Zobrazeno 1 - 10
of 122
pro vyhledávání: '"KAWATE, Tomoko"'
Autor:
Yamasaki, Daiki, Huang, Yu Wei, Hashimoto, Yuki, Cabezas, Denis P., Kawate, Tomoko, UeNo, Satoru, Ichimoto, Kiyoshi
Solar filaments are dense and cool plasma clouds in the solar corona. They are supposed to be supported in a dip of coronal magnetic field. However, the models are still under argument between two types of the field configuration; one is the normal p
Externí odkaz:
http://arxiv.org/abs/2304.00422
Autor:
Nagasawa, Shunsaku, Kawate, Tomoko, Narukage, Noriyuki, Takahashi, Tadayuki, Caspi, Amir, Woods, Thomas N.
Publikováno v:
The Astrophysical Journal, Vol. 933, Issue 2, 173 (16pp); 2022 July 10
We conduct a wide-band X-ray spectral analysis in the energy range of 1.5-100 keV to study the time evolution of the M7.6 class flare of 2016 July 23, with the Miniature X-ray Solar Spectrometer (MinXSS) CubeSat and the Reuven Ramaty High Energy Sola
Externí odkaz:
http://arxiv.org/abs/2205.14369
In addition to X-rays, extreme ultraviolet (EUV) rays radiated from solar flares can cause serious problems, such as communication failures and satellite drag. Therefore, methods for forecasting EUV dynamic spectra during flares are urgently required
Externí odkaz:
http://arxiv.org/abs/2005.06099
Akademický článek
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Autor:
Shimojo, Masumi, Kawate, Tomoko, Okamoto, Takenori J., Yokoyama, Takaaki, Narukage, Noriyuki, Sakao, Taro, Iwai, Kazumasa, Fleishman, Gregory D., Shibata, Kazunari
Publikováno v:
Astrophysical Journal Letters, Vol. 888, L28 (2020)
We succeeded in observing two large spicules simultaneously with the Atacama Large Millimeter/submillimeter Array (ALMA), the Interface Region Imaging Spectrograph (IRIS), and the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observat
Externí odkaz:
http://arxiv.org/abs/1912.05714
Autor:
Kawate, Tomoko, Hanaoka, Yoichiro
We performed statistical and event studies of linear polarization in the H$\alpha$ line during solar flares. The statistical study revealed that, among 71 H$\alpha$ flares analyzed, including 64 GOES flares, only one event shows significant linear po
Externí odkaz:
http://arxiv.org/abs/1901.03441
Autor:
Anan, Tetsu, Yoneya, Takurou, Ichimoto, Kiyoshi, Ueno, Satoru, Shiota, Daikou, Nozawa, Satoshi, Takasao, Shinsuke, Kawate, Tomoko
A flare kernel associated with a C4 class flare was observed in a spectral window including the He I triplet 10830 A and Si I 10827 A with a spectropolarimeter on the Domeless Solar Telescope at Hida Observatory on August 9th, 2015. Observed Stokes p
Externí odkaz:
http://arxiv.org/abs/1808.06821
Autor:
Tei, Akiko, Sakaue, Takahito, Okamoto, Takenori J., Kawate, Tomoko, Heinzel, Petr, Ueno, Satoru, Asai, Ayumi, Ichimoto, Kiyoshi, Shibata, Kazunari
We performed coordinated observations of AR 12205, which produced a C-class flare on 2014 November 11, with the Interface Region Imaging Spectrograph (IRIS) and the Domeless Solar Telescope (DST) at Hida Observatory. Using spectral data in the Si IV
Externí odkaz:
http://arxiv.org/abs/1803.05237
The solar corona is full of dynamic phenomena, e.g., solar flares, micro flares in active regions, jets in coronal holes and in the polar regions, X-ray bright points in quiet regions, etc. They are accompanied by interesting physical processes, name
Externí odkaz:
http://arxiv.org/abs/1706.04536
Autor:
Kawate, Tomoko, Ishii, Takako T., Nakatani, Yoshikazu, Ichimoto, Kiyoshi, Asai, Ayumi, Morita, Satoshi, Masuda, Satoshi
On 2011 September 6, we observed an X2.1-class flare in continuum and H$\alpha$ with a frame rate of about 30~Hz. After processing images of the event by using a speckle-masking image reconstruction, we identified white-light (WL) flare ribbons on op
Externí odkaz:
http://arxiv.org/abs/1610.04328