota, A., Kasama, D. & Makishima, K., 2005, In: Publications of the Astronomical Society of Japan. 57, 4, p. 629-641 13 p.

  研究成果: Article › 査読

  Open Access

  • luminosity 100%
  • accretion 76%
  • erg 55%
  • x rays 55%
  • outburst 47%
  39 被引用数 (Scopus)

• X-ray spectra of the Narrow-Line Seyfert 1 Galaxy Ton S180 in comparison with galactic black holes

  Murashima, M., Kubota, A., Makishima, K., Kokubun, M., Hong, S. & Negoro, H., 2005, In: Publications of the Astronomical Society of Japan. 57, 2, p. 279-285 7 p.

  研究成果: Article › 査読

  • power law 100%
  • accretion 98%
  • galaxies 77%
  • electron clouds 69%
  • X Ray Timing Explorer 67%
  2 被引用数 (Scopus)
• 2004

  Accretion disk spectra of the ultra-luminous X-ray sources in nearby spiral galaxies and galactic superluminal jet sources

  Ebisawa, K., Zycki, P. T., Kubota, A., Mizuno, T. & Watarai, K. Y., 2004, In: Progress of Theoretical Physics Supplement. 155, p. 67-70 4 p.

  研究成果: Article › 査読

  Open Access

  • spiral galaxies 100%
  • accretion disks 91%
  • x rays 39%
  • energy spectra 9%
  • luminosity 9%
  2 被引用数 (Scopus)

• Development of hard X-ray polarimeter for γ-ray bursts

  Gunji, S., Suzuki, T., Sato, F., Sakurai, H., Tokanai, F., Saito, Y. & Kubota, A., 2004, In: Advances in Space Research. 33, 10, p. 1771-1776 6 p.

  研究成果: Article › 査読

  • Polarimeters 100%
  • Gamma rays 80%
  • polarimeters 73%
  • gamma ray bursts 68%
  • gamma radiation 65%
  2 被引用数 (Scopus)

• Improvements of the Astro-E2 hard X-Ray Detector (HXD-II)

  Kokubun, M., Abe, K., Ezoe, Y., Fukazawa, Y., Hong, S., Inoue, H., Itoh, T., Kamae, T., Kasama, D., Kawaharada, M., Kawano, N., Kawashima, K., Kawasoe, S., Kobayashi, Y., Kotoku, J., Kouda, M., Kubota, A., Madejski, G. M., Makishima, K., Mitani, T., & 26 othersMiyasaka, H., Miyawaki, R., Mori, K., Mori, M., Murakami, T., Murashima, M. M., Nakazawa, K., Niko, H., Nomachi, M., Ohno, M., Okada, Y., Oonuki, K., Sato, G., Suzuki, M., Takahashi, H., Takahashi, I., Takahashi, T., Tamura, K., Tanaka, T., Tashiro, M., Terada, Y., Tominaga, S., Watanabe, S., Yamaoka, K., Yanagida, T. & Yonetoku, D., 2004 10月, In: IEEE Transactions on Nuclear Science. 51, 5 I, p. 1991-1996 6 p.

  研究成果: Article › 査読

  • Proton irradiation 100%
  • X ray detectors 96%
  • Orbits 50%
  • Electronic equipment 48%
  • Detectors 44%
  65 被引用数 (Scopus)

• Spectral evolution of an ultraluminous compact X-ray source in NGC 253

  Tanaka, T., Sugiho, M., Kubota, A., Makishima, K. & Takahashi, T., 2004, In: Progress of Theoretical Physics Supplement. 155, p. 427-428 2 p.

  研究成果: Article › 査読

  Open Access

  • x rays 100%
  • tin 69%
  • estimates 43%

• The three spectral regimes found in the stellar black hole XTE J1550-564 in its high/soft state

  Kubota, A. & Makishima, K., 2004 1月 20, In: Astrophysical Journal. 601, 1 I, p. 428-438 11 p.

  研究成果: Article › 査読

  • luminosity 100%
  • accretion 57%
  • power law 39%
  • accretion disks 37%
  • erg 27%
  146 被引用数 (Scopus)

• The very high state accretion disc structure from the Galactic black hole transient XTE J1550 - 564

  Kubota, A. & Done, C., 2004 9月 21, In: Monthly Notices of the Royal Astronomical Society. 353, 3, p. 980-990 11 p.

  研究成果: Article › 査読

  • luminosity 100%
  • outburst 94%
  • accretion disks 85%
  • accretion 76%
  • scattering 65%
  78 被引用数 (Scopus)

• Three spectral states of the disk X-ray emission of the black hole candidate 4U1630-47

  Abe, Y., Fukazawa, Y. & Kubota, A., 2004, In: Progress of Theoretical Physics Supplement. 155, p. 303-304 2 p.

  研究成果: Article › 査読

  Open Access

  • x rays 100%
  • X Ray Timing Explorer 56%
  • scattering 45%
  • proposals 41%
  2 被引用数 (Scopus)

• Understanding of X-ray spectra of black hole binaries and its application to ULXs

  Kubota, A., Makishima, K. & Done, C., 2004, In: Progress of Theoretical Physics Supplement. 155, p. 19-26 8 p.

  研究成果: Article › 査読

  Open Access

  • x rays 100%
  • cooling 75%
  • X Ray Timing Explorer 70%
  • high energy electrons 55%
  • tin 51%
  6 被引用数 (Scopus)

• X-ray spectra of narrow-line seyfert 1 galaxies in comparison with galactic black holes

  Murashima, M. M., Kubota, A. & Makishima, K., 2004 1月 1, In: Progress of Theoretical Physics Supplement. 155, p. 389-390 2 p.

  研究成果: Article › 査読

  • XMM-Newton telescope 100%
  • newton 88%
  • cut-off 73%
  • galaxies 64%
  • x rays 39%
• 2003

  Accretion disk spectra of ultraluminous x-ray sources in nearby spiral galaxies and galactic superluminal jet sources

  Ebisawa, K., Zycki, P., Kubota, A., Mizuno, T. & Watarai, K. Y., 2003 11月 10, In: Astrophysical Journal. 597, 2 I, p. 780-797 18 p.

  研究成果: Article › 査読

  Open Access

  • x ray sources 100%
  • spiral galaxies 95%
  • accretion disks 86%
  • accretion 77%
  • luminosity 40%
  85 被引用数 (Scopus)

• Observational evidence for a high-energy Compton cloud in GRO J1655-40 under a high accretion rate

  Kobayashi, Y., Kubota, A., Nakazawa, K., Takahashi, T. & Makishima, K., 2003, In: Publications of the Astronomical Society of Japan. 55, 1, p. 273-279 7 p.

  研究成果: Article › 査読

  • accretion 100%
  • power law 67%
  • energy 52%
  • rate 35%
  • cut-off 29%
  8 被引用数 (Scopus)
• 2002

  Another interpretation of the power-law-type spectrum of an ultraluminous compact X-ray source in IC 342

  Kubota, A., Done, C. & Makishima, K., 2002 12月 11, In: Monthly Notices of the Royal Astronomical Society. 337, 3, p. L11-L15

  研究成果: Article › 査読

  • power law 100%
  • luminosity 76%
  • accretion 59%
  • x rays 47%
  • transition 39%
  15 被引用数 (Scopus)

• Improvement on the light yield of a high-Z inorganic scintillator GSO(Ce)

  Kamae, T., Fukazawa, Y., Isobe, N., Kokubun, M., Kubota, A., Osone, S., Takahashi, T., Tsuchida, N. & Ishibashi, H., 2002 9月 11, In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 490, 3, p. 456-464 9 p.

  研究成果: Article › 査読

  • Sodium Iodide 100%
  • Phosphors 80%
  • X ray detectors 68%
  • Crystals 60%
  • scintillation counters 57%
  10 被引用数 (Scopus)

• Performance of the ASTRO-E hard X-ray detector

  Tashiro, M., Kamae, T., Makishima, K., Takahashi, T., Murakami, T., Fukazawa, Y., Kokubun, M., Nakazawa, K., Nomachi, M., Yoshida, A., Ezoe, Y., Isobe, N., Iyomoto, N., Kataoka, J., Kotoku, J., Kouda, M., Kubo, S., Kubota, A., Matsumoto, Y., Mizuno, T., & 16 othersMadejski, G. M., Okada, Y., Ota, N., Ozawa, H., Sato, G., Sugiho, M., Sugizaki, M., Takahashi, I., Takahashi, H., Tamura, T., Tanihata, C., Terada, Y., Uchiyama, Y., Watanabe, S., Yamaoka, K. & Yonetoku, D., 2002 8月, In: IEEE Transactions on Nuclear Science. 49 I, 4, p. 1893-1897 5 p.

  研究成果: Article › 査読

  • X ray detectors 100%
  • Full width at half maximum 44%
  • Spectral resolution 43%
  • Band structure 41%
  • Phosphors 39%
  26 被引用数 (Scopus)
• 2001

  Accretion disk spectra of super-luminal jet sources and ultra-luminous compact X-ray sources in nearby spiral galaxies

  Ebisawa, K., Kubota, A., Mizuno, T. & Zycki, P., 2001, In: Astrophysics and Space Science. 276, SUPPL., p. 11-14 4 p.

  研究成果: Article › 査読

  • spiral galaxies 100%
  • accretion disks 91%
  • accretion 81%
  • x rays 39%
  • angular momentum 27%
  4 被引用数 (Scopus)