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Kinematics of solar eruptive filaments is one of the important diagnostic parameters for predicting whether solar eruptions would induce geomagnetic storms. Particularly, some geomagnetic storms might be induced by solar filament eruptions…

Solar and Stellar Astrophysics · Physics 2025-08-26 Ye Qiu , Yang Guo , Mingde Ding , Chuan Li , Linggao Kong , Zhen Li

Coronal mass ejections (CMEs) play a decisive role in driving space weather, especially, the fast ones (e.g., with speeds above $800$~km~s$^{-1}$). Understanding the trigger mechanisms of fast CMEs can help us gaining important information…

Solar and Stellar Astrophysics · Physics 2019-11-06 Peng Zou , Chaowei Jiang , Fengsi Wei , Pingbing Zuo , Yi Wang

We study a sequence of eruptive events including filament eruption, a GOES C4.3 flare and a coronal mass ejection. We aim to identify the possible trigger(s) and precursor(s) of the filament destabilisation; investigate flare kernel…

Solar and Stellar Astrophysics · Physics 2014-07-02 Z. Huang , M. S. Madjarska , K. Koleva , J. G. Doyle , P. Duchlev , M. Dechev , K. Reardon

Both observations and simulations suggest that the solar filament eruption is closely related to magnetic flux emergence. It is thought that the eruption is triggered by magnetic reconnection between the filament and the emerging flux.…

Solar and Stellar Astrophysics · Physics 2022-08-31 Leping Li , Hardi Peter , Lakshmi Pradeep Chitta , Hongqiang Song , Zhe Xu , Yongyuan Xiang

Solar filament eruptions are often characterized by stepwise evolution due to the involvement of multiple mechanisms, such as magnetohydrodynamic instabilities and magnetic reconnection. In this article, we investigated a confined filament…

Solar and Stellar Astrophysics · Physics 2024-03-20 Zhe Xu , Xiaoli Yan , Liheng Yang , Zhike Xue , Jincheng Wang , Yian Zhou

We report the formation of a complicated coronal mass ejection (CME) on 2015 August 23 by using the high temporal and high spatial resolution multi-wavelength observations taken by the Solar Dynamic Observatory and the Solar and…

Solar and Stellar Astrophysics · Physics 2019-09-04 Yadan Duan , Yuandeng Shen , Hechao Chen , Hongfei Liang

Failed filament eruptions are solar eruptions that are not associated with coronal mass ejections. In a failed filament eruption, the filament materials usually show some ascending and falling motions as well as generate bright EUV…

Solar and Stellar Astrophysics · Physics 2017-03-29 Y. Li , M. D. Ding

Large-amplitude oscillations (LAOs) are often detected in filaments. Using multiwavelength observations, their origin can be traced back to the interaction with eruptions and jets. We present two different case studies as observational…

Solar and Stellar Astrophysics · Physics 2023-03-29 Reetika Joshi , Manuel Luna , Brigitte Schmieder , Fernando Moreno-Insertis , Ramesh Chandra

We report on the rare eruption of a miniature H_alpha filament that took a surge form. The filament first underwent a full development within 46 minutes and then began to erupt 9 minutes later, followed by a compact, impulsive X-ray class…

Solar and Stellar Astrophysics · Physics 2015-06-03 Jia-Yan Yang , Yun-Chun Jiang , Dan Yang , Yi Bi , Bo Yang , Rui-Sheng Zheng , Jun-Chao Hong

We report on four large filament eruptions (FEs) from solar cycles 23 and 24 that were associated with large solar energetic particle (SEP) events and interplanetary type II radio bursts. The post-eruption arcades corresponded to mostly…

Solar and Stellar Astrophysics · Physics 2015-06-11 N. Gopalswamy , P. Makela , S. Akiyama , S. Yashiro , H. Xie , N. Thakur , S. W. Kahler

A number of solar filaments/prominences demonstrate failed eruptions, when a filament at first suddenly starts to ascend and then decelerates and stops at some greater height in the corona. The mechanism of the termination of eruptions is…

Solar and Stellar Astrophysics · Physics 2021-07-01 B. Filippov

Previous studies have revealed that solar coronal jets triggered by the eruption of mini-filaments (MFs) conform to the famous magnetic-breakout mechanism. In such scenario, a breakout current sheet (BCS) and a flare current sheet (FCS)…

Solar and Stellar Astrophysics · Physics 2024-01-05 Liheng Yang , Xiaoli Yan , Zhike Xue , Zhe Xu , Qingmin Zhang , Yijun Hou , Jincheng Wang , Huadong Chen

The dynamic properties of flare ribbons and the often associated filament eruptions can provide crucial information on the flaring coronal magnetic field. This Letter analyzes the GOES-class X1.0 flare on 2014 March 29…

Solar and Stellar Astrophysics · Physics 2015-10-21 Chang Liu , Na Deng , Rui Liu , Jeongwoo Lee , Etienne Pariat , Thomas Wiegelmann , Yang Liu , Lucia Kleint , Haimin Wang

Bunches of swaying and spinning plasma jets in the solar atmosphere - the spicules - exhibit a variety of complex dynamics that are clearly observed in the images of the solar limb. Utilizing three-dimensional radiative magnetohydrodynamics…

Solar and Stellar Astrophysics · Physics 2024-04-26 Sahel Dey , Piyali Chatterjee , Robertus Erdelyi

Solar eruptions are explosive release of coronal magnetic field energy as manifested in solar flares and coronal mass ejection. Observations have shown that the core of eruption-productive regions are often a sheared magnetic arcade, i.e.,…

Solar and Stellar Astrophysics · Physics 2022-03-14 Xinkai Bian , Chaowei Jiang , Xueshang Feng , Pingbing Zuo , Yi Wang , Xinyi Wang

In this paper, we present a detailed analysis of a coronal blowout jet eruption which was associated with an obvious extreme-ultraviolet (EUV) wave and one complicated coronal mass ejection (CME) event based on the multi-wavelength and…

Solar and Stellar Astrophysics · Physics 2018-12-27 Y. H. Miao , Y. Liu , H. B. Li , Y. D. Shen , S. H. Yang , A. Elmhamdi , A. S. Kordi , Z. Z. Abidin

Coronal holes are areas on the Sun with open magnetic field lines. They are a source region of the solar wind, but how the wind emerges from coronal holes is not known. We observed a coronal hole using the Extreme Ultraviolet Imager on the…

Partial eruptions of solar filaments are the typical representative of solar eruptive behavior diversity. Here we investigate a typical filament partial eruption event and present integrated evidence for configuration of the pre-eruption…

Recent high-resolution imaging and spectroscopic observations have generated renewed interest in spicules' role in explaining the hot corona. Some studies suggest that some spicules, often classified as type II, may provide significant mass…

Solar and Stellar Astrophysics · Physics 2022-10-05 Shanwlee Sow Mondal , James A. Klimchuk , Aveek Sarkar

Solar filaments often erupt partially. Although how they split remains elusive, the splitting process has the potential of revealing the filament structure and eruption mechanism. Here we investigate the pre-eruption splitting of an…

Solar and Stellar Astrophysics · Physics 2021-03-10 Hanya Pan , Rui Liu , Tingyu Gou , Bernhard Kliem , Yingna Su , Jun Chen , Yuming Wang
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