A three-dimensional velocity of an erupting prominence prior to a coronal mass ejection

Author:

Gutierrez Maria V12,Otsuji Kenichi34,Asai Ayumi4,Terrazas Raul5,Ishitsuka Mutsumi2,Ishitsuka Jose26,Nakamura Naoki4,Yoshinaga Yusuke7,Morita Satoshi8,Ishii Takako T4,Ueno Satoru4,Kitai Reizaburo4910,Shibata Kazunari411

Affiliation:

1. Institute for Research in Astronomy and Astrophysics (IAFE CONICET-UBA), CC 67, Suc. 28, 1428 Buenos Aires, Argentina

2. Geophysical Institute of Peru, Calle Badajoz 169, Mayorazgo IV Etapa, Ate Vitarte, Lima, Peru

3. National Institute of Information and Communications Technology (NICT), Koganei, Tokyo, 184-8795, Japan

4. Astronomical Observatory, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan

5. Ica Solar Station, Department of Physics, San Luis Gonzaga National University , Av. Los Maestros S/N, Ica, Peru

6. National University of the Center of Peru, Mariscal Castilla 3909, Huancayo 12006, Peru

7. Department of Astronomy, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan

8. National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo, 181-8588, Japan

9. Bukkyo University, 96 Kitahananobo-cho, Murasakino, Kita-ku, Kyoto, Kyoto 603-8301, Japan

10. Ritsumeikan University, 56-1 Tojiin-Kitamachi Kita-ku, Kyoto, Kyoto 603-8577, Japan

11. Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe-shi, Kyoto 610-0394, Japan

Abstract

Abstract We present a detailed three-dimensional (3D) view of a prominence eruption, coronal loop expansion, and coronal mass ejections (CMEs) associated with an M4.4 flare that occurred on 2011 March 8 in the active region NOAA 11165. Full-disk Hα images of the flare and filament ejection were successfully obtained by the Flare Monitoring Telescope (FMT) following its relocation to Ica University, Peru. Multiwavelength observation around the Hα line enabled us to derive the 3D velocity field of the Hα prominence eruption. Features in extreme ultraviolet were also obtained by the Atmospheric Imager Assembly onboard the Solar Dynamic Observatory and the Extreme Ultraviolet Imager on board the Solar Terrestrial Relations Observatory - Ahead satellite. 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. We also discuss the succeeding activities of CME driven by multiple interactions between the expanding loops and the surrounding coronal magnetic field.

Funder

Kyoto University

JSPS

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

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