XRISM Spectroscopy of the Fe Kα Emission Line in the Seyfert Active Galactic Nucleus NGC 4151 Reveals the Disk, Broad-line Region, and Torus

Autor: XRISM Collaboration, Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Teruaki Enoto, Satoshi Eguchi, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A. García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D. Miller, Jon M. Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick S. Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J. Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Xin Xiang, Takeo Minezaki, Margaret Buhariwalla, Dimitra Gerolymatou, Scott Hagen

Publikováno v: The Astrophysical Journal Letters, Vol 973, Iss 1, p L25 (2024)

We present an analysis of the first two XRISM/Resolve spectra of the well-known Seyfert-1.5 active galactic nucleus (AGN) in NGC 4151, obtained in 2023 December. Our work focuses on the nature of the narrow Fe K _α emission line at 6.4 keV, the stro

Externí odkaz: https://doaj.org/article/5d83f682f7f5495191f4acac34927e55

RGB Image Prioritization Using Convolutional Neural Network on a Microprocessor for Nanosatellites

Autor: Ji Hyun Park, Takaya Inamori, Ryuhei Hamaguchi, Kensuke Otsuki, Jung Eun Kim, Kazutaka Yamaoka

Publikováno v: Remote Sensing, Vol 12, Iss 23, p 3941 (2020)

Nanosatellites are being widely used in various missions, including remote sensing applications. However, the difficulty lies in mission operation due to downlink speed limitation in nanosatellites. Considering the global cloud fraction of 67%, retri

Externí odkaz: https://doaj.org/article/0b49a76228754bfb894c399ed147aa78

Simultaneous Radio and Optical Polarimetry of GRB 191221B Afterglow

Autor: Yuji Urata, Kenji Toma, Stefano Covino, Klaas Wiersema, Kuiyun Huang, Jiro Shimoda, Asuka Kuwata, Sota Nagao, Keiichi Asada, Hiroshi Nagai, Satoko Takahashi, Chao-En Chung, Glen Petitpas, Kazutaka Yamaoka, Luca Izzo, Johan Fynbo, Antonio de Ugarte Postigo, Maryam Arabsalmani, Makoto Tashiro

Gamma-ray bursts (GRBs) are the most luminous transients in the universe and are utilized as probes of early stars, gravitational wave counterparts, and collisionless shock physics. In spite of studies on polarimetry of GRBs in individual wavelengths

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4c8abb02b2f14d5ceff72794f7dec53

Investigating the Vela SNR's Emission of Electron Cosmic Rays with CALET at the International Space Station

Autor: John F. Krizmanic, A. Sulaj, S. Miyake, P. Spillantini, Holger Motz, Y. Katayose, M. Takita, S. Sugita, Ryuho Kataoka, K. Kobayashi, W.V. Zober, O. Adriani, K. Ebisawa, Y. Tsunesada, Gabriele Bigongiari, Kazutaka Yamaoka, Kunihito Ioka, Eugenio Berti, A. Yoshida, J. P. Wefel, L. Pacini, J. F. Ormes, Michael Cherry, T. Sakamoto, A. A. Moiseev, M. Ichimura, Jason Link, Shoji Torii, A.W. Ficklin, Jun Kataoka, Yoichi Asaoka, Masaki Mori, Katsuaki Asano, Thomas Hams, S. Ozawa, P. S. Marrocchesi, John Mitchell, Jun Nishimura, Sandro Gonzi, Y. Akaike, M. H. Israel, F. Stolzi, Henric Krawczynski, Y. Shimizu, N. Ospina, H. Fuke, Paolo Brogi, K. Sakai, Chihiro Kato, Kazunori Kohri, M. Bongi, S. Okuno, A. Shiomi, N. Mori, Y. Uchihori, N. Cannady, K. Hibino, W. R. Binns, T. Tamura, M. Sasaki, G. Castellini, G. Collazuol, K. Kasahara, T. G. Guzik, J. H. Buckley, Shohei Yanagita, Satoshi Nakahira, Y. Kawakubo, A. Bruno, W. Ishizaki, Alberto Messineo, C. Checchia, S. B. Ricciarini, Kazuoki Munakata, P. Papini, E. Vannuccini, Toshio Terasawa, Kenji Yoshida, Paolo Maestro, G. A. de Nolfo, Norita Kawanaka, Brian Rauch

Publikováno v: Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021).

The ISS-based Calorimetric Electron Telescope (CALET) is directly measuring the energy spec- trum of electron+positron cosmic rays up to 20 TeV. Cosmic-ray electrons of TeV region energy are limited by energy loss to a propagation range of about 1 kp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bfdd7fe5adbc8a5646657c080b5a139f
https://doi.org/10.22323/1.395.0100

Measurement of the Iron Spectrum in Cosmic Rays from 10 GeV/n to 2.0 TeV/n with the Calorimetric Electron Telescope on the International Space Station

Autor: Toshio Terasawa, Kazunori Kohri, Yoichi Asaoka, A. Bruno, Katsuaki Asano, Masato Takita, W. Ishizaki, Alberto Messineo, K. Kobayashi, Y. Shimizu, Kazutaka Yamaoka, M. Bongi, Paolo Maestro, Y. Tsunesada, Gabriele Bigongiari, Eugenio Berti, A. Yoshida, Satoshi Sugita, Ryuho Kataoka, N. Ospina, J. Link, A. A. Moiseev, Y. Kawakubo, Henric Krawczynski, F. Stolzi, Norita Kawanaka, Chihiro Kato, M. Sasaki, Kenji Yoshida, H. Fuke, Paolo Brogi, S. Ozawa, G. Castellini, O. Adriani, Shohei Yanagita, J. F. Ormes, Shoji Torii, Katsuaki Kasahara, Brian Rauch, Kunihito Ioka, Satoshi Nakahira, T. Tamura, K. Ebisawa, K. Hibino, W. R. Binns, Sandro Gonzi, M. Ichimura, S. Okuno, S. Miyake, M. H. Israel, Y. Katayose, P. Spillantini, Michael Cherry, J. P. Wefel, Yosui Akaike, Masaki Mori, C. Checchia, John Mitchell, Jun Kataoka, T. Sakamoto, Jun Nishimura, A. Shiomi, K. Sakai, Kazuoki Munakata, P. S. Marrocchesi, John F. Krizmanic, A. Sulaj, G. Collazuol, G. A. de Nolfo, N. Cannady, N. Mori, Y. Uchihori, Holger Motz, T. G. Guzik, J. H. Buckley, L. Pacini, S. B. Ricciarini, T. Hams, P. Papini, E. Vannuccini

Publikováno v: Physical Review Letters. 126

The Calorimetric Electron Telescope (CALET), in operation on the International Space Station since 2015, collected a large sample of cosmic-ray iron over a wide energy interval. In this Letter a measurement of the iron spectrum is presented in the ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80908b69e576494076270399327c374f
https://doi.org/10.1103/physrevlett.126.241101