Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Fujiki, Ken'ichi"'
Autor:
Iwai, Kazumasa, Fallows, Richard A., Bisi, Mario M., Shiota, Daikou, Jackson, Bernard V., Tokumaru, Munetoshi, Fujiki, Ken'ichi
Interplanetary scintillation (IPS) is a useful tool for detecting coronal mass ejections (CMEs) throughout interplanetary space. Global magnetohydrodynamic (MHD) simulations of the heliosphere, which are usually used to predict the arrival and geo-ef
Externí odkaz:
http://arxiv.org/abs/2209.12486
Autor:
Iwai, Kazumasa, Fallows, Richard A., Bisi, Mario M., Shiota, Daikou, Jackson, Bernard V., Tokumaru, Munetoshi, Fujiki, Ken'ichi
Publikováno v:
In Advances in Space Research 15 December 2023 72(12):5328-5340
Akademický článek
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Comparative Study of Microwave Polar Brightening, Coronal Holes, and Solar Wind Over the Solar Poles
Autor:
Fujiki, Ken'ichi, Shibasaki, Kiyoto, Yashiro, Seiji, Tokumaru, Munetoshi, Iwai, Kazumasa, Masuda, Satoshi
Publikováno v:
Solar Physics (2019) 294:30
We comparatively studied the long-term variation (1992-2017) in polar brightening observed with the Nobeyama Radioheliograph, the polar solar wind velocity with interplanetary scintillation observations at the Institute for Space-Earth Environmental
Externí odkaz:
http://arxiv.org/abs/1902.10951
We have studied the relationship between the solar-wind speed $[V]$ and the coronal magnetic-field properties (a flux expansion factor [$f$] and photospheric magnetic-field strength [$B_{\mathrm{S}}$]) at all latitudes using data of interplanetary sc
Externí odkaz:
http://arxiv.org/abs/1507.03301
Autor:
Tokumaru, Munetoshi1 (AUTHOR) tokumaru@isee.nagoya-u.ac.jp, Fujiki, Ken'ichi1 (AUTHOR), Iwai, Kazumasa1 (AUTHOR)
Publikováno v:
Solar Physics. Feb2023, Vol. 298 Issue 2, p1-25. 25p.
Publikováno v:
Icarus, vol.252, pp. 301-310, 2015
We report the electron density in a plasma tail of Comet ISON (C/2012 S1) derived from interplanetary scintillation (IPS) observations during November 1--28, 2013. Comet ISON showed a well-developed plasma tail (longer than 2.98 x 10^{7} km) before i
Externí odkaz:
http://arxiv.org/abs/1410.2119
Akademický článek
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Publikováno v:
Solar Phys (2013) 288:331-353
We report radial speed evolution of interplanetary coronal mass ejections (ICMEs) detected by the SOHO/LASCO coronagraph, interplanetary scintillation (IPS) at 327 MHz, and in-situ observations. In this study, we analyze solar wind disturbance factor
Externí odkaz:
http://arxiv.org/abs/1303.5154
Observations of the polar region of the Sun are critically important for understanding the solar dynamo and the acceleration of solar wind. We carried out precise magnetic observations on both the North polar region and the quiet Sun at the East limb
Externí odkaz:
http://arxiv.org/abs/1005.3667