Zobrazeno 1 - 10
of 246
pro vyhledávání: '"Kataoka, Ryuho"'
Autor:
Nakahira, Satoshi, Tsunemi, Hiroshi, Tomida, Hiroshi, Nakashima, Shinya, Kataoka, Ryuho, Makishima, Kazuo
By accumulating data from the Solid-state Slit Camera (SSC) on board the MAXI mission for 2 years from 2009 to 2011, diffuse X-ray background maps were obtained in energies of 0.7--1.0, 1.0--2.0, and 2.0--4.0 keV. They are the first ones that were de
Externí odkaz:
http://arxiv.org/abs/1912.01572
Autor:
Hayakawa, Hisashi, Mitsuma, Yasuyuki, Fujiwara, Yasunori, Kawamura, Akito Davis, Kataoka, Ryuho, Ebihara, Yusuke, Kosaka, Shunsuke, Iwahashi, Kiyomi, Tamazawa, Harufumi, Isobe, Hiroaki
People have probably been watching the sky since the beginning of human history. Observers in pre-telescopic ages recorded anomalous events and these astronomical records in the historical documents provide uniquely valuable information for modern sc
Externí odkaz:
http://arxiv.org/abs/1610.08690
Autor:
Hayakawa, Hisashi, Iwahashi, Kiyomi, Tamazawa, Harufumi, Isobe, Hiroaki, Kataoka, Ryuho, Ebihara, Yusuke, Miyahara, Hiroko, Kawamura, Akito Davis, Shibata, Kazunari
The magnetic storm around 1859 September 2, caused by so-called Carrington flare, was the most intense in the history of modern scientific observations, and hence is considered to be the benchmark event for space weather. The magnetic storm caused wo
Externí odkaz:
http://arxiv.org/abs/1608.07702
Ionization of protoplanetary disks by galactic cosmic rays, solar protons, and by supernova remnants
Autor:
Kataoka, Ryuho, Sato, Tatsuhiko
Galactic cosmic rays and solar protons ionize the present terrestrial atmosphere, and the air showers are simulated by well-tested Monte-Carlo simulations, such as PHITS code. We use the latest version of PHITS to evaluate the possible ionization of
Externí odkaz:
http://arxiv.org/abs/1606.05714
Autor:
Hayakawa, Hisashi, Isobe, Hiroaki, Kawamura, Akito Davis, Tamazawa, Harufumi, Miyahara, Hiroko, Kataoka, Ryuho
Solar activity has been recorded as auroras or sunspots in various historical sources. These records are of much importance for investigating both long-term solar activities and extremely intense solar flares. In previous studies, they were recorded
Externí odkaz:
http://arxiv.org/abs/1603.02374
Publikováno v:
Earth, Planets and Space 2015, 67, 117
Solar energetic particles (SEPs) are one of the extreme space weather phenomena. A huge SEP event increases the radiation dose received by aircrews, who should be warned of such events as early as possible. We developed a warning system for aviation
Externí odkaz:
http://arxiv.org/abs/1506.00825
Autor:
Nakano, Shin'ya1,2,3 (AUTHOR) shiny@ism.ac.jp, Kataoka, Ryuho2,4 (AUTHOR), Nosé, Masahito5,6 (AUTHOR), Gjerloev, Jesper W.7 (AUTHOR)
Publikováno v:
Annales Geophysicae (ANGEO) (09927689). 2023, Vol. 41 Issue 2, p529-539. 11p.
Autor:
Freund, Domenique1 (AUTHOR) domenique.freund@lasp.colorado.edu, Blum, Lauren1 (AUTHOR), Vidal‐Luengo, Sergio1 (AUTHOR), Bruno, Alessandro2,3 (AUTHOR), Kataoka, Ryuho4 (AUTHOR)
Publikováno v:
Journal of Geophysical Research. Space Physics. Aug2024, Vol. 129 Issue 8, p1-16. 16p.
Autor:
Vidal‐Luengo, Sergio E., Blum, Lauren W., Bruno, Alessandro, Guzik, T. Gregory, de Nolfo, Georgia, Ficklin, Anthony W., Kataoka, Ryuho, Torii, Shoji
Publikováno v:
Geophysical Research Letters; 6/28/2024, Vol. 51 Issue 12, p1-9, 9p