Zobrazeno 1 - 10
of 338
pro vyhledávání: '"Yatsu , Yoichi"'
Autor:
Niwano, Masafumi, Fausnaugh, Michael M., Lau, Ryan M., De, Kishalay, Soria, Roberto, Ricker, George R., Vanderspek, Roland, Ashley, Michael C. B., Earley, Nicholas, Hankins, Matthew J., Kasliwal, Mansi M., Moore, Anna M., Soon, Jamie, Travouillon, Tony, Sasada, Mahito, Takahashi, Ichiro, Yatsu, Yoichi, Kawai, Nobuyuki
The mechanism of X-ray outbursts in Be X-ray binaries remains a mystery, and understanding their circumstellar disks is crucial for a solution of the mass-transfer problem. In particular, it is important to identify the Be star activities (e.g., puls
Externí odkaz:
http://arxiv.org/abs/2409.09581
Autor:
Ogino, Naoki, Arimoto, Makoto, Sawano, Tatsuya, Yonetoku, Daisuke, Shen, Hsien-chieh, Sakamoto, Takanori, Hiraga, Junko S., Yatsu, Yoichi, Mihara, Tatehiro
We developed an FPGA-based high-speed readout system for a complementary metal-oxide-semiconductor (CMOS) image sensor to observe soft X-ray transients in future satellite missions, such as HiZ-GUNDAM. Our previous research revealed that the CMOS ima
Externí odkaz:
http://arxiv.org/abs/2403.10409
We analyzed optical/X-ray quasi-simultaneous light curves of Aql X-1, obtained by MAXI (Monitor of All-sky X-ray Image), ZTF (Zwicky Transient Facility) and LCO (Las Cumbres Observatory) in about 3.6 years from 2016, for understanding electromagnetic
Externí odkaz:
http://arxiv.org/abs/2308.11438
Autor:
Mori, Koji, Tsuru, Takeshi G., Nakazawa, Kazuhiro, Ueda, Yoshihiro, Watanabe, Shin, Tanaka, Takaaki, Ishida, Manabu, Matsumoto, Hironori, Awaki, Hisamitsu, Murakami, Hiroshi, Nobukawa, Masayoshi, Takeda, Ayaki, Fukazawa, Yasushi, Tsunemi, Hiroshi, Takahashi, Tadayuki, Hornschemeier, Ann, Okajima, Takashi, Zhang, William W., Williams, Brian J., Venters, Tonia, Madsen, Kristin, Yukita, Mihoko, Akamatsu, Hiroki, Bamba, Aya, Enoto, Teruaki, Fujita, Yutaka, Furuzawa, Akihiro, Hagino, Kouichi, Ishimura, Kosei, Itoh, Masayuki, Kitayama, Tetsu, Kobayashi, Shogo, Kohmura, Takayoshi, Kubota, Aya, Mizumoto, Misaki, Mizuno, Tsunefumi, Nakajima, Hiroshi, Nobukawa, Kumiko K., Noda, Hirofumi, Odaka, Hirokazu, Ota, Naomi, Sato, Toshiki, Shidatsu, Megumi, Suzuki, Hiromasa, Takahashi, Hiromitsu, Tanimoto, Atsushi, Terada, Yukikatsu, Terashima, Yuichi, Uchida, Hiroyuki, Uchiyama, Yasunobu, Yamaguchi, Hiroya, Yatsu, Yoichi
Publikováno v:
Proc. of SPIE vol. 12181, 1218122 (2022)
In this multi-messenger astronomy era, all the observational probes are improving their sensitivities and overall performance. The Focusing on Relativistic universe and Cosmic Evolution (FORCE) mission, the product of a JAXA/NASA collaboration, will
Externí odkaz:
http://arxiv.org/abs/2303.07577
Autor:
Sasada, Mahito, Utsumi, Yousuke, Itoh, Ryosuke, Tominaga, Nozomu, Tanaka, Masaomi, Morokuma, Tomoki, Yanagisawa, Kenshi, Kawabata, Koji S., Ohgami, Takayuki, Yoshida, Michitoshi, Abe, Fumio, Adachi, Ryo, Akitaya, Hiroshi, Chong, Yang, Daikuhara, Kazuki, Hamasaki, Ryo, Honda, Satoshi, Hosokawa, Ryohei, Iida, Kota, Imazato, Fumiya, Ishioka, Chihiro, Iwasaki, Takumi, Jian, Mingjie, Kamei, Yuhei, Kanai, Takahiro, Kaneda, Hidehiro, Kaneko, Ayane, Katoh, Noriyuki, Kawai, Nobuyuki, Kubota, Keiichiro, Kubota, Yuma, Mamiya, Hideo, Matsubayashi, Kazuya, Morihana, Kumiko, Murata, Katsuhiro L., Nagayama, Takahiro, Nakamura, Noriatsu, Nakaoka, Tatsuya, Niino, Yuu, Nishinaka, Yuki, Niwano, Masafumi, Nogami, Daisaku, Oasa, Yumiko, Oeda, Miki, Ogawa, Futa, Ohsawa, Ryou, Ohta, Kouji, Oide, Kohei, Onozato, Hiroki, Sako, Shigeyuki, Saito, Tomoki, Sekiguchi, Yuichiro, Shigeyama, Toshikazu, Shigeyoshi, Takumi, Shikauchi, Minori, Shiraishi, Kazuki, Suzuki, Daisuke, Takagi, Kengo, Takahashi, Jun, Takarada, Takuya, Takayama, Masaki, Takeuchi, Himeka, Tamura, Yasuki, Tanaka, Ryoya, Toma, Sayaka, Tozuka, Miyako, Uchida, Nagomi, Uzawa, Yoshinori, Yamanaka, Masayuki, Yasuda, Moeno, Yatsu, Yoichi
The Laser Interferometer Gravitational-wave Observatory Scientific Collaboration and Virgo Collaboration (LVC) sent out 56 gravitational-wave (GW) notices during the third observing run (O3). Japanese collaboration for Gravitational wave ElectroMagne
Externí odkaz:
http://arxiv.org/abs/2106.04842
Autor:
Hagino, Kouichi, Odaka, Hirokazu, Sato, Goro, Sato, Tamotsu, Suzuki, Hiromasa, Mizuno, Tsunefumi, Kawaharada, Madoka, Ohno, Masanori, Nakazawa, Kazuhiro, Kobayashi, Shogo B., Murakami, Hiroaki, Miyake, Katsuma, Asai, Makoto, Koi, Tatsumi, Madejski, Greg, Saito, Shinya, Wright, Dennis H., Enoto, Teruaki, Fukazawa, Yasushi, Hayashi, Katsuhiro, Kataoka, Jun, Katsuta, Junichiro, Kokubun, Motohide, Laurent, Philippe, Lebrun, Francois, Limousin, Olivier, Maier, Daniel, Makishima, Kazuo, Mori, Kunishiro, Nakamori, Takeshi, Nakano, Toshio, Noda, Hirofumi, Ohta, Masayuki, Sato, Rie, Tajima, Hiroyasu, Takahashi, Hiromitsu, Takahashi, Tadayuki, Takeda, Shin'ichiro, Tanaka, Takaaki, Terada, Yukikatsu, Uchiyama, Hideki, Uchiyama, Yasunobu, Watanabe, Shin, Yamaoka, Kazutaka, Yatsu, Yoichi, Yuasa, Takayuki
Understanding and reducing the in-orbit instrumental backgrounds are essential to achieving high sensitivity in hard X-ray astronomical observations. The observational data of the Hard X-ray Imager (HXI) on board the Hitomi satellite provides useful
Externí odkaz:
http://arxiv.org/abs/2011.10317
Autor:
Coughlin, Michael W., Ahumada, Tomás, Anand, Shreya, De, Kishalay, Hankins, Matthew J., Kasliwal, Mansi M., Singer, Leo P., Bellm, Eric C., Andreoni, Igor, Cenko, S. Bradley, Cooke, Jeff, Copperwheat, Christopher M., Dugas, Alison M., Jencson, Jacob E., Perley, Daniel A., Yu, Po-Chieh, Bhalerao, Varun, Kumar, Harsh, Bloom, Joshua S., Anupama, G. C., Ashley, Michael C. B., Bagdasaryan, Ashot, Biswas, Rahul, Buckley, David A. H., Burdge, Kevin B., Cook, David O., Cromer, John, Cunningham, Virginia, D'Aì, Antonino, Dekany, Richard G., Delacroix, Alexandre, Dichiara, Simone, Duev, Dmitry A., Dutta, Anirban, Feeney, Michael, Frederick, Sara, Gatkine, Pradip, Ghosh, Shaon, Goldstein, Daniel A., Golkhou, V. Zach, Goobar, Ariel, Graham, Matthew J., Hanayama, Hidekazu, Horiuchi, Takashi, Hung, Tiara, Jha, Saurabh W., Kong, Albert K. H., Giomi, Matteo, Kaplan, David L., Karambelkar, V. R., Kowalski, Marek, Kulkarni, Shrinivas R., Kupfer, Thomas, La Parola, Valentina, Masci, Frank J., Mazzali, Paolo, Moore, Anna M., Mogotsi, Moses, Neill, James D., Ngeow, Chow-Choong, Martínez-Palomera, Jorge, Pavana, M., Ofek, Eran O., Patil, Atharva Sunil, Riddle, Reed, Rigault, Mickael, Rusholme, Ben, Serabyn, Eugene, Shupe, David L., Sharma, Yashvi, Sollerman, Jesper, Soon, Jamie, Staats, Kai, Taggart, Kirsty, Tan, Hanjie, Travouillon, Tony, Troja, Eleonora, Waratkar, Gaurav, Yatsu, Yoichi
The third observing run by LVC has brought the discovery of many compact binary coalescences. Following the detection of the first binary neutron star merger in this run (LIGO/Virgo S190425z), we performed a dedicated follow-up campaign with the Zwic
Externí odkaz:
http://arxiv.org/abs/1907.12645
Autor:
Shidatsu, Megumi, Nakahira, Satoshi, Yamada, Satoshi, Kawamuro, Taiki, Ueda, Yoshihiro, Negoro, Hitoshi, Murata, Katsuhiro L., Itoh, Ryosuke, Tachibana, Yutaro, Adachi, Ryo, Yatsu, Yoichi, Kawai, Nobuyuki, Hanayama, Hidekazu, Horiuchi, Takashi, Akitaya, Hiroshi, Saito, Tomoki, Takayama, Masaki, Ohshima, Tomohito, Katoh, Noriyuki, Takahashi, Jun, Nagayama, Takahiro, Yamanaka, Masayuki, Kawabata, Miho, Nakaoka, Tatsuya, Takagi, Seiko, Morokuma, Tomoki, Morihana, Kumiko, Maehara, Hiroyuki, Sekiguchi, Kazuhiro
We report X-ray, optical, and near-infrared monitoring of the new X-ray transient MAXI J1820$+$070 discovered with MAXI on 2018 March 11. Its X-ray intensity reached $\sim 2$ Crab in 2--20 keV at the end of March, and then gradually decreased until t
Externí odkaz:
http://arxiv.org/abs/1810.11222
Autor:
Hitomi Collaboration, Aharonian, Felix, Akamatsu, Hiroki, Akimoto, Fumie, Allen, Steven W., Angelini, Lorella, Audard, Marc, Awaki, Hisamitsu, Axelsson, Magnus, Bamba, Aya, Bautz, Marshall W., Blandford, Roger, Brenneman, Laura W., Brown, Gregory V., Bulbul, Esra, Cackett, Edward M., Chernyakova, Maria, Chiao, Meng P., Coppi, Paolo S., Costantini, Elisa, de Plaa, Jelle, de Vries, Cor P., Herder, Jan-Willem den, Done, Chris, Dotani, Tadayasu, Ebisawa, Ken, Eckart, Megan E., Enoto, Teruaki, Ezoe, Yuichiro, Fabian, Andrew C., Ferrigno, Carlo, Foster, Adam R., Fujimoto, Ryuichi, Fukazawa, Yasushi, Furuzawa, Akihiro, Galeazzi, Massimiliano, Gallo, Luigi C., Gandhi, Poshak, Giustini, Margherita, Goldwurm, Andrea, Gu, Liyi, Guainazzi, Matteo, Haba, Yoshito, Hagino, Kouichi, Hamaguchi, Kenji, Harrus, Ilana M., Hatsukade, Isamu, Hayashi, Katsuhiro, Hayashi, Takayuki, Hayashida, Kiyoshi, Hiraga, Junko S., Hornschemeier, Ann, Hoshino, Akio, Hughes, John P., Ichinohe, Yuto, Iizuka, Ryo, Inoue, Hajime, Inoue, Yoshiyuki, Ishida, Manabu, Ishikawa, Kumi, Ishisaki, Yoshitaka, Iwai, Masachika, Kaastra, Jelle, Kallman, Tim, Kamae, Tsuneyoshi, Kataoka, Jun, Katsuda, Satoru, Kawai, Nobuyuki, Kelley, Richard L., Kilbourne, Caroline A., Kitaguchi, Takao, Kitamoto, Shunji, Kitayama, Tetsu, Kohmura, Takayoshi, Kokubun, Motohide, Koyama, Katsuji, Koyama, Shu, Kretschmar, Peter, Krimm, Hans A., Kubota, Aya, Kunieda, Hideyo, Laurent, Philippe, Lee, Shiu-Hang, Leutenegger, Maurice A., Limousin, Olivier, Loewenstein, Michael, Long, Knox S., Lumb, David, Madejski, Greg, Maeda, Yoshitomo, Maier, Daniel, Makishima, Kazuo, Markevitch, Maxim, Matsumoto, Hironori, Matsushita, Kyoko, McCammon, Dan, McNamara, Brian R., Mehdipour, Missagh, Miller, Eric D., Miller, Jon M., Mineshige, Shin, Mitsuda, Kazuhisa, Mitsuishi, Ikuyuki, Miyazawa, Takuya, Mizuno, Tsunefumi, Mori, Hideyuki, Mori, Koji, Mukai, Koji, Murakami, Hiroshi, Mushotzky, Richard F., Nakagawa, Takao, Nakajima, Hiroshi, Nakamori, Takeshi, Nakashima, Shinya, Nakazawa, Kazuhiro, Nobukawa, Kumiko K., Nobukawa, Masayoshi, Noda, Hirofumi, Odaka, Hirokazu, Ohashi, Takaya, Ohno, Masanori, Okajima, Takashi, Ota, Naomi, Ozaki, Masanobu, Paerels, Frits, Paltani, Stephane, Petre, Robert, Pinto, Ciro, Porter, Frederick S., Pottschmidt, Katja, Reynolds, Christopher S., Safi-Harb, Samar, Saito, Shinya, Sakai, Kazuhiro, Sasaki, Toru, Sato, Goro, Sato, Kosuke, Sato, Rie, Sawada, Makoto, Schartel, Norbert, Serlemtsos, Peter J., Seta, Hiromi, Shidatsu, Megumi, Simionescu, Aurora, Smith, Randall K., Soong, Yang, Stawarz, Lukasz, Sugawara, Yasuharu, Sugita, Satoshi, Szymkowiak, Andrew, Tajima, Hiroyasu, Takahashi, Hiromitsu, Takahashi, Tadayuki, Takeda, Shin'ichiro, Takei, Yoh, Tamagawa, Toru, Tamura, Takayuki, Tanaka, Takaaki, Tanaka, Yasuo, Tanaka, Yasuyuki T., Tashiro, Makoto S., Tawara, Yuzuru, Terada, Yukikatsu, Terashima, Yuichi, Tombesi, Francesco, Tomida, Hiroshi, Tsuboi, Yohko, Tsujimoto, Masahiro, Tsunemi, Hiroshi, Tsuru, Takeshi Go, Uchida, Hiroyuki, Uchiyama, Hideki, Uchiyama, Yasunobu, Ueda, Shutaro, Ueda, Yoshihiro, Uno, Shin'ichiro, Urry, C. Megan, Ursino, Eugenio, Watanabe, Shin, Werner, Norbert, Wilkins, Dan R., Williams, Brian J., Yamada, Shinya, Yamaguchi, Hiroya, Yamaoka, Kazutaka, Yamasaki, Noriko Y., Yamauchi, Makoto, Yamauchi, Shigeo, Yaqoob, Tahir, Yatsu, Yoichi, Yonetoku, Daisuke, Zhuravleva, Irina, Zoghbi, Abderahmen, Uchida, Yuusuke
We present the results from the Hitomi Soft Gamma-ray Detector (SGD) observation of the Crab nebula. The main part of SGD is a Compton camera, which in addition to being a spectrometer, is capable of measuring polarization of gamma-ray photons. The C
Externí odkaz:
http://arxiv.org/abs/1810.00704
Autor:
Tachibana, Yutaro, Arimoto, Makoto, Asano, Katsuaki, Harita, Shohei, Fujiwara, Taichi, Yoshii, Taketoshi, Itoh, Ryosuke, Murata, Katsuhiro L., Yatsu, Yoichi, Morita, Kotaro, Kawai, Nobuyuki
The long gamma-ray burst GRB 161017A was detected by Fermi and Swift, and its afterglow was observed by the MITSuME 50-cm optical telescope promptly about 50 s after the burst. Early optical observations revealed that the optical lightcurve exhibits
Externí odkaz:
http://arxiv.org/abs/1807.08923