Search Results for author: Kazunari Shibata

Found 3 papers, 0 papers with code

A Three-Dimensional Velocity of an Erupting Prominence Prior to a Coronal Mass Ejection

no code implementations21 Jan 2021 Maria V. Gutierrez, Kenichi Otsuji, Ayumi Asai, Raul Terrazas, Mutsumi Ishitsuka, Jose Ishitsuka, Naoki Nakamura, Yusuke Yoshinaga, Satoshi Morita, Takako T. Ishii, Satoru UeNo, Reizaburo Kitai, Kazunari Shibata

We found that, following collision of the erupted filament with the coronal magnetic field, some coronal loops began to expand, leading to the growth of a clear CME.

Solar and Stellar Astrophysics

Statistical Properties of Superflares on Solar-type Stars: Results Using All of the Kepler Primary Mission Data

no code implementations4 Nov 2020 Soshi Okamoto, Yuta Notsu, Hiroyuki Maehara, Kosuke Namekata, Satoshi Honda, Kai Ikuta, Daisaku Nogami, Kazunari Shibata

As a result, we found 2341 superflares on 265 solar-type stars, and 26 superflares on 15 Sun-like stars: the former increased from 527 to 2341 and the latter from 3 to 26 events compared with our previous study.

Solar and Stellar Astrophysics Earth and Planetary Astrophysics

A Deep-Learning Approach for Operation of an Automated Realtime Flare Forecast

no code implementations6 Jun 2016 Yuko Hada-Muranushi, Takayuki Muranushi, Ayumi Asai, Daisuke Okanohara, Rudy Raymond, Gentaro Watanabe, Shigeru Nemoto, Kazunari Shibata

Automated forecasts serve important role in space weather science, by providing statistical insights to flare-trigger mechanisms, and by enabling tailor-made forecasts and high-frequency forecasts.

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