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1. The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO)

Author

Vogel, J.K., Armengaud, E., Avignone, F.T., Betz, M., Brax, P., Brun, P., Cantatore, G., Carmona, J.M., Carosi, G.P., Caspers, F., Caspi, S., Cetin, S.A., Chelouche, D., Christensen, F.E., Dael, A., Dafni, T., Davenport, M., Derbin, A.V., Desch, K., Diago, A., Döbrich, B., Dratchnev, I., Dudarev, A., Eleftheriadis, C., Fanourakis, G., Ferrer-Ribas, E., Galán, J., García, J.A., Garza, J.G., Geralis, T., Gimeno, B., Giomataris, I., Gninenko, S., Gómez, H., González-Díaz, D., Guendelman, E., Hailey, C.J., Hiramatsu, T., Hoffmann, D.H.H., Horns, D., Iguaz, F.J., Irastorza, I.G., Isern, J., Imai, K., Jakobsen, A.C., Jaeckel, J., Jakovčić, K., Kaminski, J., Kawasaki, M., Karuza, M., Krčmar, M., Kousouris, K., Krieger, C., Lakić, B., Limousin, O., Lindner, A., Liolios, A., Luzón, G., Matsuki, S., Muratova, V.N., Nones, C., Ortega, I., Papaevangelou, T., Pivovaroff, M.J., Raffelt, G., Redondo, J., Ringwald, A., Russenschuck, S., Ruz, J., Saikawa, K., Savvidis, I., Sekiguchi, T., Semertzidis, Y.K., Shilon, I., Sikivie, P., Silva, H., ten Kate, H., Tomas, A., Troitsky, S., Vafeiadis, T., van Bibber, K., Vedrine, P., Villar, J.A., Walckiers, L., Weltman, A., Wester, W., Yildiz, S.C., and Zioutas, K.

Published
2015
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4. 宇宙線反粒子探索GAPS実験計画の現状報告

Author

HAILEY, C.J., BOEZIO, M., FUKE, Hideyuki, OGAWA, Hiroyuki, OKAZAKI, Shun, SAIJO, Masaru, TOKUNAGA, Sho, YAMATANI, Masahiro, YOSHIDA, Tetsuya, NAKAGAMI, Yusuke, WADA, Tetsuya, YOSHIDA, Atsumasa, IRIE, Yuka, KOMATSU, Akihiro, SHIMIZU, Yuki, SUZUKI, Shunsuke, KOZAI, Masayoshi, KATO, Chihiro, MUNAKATA, Kazuoki, KAWACHI, Akiko, KAWAMATA, Shusuke, KAWAMOTO, Yuki, NARA, Shotaro, OYAMA, Chiaki, SUZUKKI, Naoyasu, and TAKAHASHI, Shun

Abstract

大気球シンポジウム 2021年度（2021年11月1-2日. オンライン開催), Balloon Symposium 2021 (November 1-2, 2021. Online Meeting), 著者人数: 26名PDF再処理の為、2023年3月24日に差替, 資料番号: SA6000166027, レポート番号: isas21-sbs-027

Published
2021

5. An ultraluminous X-ray source powered by an accreting neutron star

Author

Bachetti, M., Harrison, F.A., Walton, D.J., Grefenstette, B.W., Chakrabarty, D., Furst, F., Barret, D., Beloborodov, A., Boggs, S.E., Christensen, F.E., Craig, W.W., Fabian, A.C., Hailey, C.J., Hornschemeier, A., Kaspi, V., Kulkarni, S.R., Maccarone, T., Miller, J.M., Rana, V., Stern, D., Tendulkar, S.P., Tomsick, J., Webb, N.A., and Zhang, W.W.

Subjects
Galaxies -- Observations, Galactic center -- Observations, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

The majority of ultraluminous X-ray sources are point sources that are spatially offset from the nuclei of nearby galaxies and whose X-ray luminosities exceed the theoretical maximum for spherical infall (the Eddington limit) onto stellar-mass black holes (1,2). Their X-ray luminosities in the 0.5-10 kiloelectronvolt energy band range from [10.sup.39] to [10.sup.41] ergs per second (3). Because higher masses imply less extreme ratios of the luminosity to the isotropic Eddington limit, theoretical models have focused on black hole rather than neutron star systems (1,2). The most challenging sources to explain are those at the luminous end of the range (more than [10.sub.40] ergs per second), which require black hole masses of 50-100 times the solar value or significant departures from the standard thin disk accretion that powers bright Galactic X-ray binaries, or both. Here we report broadband X-ray observations of the nuclear region of the galaxy M82 that reveal pulsations with an average period of 1.37 seconds and a 2.5-day sinusoidal modulation. The pulsations result from the rotation of a magnetized neutron star, and the modulation arises from its binary orbit. The pulsed flux alone corresponds to an X-ray luminosity in the 3-30 kiloelectronvolt range of 4.9 x [10.sup.39] ergs per second. The pulsating source is spatially coincident with a variable source (4) that can reach an X-ray luminosity in the 0.3-10 kiloelectronvolt range of 1.8 x [10.sup.40] ergs per second (1). This association implies a luminosity of about 100 times the Eddington limit for a 1.4-solar-mass object, or more than ten times brighter than any known accreting pulsar. This implies that neutron stars may not be rare in the ultraluminous X-ray population, and it challenges physical models for the accretion of matter onto magnetized compact objects., The brightest accretion-powered X-ray pulsars, A0538-66 (5), SMCX-1 (6) and GRO J1744-28 (7), are variable, with reported X-ray luminosities up to [L.sub.X] (2-20 keV) ≅ [10.sup.39] erg [s.sup.-1], which are [...]

Published
2014

6. Asymmetries in core-collapse supernovae from maps of radioactive [sup.44]Ti in Cassiopeia A

Author

Grefenstette, B.W., Harrison, F.A., Boggs, S.E., Reynolds, S.P., Fryer, C.L., Madsen, K.K., Wik, D.R., Zoglauer, A., Ellinger, C.I., Alexander, D.M., An, H., Barret, D., Christensen, F.E., Craig, W.W., Forster, K., Giommi, P., Hailey, C.J., Hornstrup, A., Kaspi, V.M., Kitaguchi, T., Koglin, J.E., Mao, P.H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M.J., Puccetti, S., Rana, V., Stern, D., Westergaard, N.J., and Zhang, W.W.

Subjects
Supernovae -- Natural history, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Asymmetry is required by most numerical simulations of stellar core-collapse explosions, but the form it takes differs significantly among models. The spatial distribution of radioactive [sup.44]Ti, synthesized in an exploding star near the boundary between material falling back onto the collapsing core and that ejected into the surrounding medium (1), directly probes the explosion asymmetries. Cassiopeia A is a young (2), nearby (3), core-collapse (4) remnant from which [sup.44]Ti emission has previously been detected (5-8) but not imaged. Asymmetries in the explosion have been indirectly inferred from a high ratio of observed [sup.44]Ti emission to estimated [sup.56]Ni emission (9), from optical light echoes (10), and from jet-like features seen in the X-ray (11) and optical (12) ejecta. Here we report spatial maps and spectral properties of the [sup.44]Ti in Cassiopeia A. This may explain the unexpected lack of correlation between the [sup.44]Ti and iron X-ray emission, the latter being visible only in shock-heated material. The observed spatial distribution rules out symmetric explosions even with a high level of convective mixing, as well as highly asymmetric bipolar explosions resulting from a fast-rotating progenitor. Instead, these observations provide strong evidence for the development of low-mode convective instabilities in core-collapse supernovae., Titanium-44 is produced in Si burning in the innermost regions of the material ejected in core-collapse supernovae, in the same processes that produce Fe and [56.sup]Ni (ref. 13). The decay [...]

Published
2014
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8. 宇宙線反粒子探索GAPS 実験計画の（特に日本チームの）現状報告

Author

Hailey, C.J., Perez, K., Fabris, L., Craig, W., Ong, R., Boggs, S., Doetinchem, P.v., Boezio, M., GAPS, collaboration, Fuke, Hideyuki, Kozai, Masayoshi, Ogawa, Hiroyuki, Okazaki, Shun, Sakimoto, Kazuhiro, Yoshida, Tetsuya, Konada, Takuya, Takeuchi, Shuto, Wada, Takuya, Yoshida, Atsumasa, Watanabe, Tsubasa, Shimizu, Yuki, Yamada, Noboru, Koike, Takahisa, Munakata, Kazuoki, Kato, Chihiro, Nagai, Hiroki, Kawachi, Akiko, Kondo, Manami, Miyazaki, Yousuke, Takahashi, Shun, and Inoue, Takayoshi

Abstract

大気球シンポジウム 平成30年度（2018年11月1-2日. 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)）, 相模原市, 神奈川県, Balloon Symposium 2018 (November 1-2, 2018. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 30名ほか, 資料番号: SA6000128007, レポート番号: isas18-sbs-007

Published
2018

9. A rapidly spinning supermassive black hole at the centre of NGC 1365

Author

Risaliti, G., Harrison, F.A., Madsen, K.K., Walton, D.J., Boggs, S.E., Christensen, F.E., Craig, W.W., Grefenstette, B.W., Hailey, C.J., Nardini, E., Stern, Daniel, and Zhang, W.W.

Subjects
Black holes (Astronomy) -- Observations, Spiral galaxies -- Observations -- Spectra, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Broad X-ray emission lines from neutral and partially ionized iron observed in active galaxies have been interpreted as fluorescence produced by the reflection of hard X-rays off the inner edge [...]

Published
2013
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12. 南極周回気球による宇宙線反粒子探索計画GAPS

Author

Boezio, M., Boggs, S., Doetinchem, P.v., Fabris, R., Hailey, C.J., Ong, R., Perez, K., Fuke, Hideyuki, Inoue, Takayoshi, Inoue, Takuya, Otsuka, Sohei, Okazaki, Shun, Ogawa, Hiroyuki, Kato, Chihiro, Kawachi, Akiko, Koike, T., Kozai, Masayoshi, Sakimoto, Kazuhiro, Shimizu, Yuki, Takahashi, Katsumasa, Takahashi, Shun, Takeuchi, Shuto, Daimaru, Takuro, Nagai, Daiki, Hashimoto, Takashi, Minoshima, Atsushi, Munakata, Kazuoki, Yamada, Noboru, Yoshida, Atsumasa, Yoshida, Tetsuya, Wada, Takuya, Doetinchem, P. v., and Hailey, C. J.

Abstract

第18回宇宙科学シンポジウム (2018年1月9日-10日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県, 18th Space Science Symposium (January 9-10, 2018. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan, 著者人数: 33名, 資料番号: SA6000118030, レポート番号: S9-001

Published
2018

13. Development of lithium-drifted silicon detectors for GAPS to survey primary cosmic-ray antiparticles

Author

Hailey, C.J., Perez, K., Fuke, Hideyuki, Kozai, Masayoshi, Shimizu, Yuki, Munakata, Kazuoki, and Kato, Chihiro

Abstract

大気球シンポジウム 平成29年度（2017年11月9-10日. 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)）, 相模原市, 神奈川県, Balloon Symposium 2017 (November 9-10, 2017. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 資料番号: SA6000103029, レポート番号: isas17-sbs-029

Published
2017

14. GAPSプロトタイプ気球実験「pGAPS」フライト報告

Author

福家, 英之, 坂東, 信尚, 小川, 博之, 岡崎, 峻, 柴野, 靖子, 莊司, 泰弘, 吉田, 哲也, 河内, 明子, 中村, 史彦, 小池, 貴久, 宮崎, 芳郎, 荒牧, 嗣夫, Gahbauer, F., Hailey, C.J., Koglin, J., Madden, N., 森, 嘉野, Perez, K., Stefanik, D., Tajiri, G., Boggs, S., Doetinchem, P.v., Hoberman, J., Christensen, F., Craig, W.W., Fabris, R., Ziock, K.P., Mognet, I., Ong, R. A., Zweerink, J., Fuke, Hideyuki, Bando, Nobutaka, Ogawa, Hiroyuki, Okazaki, Shun, Shoji, Yasuhiro, Yoshida, Tetsuya, Miyazaki, Yoshiro, 福家, 英之, 坂東, 信尚, 小川, 博之, 岡崎, 峻, 柴野, 靖子, 莊司, 泰弘, 吉田, 哲也, 河内, 明子, 中村, 史彦, 小池, 貴久, 宮崎, 芳郎, 荒牧, 嗣夫, Gahbauer, F., Hailey, C.J., Koglin, J., Madden, N., 森, 嘉野, Perez, K., Stefanik, D., Tajiri, G., Boggs, S., Doetinchem, P.v., Hoberman, J., Christensen, F., Craig, W.W., Fabris, R., Ziock, K.P., Mognet, I., Ong, R. A., Zweerink, J., Fuke, Hideyuki, Bando, Nobutaka, Ogawa, Hiroyuki, Okazaki, Shun, Shoji, Yasuhiro, Yoshida, Tetsuya, and Miyazaki, Yoshiro

Abstract

会議情報: 第13回宇宙科学シンポジウム (2013年1月8日-9日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県, 著者人数: 30名, Meeting Information: 13th Space Science Symposium (January 8-9, 2013. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan

Published
2018

15. 南極周回気球による宇宙線反粒子探索計画GAPS

Author

福家, 英之, 井上, 剛良, 井上, 拓哉, 大塚, 壮平, 岡崎, 峻, 小川, 博之, 加藤, 千尋, 河内, 明子, 小池, 貴久, 小財, 正義, 近藤, 愛美, 崎本, 一博, 清水, 雄輝, 高橋, 克征, 高橋, 俊, 竹内, 崇人, 大丸, 拓郎, 永井, 大樹, 橋本, 岳, 蓑島, 温志, 宗像, 一起, 山田, 昇, 吉田, 篤正, 吉田, 哲也, 渡邊, 翼, 和田, 拓也, Boezio, M., Boggs, S., Doetinchem, P.v., Fabris, R., Hailey, C.J., Ong, R., Perez, K., Fuke, Hideyuki, Inoue, Takayoshi, Inoue, Takuya, Otsuka, Sohei, Okazaki, Shun, Ogawa , Hiroyuki, Kato, Chihiro, Kawachi, Akiko, Koike, T., Kozai, Masayoshi, Sakimoto, Kazuhiro, Shimizu, Yuki, Takahashi, Katsumasa, Takahashi, Shun, Takeuchi, Shuto, Daimaru, Takuro, Nagai, Daiki, Hashimoto, Takashi, Minoshima, Atsushi, Munakata, Kazuoki, Yamada, Noboru, Yoshida, Atsumasa, Yoshida, Tetsuya, Wada, Takuya, Doetinchem, P. v., Hailey, C. J., 福家, 英之, 井上, 剛良, 井上, 拓哉, 大塚, 壮平, 岡崎, 峻, 小川, 博之, 加藤, 千尋, 河内, 明子, 小池, 貴久, 小財, 正義, 近藤, 愛美, 崎本, 一博, 清水, 雄輝, 高橋, 克征, 高橋, 俊, 竹内, 崇人, 大丸, 拓郎, 永井, 大樹, 橋本, 岳, 蓑島, 温志, 宗像, 一起, 山田, 昇, 吉田, 篤正, 吉田, 哲也, 渡邊, 翼, 和田, 拓也, Boezio, M., Boggs, S., Doetinchem, P.v., Fabris, R., Hailey, C.J., Ong, R., Perez, K., Fuke, Hideyuki, Inoue, Takayoshi, Inoue, Takuya, Otsuka, Sohei, Okazaki, Shun, Ogawa , Hiroyuki, Kato, Chihiro, Kawachi, Akiko, Koike, T., Kozai, Masayoshi, Sakimoto, Kazuhiro, Shimizu, Yuki, Takahashi, Katsumasa, Takahashi, Shun, Takeuchi, Shuto, Daimaru, Takuro, Nagai, Daiki, Hashimoto, Takashi, Minoshima, Atsushi, Munakata, Kazuoki, Yamada, Noboru, Yoshida, Atsumasa, Yoshida, Tetsuya, Wada, Takuya, Doetinchem, P. v., and Hailey, C. J.

Abstract

会議情報: 第18回宇宙科学シンポジウム (2018年1月9日-10日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県, 著者人数: 33名, Meeting Information: 18th Space Science Symposium (January 9-10, 2018. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan

Published
2018

16. Recent progress of the GAPS experiment

Author

Aramaki, T., Boggs, S., Craig, W. W., Doetinch, P.v., Fabris, R., Gahbauer, F., Hailey, C.J., Madden, N., Mognet, S.A.I, Mori, K., Ong, R., Perez, K., Ziock, K.P., Zweerink, J., Kozai, Masayoshi, Asao, Yoshito, Inoue, Takayoshi, Inoue, Takuya, Okazaki, Shun, Ogawa, Hiroyuki, Kato, Chihiro, Kawachi, Akiko, Koike, T., Sakimoto, Kazuhiro, Shimizu, Yuki, Takahashi, Katsumasa, Takahashi, Shun, Daimaru, Takuro, Nagai, Hiroki, Hashimoto, Takeshi, Fuke, Hideyuki, Munakata, Kazuoki, Yamada, Noboru, Yoshida, Atsumasa, Yoshida, Tetsuya, and Wada, Takuya

Abstract

大気球シンポジウム 平成28年度（2016年11月1-2日. 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)）, 相模原市, 神奈川県, Balloon Symposium 2016 (November 1-2, 2016. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 40名, 資料番号: SA6000057007, レポート番号: isas16-sbs-007

Published
2016

17. pGAPS気球実験における姿勢制御システムの概要と実験結果

Author

坂東, 信尚, 福家, 英之, 荘司, 泰弘, Doetinchem, P.v., Mognet, I., Hailey, C.J., 中村, 史彦, Bando, Nobunao, Fuke, Hideyuki, Shoji, Yasuhiro, 坂東, 信尚, 福家, 英之, 荘司, 泰弘, Doetinchem, P.v., Mognet, I., Hailey, C.J., 中村, 史彦, Bando, Nobunao, Fuke, Hideyuki, and Shoji, Yasuhiro

Abstract

会議情報: 大気球シンポジウム 平成24年度（2012年10月16-17日. 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)）, 相模原市, 神奈川県), Meeting Information: Balloon Symposium 2012 (October 16-17, 2012. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan

Published
2017

18. 南極周回気球による宇宙線反粒子探索計画GAPS の現状報告

Author

Hailey, C.J., Gahbauer, F., Madden, N., Boggs, S., Hoberman, J., Craig, W.W., Doetinchem, P.v., Fabris, R., Ziock, K.P., Mognet, S.A.I., Ong, R., Zweerink, J., Perez, K., Fuke, Hideyuki, Nonomura, Taku, Ogawa, Hiroyuki, Okazaki, Shun, Sakimoto, Kazuhiro, Yoshida, Tetsuya, Takahashi, Katsumasa, Yamada, Noboru, Daimaru, Takuro, Nagai, Hiroki, Inoue, Takayoshi, Hashimoto, Takeshi, Wada, Takuya, Yoshida, Atsumasa, Kawachi, Akiko, Takahashi, Shun, Kato, C., Munakata, Kazuoki, Koike, Takahisa, Shimizu, Yuki, Aramaki, Tsuguo, and Mori, Kaya

Abstract

大気球シンポジウム 平成27年度（2015年11月5-6日. 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)）, 相模原市, 神奈川県, Balloon Symposium 2015 (November 5-6, 2015. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan, 著者人数: 39名, 資料番号: SA6000044045, レポート番号: isas15-sbs-045

Published
2015

19. A soft X-ray spectral episode for the Clocked Burster, GS 1826-24 as measured by Swift and NuSTAR

Author

Chenevez, J., Galloway, D.K., in ’t Zand, J.J.M., Tomsick, J.A., Barret, D., Chakrabarty, D., Fürst, F., Boggs, S.E., Christensen, Finn Erland, Craig, W.W., Hailey, C.J., Harrison, F.A., Romano, P., Stern, D., Zhang, W.W., Chenevez, J., Galloway, D.K., in ’t Zand, J.J.M., Tomsick, J.A., Barret, D., Chakrabarty, D., Fürst, F., Boggs, S.E., Christensen, Finn Erland, Craig, W.W., Hailey, C.J., Harrison, F.A., Romano, P., Stern, D., and Zhang, W.W.

Abstract

We report on NuSTAR and Swift observations of a soft state of the neutron star low-mass X-ray binary GS 1826–24, commonly known as the "clocked" burster. The transition to the soft state was recorded in 2014 June through an increase of the 2–20 keV source intensity measured by MAXI, simultaneous with a decrease of the 15–50 keV intensity measured by Swift/BAT. The episode lasted approximately two months, after which the source returned to its usual hard state. We analyze the broadband spectrum measured by Swift/XRT and NuSTAR and estimate the accretion rate during the soft episode to be ≈ 13% mEdd within the range of previous observations. However, the best-fit spectral model, adopting the double Comptonization used previously, exhibits significantly softer components. We detect seven type-I X-ray bursts, all significantly weaker (and with shorter rise and decay times) than observed previously. The burst profiles and recurrence times vary significantly, ruling out the regular bursts that are typical for this source. One burst exhibited photospheric radius expansion and we estimate the source distance as (5.7 ±0.2) ξb-1/2kpc, where ξb parameterizes the possible anisotropy of the burst emission. The observed soft state may most likely be interpreted as a change in accretion geometry at about similar bolometric luminosity as in the hard state. The different burst behavior can therefore be attributed to this change in accretion flow geometry, but the fundamental cause and process for this effect remain unclear.

Published
2016

20. GAPSプロトタイプ気球実験データ解析

Author

福家, 英之, 坂東, 信尚, 小川, 博之, 岡崎, 峻, 柴野, 靖子, 莊司, 泰弘, 吉田, 哲也, 河内, 明子, 中村, 史彦, 小池, 貴久, 宮崎, 芳郎, 荒牧, 嗣夫, Gahbauer, F., Hailey, C.J., Koglin, J., Madden, N., 森, 嘉野, Perez, K., Stefanik, D., Tajiri, G., Boggs, S., Hoberman, J., Doetinchem, P.v., Christensen, F., Craig, W. W., Fabris, R., Ziock, K. P., Mognet, I., Ong, R., Zweerink, J., Fuke, Hideyuki, Bando, Nobutaka, Ogawa, Hiroyuki, Okazaki, Shun, Shibano, Yasuko, Shoji, Yasuhiro, Yoshida, Tetsuya, Kawachi, Akiko, Koike, T, Miyazaki, Yoshiro, Aramaki, Tsuguo, Mori, Kaya, 福家, 英之, 坂東, 信尚, 小川, 博之, 岡崎, 峻, 柴野, 靖子, 莊司, 泰弘, 吉田, 哲也, 河内, 明子, 中村, 史彦, 小池, 貴久, 宮崎, 芳郎, 荒牧, 嗣夫, Gahbauer, F., Hailey, C.J., Koglin, J., Madden, N., 森, 嘉野, Perez, K., Stefanik, D., Tajiri, G., Boggs, S., Hoberman, J., Doetinchem, P.v., Christensen, F., Craig, W. W., Fabris, R., Ziock, K. P., Mognet, I., Ong, R., Zweerink, J., Fuke, Hideyuki, Bando, Nobutaka, Ogawa, Hiroyuki, Okazaki, Shun, Shibano, Yasuko, Shoji, Yasuhiro, Yoshida, Tetsuya, Kawachi, Akiko, Koike, T, Miyazaki, Yoshiro, Aramaki, Tsuguo, and Mori, Kaya

Abstract

会議情報: 第14回宇宙科学シンポジウム (2014年1月9日-10日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県, 著者人数: 30名, Meeting Information: 14ｔh Space Science Symposium (January 9-10, 2014. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan

Published
2016

21. 南極周回気球による宇宙線反粒子探索実験GAPSの現状報告

Author

小財, 正義, 浅尾, 義士, 井上, 剛良, 井上, 拓哉, 大塚, 壮平, 岡崎, 峻, 小川, 博之, 加藤, 千尋, 河内, 明子, 小池, 貴久, 崎本, 一博, 清水, 雄輝, 高橋, 克征, 高橋, 俊, 大丸, 拓郎, 永井, 大樹, 橋本, 岳, 福家, 英之, 蓑島, 温志, 宗像, 一起, 山田, 昇, 吉住, 雄大, 吉田, 篤正, 吉田, 哲也, 渡邊, 翼, 和田, 拓也, Aramaki, T., Boggs, S., Craig, W. W., Doetinch, P.v., Fabris, R., Gahbauer, F., Hailey, C.J., Madden, N., Mognet, S.A.I, Mori, K., Ong, R., Perez, K., Ziock, K.P., Zweerink, J., Kozai, Masayoshi, Asao,Yoshito, Inoue, Takayoshi, Inoue, Takuya, Okazaki, Shun, Ogawa, Hiroyuki, Kato, Chihiro, Kawachi, Akiko, Koike, T., Sakimoto, Kazuhiro, Shimizu, Yuki, Takahashi, Katsumasa, Takahashi, Shun, Daimaru, Takuro, Nagai, Hiroki, Hashimoto, Takeshi, Fuke, Hideyuki, Munakata, Kazuoki, Yamada, Noboru, Yoshida, Atsumasa, Yoshida, Tetsuya, Wada, Takuya, 小財, 正義, 浅尾, 義士, 井上, 剛良, 井上, 拓哉, 大塚, 壮平, 岡崎, 峻, 小川, 博之, 加藤, 千尋, 河内, 明子, 小池, 貴久, 崎本, 一博, 清水, 雄輝, 高橋, 克征, 高橋, 俊, 大丸, 拓郎, 永井, 大樹, 橋本, 岳, 福家, 英之, 蓑島, 温志, 宗像, 一起, 山田, 昇, 吉住, 雄大, 吉田, 篤正, 吉田, 哲也, 渡邊, 翼, 和田, 拓也, Aramaki, T., Boggs, S., Craig, W. W., Doetinch, P.v., Fabris, R., Gahbauer, F., Hailey, C.J., Madden, N., Mognet, S.A.I, Mori, K., Ong, R., Perez, K., Ziock, K.P., Zweerink, J., Kozai, Masayoshi, Asao,Yoshito, Inoue, Takayoshi, Inoue, Takuya, Okazaki, Shun, Ogawa, Hiroyuki, Kato, Chihiro, Kawachi, Akiko, Koike, T., Sakimoto, Kazuhiro, Shimizu, Yuki, Takahashi, Katsumasa, Takahashi, Shun, Daimaru, Takuro, Nagai, Hiroki, Hashimoto, Takeshi, Fuke, Hideyuki, Munakata, Kazuoki, Yamada, Noboru, Yoshida, Atsumasa, Yoshida, Tetsuya, and Wada, Takuya

Abstract

会議情報: 大気球シンポジウム 平成28年度（2016年11月1-2日. 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS)）, 相模原市, 神奈川県, 著者人数: 40名, Meeting Information: Balloon Symposium 2016 (November 1-2, 2016. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan

Published
2016

22. 南極周回気球による宇宙線反粒子探索計画GAPS

Author

福家, 英之, 野々村, 拓, 小川, 博之, 岡崎, 峻, 田中, 結, 吉田, 哲也, 安部, 拓洋, 井上, 剛良, 松宮, 宏明, 依田, 悠太郎, 大丸, 拓郎, 永井, 大樹, 河内, 明子, 増山, 陽介, 清水, 憲政, 高橋, 俊, 小池, 貴久, 宮崎, 芳郎, 佐藤, 大輔, 高橋, 克征, 山田, 昇, 吉田, 貴則, Hailey, C.J., Boggs, S., W. W., Craig, Doetinchem, P. v., Fabris, R., Ong, R., Fuke, Hideyuki, Nonomura, Taku, Ogawa, Hiroyuki, Okazaki, Shun, Tanaka, Yui, Yoshida, Tetsuya, Abe, Takumi, Inoue, Takayoshi, Matsumiya, Hiroaki, Yoda, Yutaro, Daimaru, Takuro, Nagai, Hiroki, Kawachi, Akiko, Masuyama, Yousuke, Shimizu, Kensei, Takahashi, Shun, Koike, Takahisa, Miyazaki, Yoshiro, Sato, Daisuke, Takahashi, Katsumasa, Yamada, Noboru, Yoshida, Takanori, 福家, 英之, 野々村, 拓, 小川, 博之, 岡崎, 峻, 田中, 結, 吉田, 哲也, 安部, 拓洋, 井上, 剛良, 松宮, 宏明, 依田, 悠太郎, 大丸, 拓郎, 永井, 大樹, 河内, 明子, 増山, 陽介, 清水, 憲政, 高橋, 俊, 小池, 貴久, 宮崎, 芳郎, 佐藤, 大輔, 高橋, 克征, 山田, 昇, 吉田, 貴則, Hailey, C.J., Boggs, S., W. W., Craig, Doetinchem, P. v., Fabris, R., Ong, R., Fuke, Hideyuki, Nonomura, Taku, Ogawa, Hiroyuki, Okazaki, Shun, Tanaka, Yui, Yoshida, Tetsuya, Abe, Takumi, Inoue, Takayoshi, Matsumiya, Hiroaki, Yoda, Yutaro, Daimaru, Takuro, Nagai, Hiroki, Kawachi, Akiko, Masuyama, Yousuke, Shimizu, Kensei, Takahashi, Shun, Koike, Takahisa, Miyazaki, Yoshiro, Sato, Daisuke, Takahashi, Katsumasa, Yamada, Noboru, and Yoshida, Takanori

Abstract

会議情報: 第15回宇宙科学シンポジウム (2015年1月6日-7日. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)相模原キャンパス), 相模原市, 神奈川県, 著者人数: 28名, Meeting Information: 15th Space Science Symposium (January 6-7, 2015. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan

Published
2015

24. Calibration of a Hard X-ray telescope

Author

Koglin, J.E., Chen, C.M.H., Chonko, J., Christensen, Finn Erland, Craig, W.W., Decker, T.R., Gunderson, K.S., Hailey, C.J., Harrison, F.A., Jensen, C.P., Madsen, K.K., Stern, M., Windt, D.L., Yu, H., Ziegler, E., Koglin, J.E., Chen, C.M.H., Chonko, J., Christensen, Finn Erland, Craig, W.W., Decker, T.R., Gunderson, K.S., Hailey, C.J., Harrison, F.A., Jensen, C.P., Madsen, K.K., Stern, M., Windt, D.L., Yu, H., and Ziegler, E.

Published
2004

25. Production and calibration of the first HEFT hard x-ray optics module

Author

Koglin, J.E., Chen, C.M.H., Chonko, J., Christensen, Finn Erland, Craig, W.W., Decker, T.R., Gunderson, K.S., Hailey, C.J., Harrison, F.A., Jensen, C.P., Madsen, k.K., Stern, M., Windth, L., Yu, H., Ziegler, E., Koglin, J.E., Chen, C.M.H., Chonko, J., Christensen, Finn Erland, Craig, W.W., Decker, T.R., Gunderson, K.S., Hailey, C.J., Harrison, F.A., Jensen, C.P., Madsen, k.K., Stern, M., Windth, L., Yu, H., and Ziegler, E.

Published
2003

28. Thermal forming of glass microsheets for x-ray telescope mirror segments

Author

Jimenez-Garate, M.A., Hailey, C.J., Craig, W.W., Christensen, Finn Erland, Jimenez-Garate, M.A., Hailey, C.J., Craig, W.W., and Christensen, Finn Erland

Abstract

We describe a technology to mass-produce ultrathin mirror substrates for x-ray telescopes of near Wolter-I geometry. Thermal glass forming is a low-cost method to produce high-throughput, spaceborne x-ray mirrors for the 0.1-200-keV energy band. These substrates can provide the collecting area envisioned for future x-ray observatories. The glass microsheets are shaped into mirror segments at high temperature by use of a guiding mandrel, without polishing. We determine the physical properties and mechanisms that elucidate the formation process and that are crucial to improve surface quality. We develop a viscodynamic model for the glass strain as the forming proceeds to find the conditions for repeatability. Thermal forming preserves the x-ray reflectance and scattering properties of the raw glass. The imaging resolution is driven by a large wavelength figure. We discuss the sources of figure errors, and we calculate the relaxation time of surface ripples.

Published
2003

29. W/SiC x-ray multilayers optimized for use above 100 keV

Author

Windt, D.L., Donguy, S., Hailey, C.J., Koglin, J., Honkimaki, V., Ziegler, E., Christensen, Finn Erland, Chen, H., Harrison, F.A., Craig, W.W., Windt, D.L., Donguy, S., Hailey, C.J., Koglin, J., Honkimaki, V., Ziegler, E., Christensen, Finn Erland, Chen, H., Harrison, F.A., and Craig, W.W.

Abstract

We have developed a new depth-graded multilayer system comprising W and SiC layers, suitable for use as hard x-ray reflective coatings operating in the energy range 100-200 keV. Grazing-incidence x-ray reflectance at E = 8 keV was used to characterize the interface widths, as well as the temporal and thermal stability in both periodic and depth-graded W/SiC structures, whereas synchrotron radiation was used to measure the hard x-ray reflectance of a depth-graded multilayer designed specifically for use in, the range Esimilar to150-170 keV. We have modeled the hard x-ray reflectance using newly derived optical constants, which we determined from reflectance versus incidence angle measurements also made using synchrotron radiation, in the range E = 120-180 keV. We describe our experimental investigation in detail, compare the new W/SiC multilayers with both W/Si and W/B4C films that have been studied previously, and discuss the significance of these results with regard to the eventual development of a hard x-ray nuclear line telescope.

Published
2003

31. NuSTAR reveals the extreme properties of the super-Eddington accreting supermassive black hole in PG 1247+267

Author

Duncan Farrah, Franz E. Bauer, M. Cappi, W. N. Brandt, W. W. Zhang, Giorgio Lanzuisi, M. Dadina, Enrico Piconcelli, Fausto Vagnetti, Andrea Comastri, C. J. Hailey, William W. Craig, S. E. Boggs, Fiona A. Harrison, Giorgio Matt, Claudio Ricci, A. C. Fabian, Dom Walton, Andrea Marinucci, F. E. Christensen, Michele Perna, S. Puccetti, David R. Ballantyne, Alberto Masini, D. Stern, C. Vignali, Cristian Saez, B. Luo, Marcella Brusa, Lanzuisi, G., Perna, M., Comastri, A., Cappi, M., Dadina, M., Marinucci, Andrea, Masini, A., Matt, Giorgio, Vagnetti, F., Vignali, C., Ballantyne, D. R., Bauer, F. E., Boggs, S. E., Brandt, W. N., Brusa, M., Christensen, F. E., Craig, W. W., Fabian, A. C., Farrah, D., Hailey, C. J., Harrison, F. A., Luo, B., Piconcelli, E., Puccetti, S., Ricci, C., Saez, C., Stern, D., Walton, D. J., Zhang, W. W., Marinucci, A., Matt, G., Ballantyne, D.R., Bauer, F.E., Boggs, S.E., Brandt, W.N., Christensen, F.E., Craig, W.W., Fabian, A.C., Hailey, C.J., Harrison, F.A., Walton, D.J., and Zhang, W.W.

Subjects
Accretion, active [Galaxies], Astrophysics::High Energy Astrophysical Phenomena, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Power law, Relativistic disk, Quasars: individual: PG 1247+267, Accretion, accretion disk, Settore FIS/05 - Astronomia e Astrofisica, individual: PG 1247+267 [Quasars], Ionization, 0103 physical sciences, Cutoff, Emission spectrum, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Galaxies: nuclei, Physics, 010308 nuclear & particles physics, Astronomy and Astrophysics, Quasar, Plasma, Galaxies: active, Astronomy and Astrophysic, Redshift, Space and Planetary Science, nuclei [Galaxies], Accretion disks
Abstract

PG1247+267 is one of the most luminous known quasars at z similar to 2 and is a strongly super-Eddington accreting supermassive black hole (SMBH) candidate. We obtained NuSTAR data of this intriguing source in December 2014 with the aim of studying its high-energy emission, leveraging the broad band covered by the new NuSTAR and the archival XMM-Newton data. Several measurements are in agreement with the super-Eddington scenario for PG1247+267: the soft power law (Gamma = 2.3 +/- 0.1); the weak ionized Fe emission line; and a hint of the presence of outflowing ionized gas surrounding the SMBH. The presence of an extreme reflection component is instead at odds with the high accretion rate proposed for this quasar. This can be explained with three different scenarios; all of them are in good agreement with the existing data, but imply very different conclusions: i) a variable primary power law observed in a low state, superimposed on a reflection component echoing a past, higher flux state; ii) a power law continuum obscured by an ionized, Compton thick, partial covering absorber; and iii) a relativistic disk reflector in a lamp-post geometry, with low coronal height and high BH spin. The first model is able to explain the high reflection component in terms of variability. The second does not require any reflection to reproduce the hard emission, while a rather low high-energy cutoff of similar to 100 keV is detected for the first time in such a high redshift source. The third model require a face-on geometry, which may affect the SMBH mass and Eddington ratio measurements. Deeper X-ray broad-band data are required in order to distinguish between these possibilities.

Published
2016

32. The Phoenix galaxy as seen by NuSTAR

Author

Stephanie M. LaMassa, Matteo Guainazzi, Fiona A. Harrison, Dominic J. Walton, Walter Craig, C. J. Hailey, Michael Koss, S. E. Boggs, Daniel Stern, Andrea Comastri, Franz E. Bauer, Finn Erland Christensen, Claudio Ricci, M. Brightman, Mislav Baloković, Duncan Farrah, Simonetta Puccetti, P. G. Boorman, William W. Zhang, Poshak Gandhi, Alberto Masini, Masini, A., Comastri, A., Puccetti, S., Baloković, M., Gandhi, P., Guainazzi, M., Bauer, F.E., Boggs, S.E., Boorman, P.G., Brightman, M., Christensen, F.E., Craig, W.W., Farrah, D., Hailey, C.J., Harrison, F.A., Koss, M.J., Lamassa, S.M., Ricci, C., Stern, D., Walton, D.J., and Zhang, W.W.

Subjects
Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Seyfert [Galaxies], active [Galaxies], biology, 010308 nuclear & particles physics, galaxies: active, Flux, FOS: Physical sciences, Astronomy and Astrophysics, Context (language use), Astrophysics, Astronomy and Astrophysic, biology.organism_classification, 01 natural sciences, Galaxy, galaxies: Seyfert, galaxies [X-rays], X-rays: galaxies, Space and Planetary Science, 0103 physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Phoenix, 010303 astronomy & astrophysics, X-rays: galaxie
Abstract

著者人数: 21名, Accepted: 2016-09-01, 資料番号: SA1160316000

Published
2016
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33. NuSTAR reveals extreme absorption in z < 0.5 Type 2 quasars

Author

Finn Erland Christensen, Fiona A. Harrison, C. J. Hailey, Franz E. Bauer, A. Del Moro, Francesca Civano, James Aird, Roberto J. Assef, Birong Luo, Brian W. Grefenstette, Daniel Stern, Michael Koss, David M. Alexander, L. Zappacosta, Stephanie M. LaMassa, A. Annuar, Simonetta Puccetti, Ryan C. Hickox, M. Brightman, Andrea Comastri, S. E. Boggs, George B. Lansbury, William W. Craig, Poshak Gandhi, William W. Zhang, Mislav Baloković, W. N. Brandt, Ezequiel Treister, David R. Ballantyne, Cristian Vignali, Lansbury, G.B., Gandhi, P., Alexander, D.M., Assef, R.J., Aird, J., Annuar, A., Ballantyne, D.R., Baloković, M., Bauer, F.E., Boggs, S.E., Brandt, W.N., Brightman, M., Christensen, F.E., Civano, F., Comastri, A., Craig, W.W., Del Moro, A., Grefenstette, B.W., Hailey, C.J., Harrison, F.A., Hickox, R.C., Koss, M., Lamassa, S.M., Luo, B., Puccetti, S., Stern, D., Treister, E., Vignali, C., Zappacosta, L., Zhang, W.W., ITA, and USA

Subjects
Physics, education.field_of_study, active [Galaxies], 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Population, galaxies: active, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy and Astrophysics, Quasar, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Type (model theory), 01 natural sciences, Astrophysics - Astrophysics of Galaxies, Redshift, galaxies [X-rays], X-rays: galaxies, Space and Planetary Science, 0103 physical sciences, Source counts, Absorption (electromagnetic radiation), education, Astrophysics - High Energy Astrophysical Phenomena, 010303 astronomy & astrophysics
Abstract

The intrinsic column density (NH) distribution of quasars is poorly known. At the high obscuration end of the quasar population and for redshifts z 1.5e24 cm^-2) type 2 quasars (CTQSO2s); five new NuSTAR observations are reported herein, and four have been previously published. The candidate CTQSO2s lie at z~ 90 net source counts at 8-24 keV). For these NuSTAR-detected sources direct (i.e., X-ray spectral) constraints on the intrinsic AGN properties are feasible, and we measure column densities ~2.5-1600 times higher and intrinsic (unabsorbed) X-ray luminosities ~10-70 times higher than pre-NuSTAR constraints from Chandra and XMM-Newton. Assuming the NuSTAR-detected type 2 quasars are representative of other Compton-thick candidates, we make a correction to the NH distribution for optically selected type 2 quasars as measured by Chandra and XMM-Newton for 39 objects. With this approach, we predict a Compton-thick fraction of f_CT = 36^{+14}_{-12} %, although higher fractions (up to 76%) are possible if indirect absorption diagnostics are assumed to be reliable., Comment: 19 pages, 13 figures, 5 tables. Accepted for publication in ApJ

Published
2015

34. NuSTAR J033202-2746.8: direct constraints on the Compton reflection in a heavily obscured quasar at z~2

Author

Piero Ranalli, Simonetta Puccetti, James Aird, Meg Urry, Stephanie M. LaMassa, S. E. Boggs, David M. Alexander, Fiona A. Harrison, C. J. Hailey, George B. Lansbury, William W. Zhang, Francesca Civano, Andrea Comastri, Finn Erland Christensen, James Mullaney, W. N. Brandt, William W. Craig, Mislav Baloković, Daniel Stern, Poshak Gandhi, Ryan C. Hickox, Birong Luo, A. Del Moro, David R. Ballantyne, Cristian Vignali, Ezequiel Treister, Roberto Gilli, Franz E. Bauer, Del Moro A., Mullaney J.R., Alexander D.M., Comastri A., Bauer F.E., Treister E., Stern D., Civano F., Ranalli P., Vignali C., Aird J.A., Ballantyne D., Balokovic M., Boggs S.E., Brandt W.N., Christensen S.E., Craig W.W., Gandhi P., Gilli R., Hailey C.J., Harrison F.A., Hickox R.C., LaMassa S.M., Lansbury G.B., Luo B., Puccetti S., Urry M., and Zhang W.W.

Subjects
Cosmology and Nongalactic Astrophysics (astro-ph.CO), Spectral shape analysis, active [Galaxies], 010504 meteorology & atmospheric sciences, Astrophysics::High Energy Astrophysical Phenomena, Population, galaxies: active, General [quasars], FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Luminosity, Galaxies [infrared], quasars: individual (NuSTAR J033202-2746.8), quasars: general, X-rays, 0103 physical sciences, Spectral slope, individual (NuSTAR J033202-2746.8) [quasars], Spectroscopy, education, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, 0105 earth and related environmental sciences, Physics, education.field_of_study, infrared: galaxie, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy and Astrophysics, Quasar, Astrophysics - Astrophysics of Galaxies, Redshift, X-rays: galaxies, K-edge, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We report NuSTAR observations of NuSTAR J033202-2746.8, a heavily obscured, radio-loud quasar detected in the Extended Chandra Deep Field-South, the deepest layer of the NuSTAR extragalactic survey (~400 ks, at its deepest). NuSTAR J033202-2746.8 is reliably detected by NuSTAR only at E>8 keV and has a very flat spectral slope in the NuSTAR energy band (Gamma=0.55^{+0.62}_{-0.64}; 3-30 keV). Combining the NuSTAR data with extremely deep observations by Chandra and XMM-Newton (4 Ms and 3 Ms, respectively), we constrain the broad-band X-ray spectrum of NuSTAR J033202-2746.8, indicating that this source is a heavily obscured quasar (N_H=5.6^{+0.9}_{-0.8}x10^23 cm^-2) with luminosity L_{10-40 keV}~6.4x10^44 erg s^-1. Although existing optical and near-infrared (near-IR) data, as well as follow-up spectroscopy with the Keck and VLT telescopes, failed to provide a secure redshift identification for NuSTAR J033202-2746.8, we reliably constrain the redshift z=2.00+/-0.04 from the X-ray spectral features (primarily from the iron K edge). The NuSTAR spectrum shows a significant reflection component (R=0.55^{+0.44}_{-0.37}), which was not constrained by previous analyses of Chandra and XMM-Newton data alone. The measured reflection fraction is higher than the R~0 typically observed in bright radio-loud quasars such as NuSTAR J033202-2746.8, which has L_{1.4 GHz}~10^27 W Hz^-1. Constraining the spectral shape of AGN, including bright quasars, is very important for understanding the AGN population, and can have a strong impact on the modeling of the X-ray background. Our results show the importance of NuSTAR in investigating the broad-band spectral properties of quasars out to high redshift., 13 pages, 5 figures; accepted for publication in ApJ

Published
2014

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