English
Related papers

Related papers: Horizontal photospheric flows trigger a filament e…

200 papers

We present an investigation of partial filament eruption on 2012 June 17 in the active region NOAA 11504. For the first time, we observed the vertical splitting process during the partial eruption with high resolution narrow band images at…

Solar and Stellar Astrophysics · Physics 2022-04-27 Jun Dai , Zhentong Li , Ya Wang , Zhe Xu , Yanjie Zhang , Leping Li , Qingmin Zhang , Yingna Su , Haisheng Ji

We present here an interesting two-step filament eruption during 14-15 March 2015. The filament was located in NOAA AR 12297 and associated with a halo Coronal Mass Ejection (CME). We use observations from the Atmospheric Imaging Assembly…

Solar and Stellar Astrophysics · Physics 2017-06-28 R. Chandra , B. Filippov , R. Joshi , B. Schmieder

Minifilaments are widespread small-scale structures in the solar atmosphere. To better understand their formation and eruption mechanisms, we investigate the entire life of a sigmoidal minifilament located below a large quiescent filament…

Solar and Stellar Astrophysics · Physics 2024-05-28 Weilin Teng , Yingna Su , Rui Liu , Jialin Chen , Yanjie Liu , Jun Dai , Wenda Cao , Jinhua Shen , Haisheng Ji

We study an active-region dextral filament which was composed of two branches separated in height by about 13 Mm. This "double-decker" configuration sustained for days before the upper branch erupted with a GOES-class M1.0 flare on 2010…

Solar and Stellar Astrophysics · Physics 2012-08-16 Rui Liu , Bernhard Kliem , Tibor Török , Chang Liu , Viacheslav S. Titov , Roberto Lionello , Jon A. Linker , Haimin Wang

We report observation of a large-amplitude filament oscillation followed by an eruption. This is used to probe the pre-eruption condition and the trigger mechanism of solar eruptions. We used the EUV images from the Extreme-Ultraviolet…

Astrophysics · Physics 2009-11-11 Hiroaki Isobe , Durgesh Tripathi

Combining the high-quality observations from the {\it Solar Dynamics Observatory} (SDO), the Global Oscillation Network Group (GONG), and the Chinese H$\alpha$ Solar Explorer (CHASE), we report a solar coronal jet triggered by the…

Solar and Stellar Astrophysics · Physics 2025-10-22 Jiayan Yang , Leping Li , Huadong Chen , Yi Bi , Bo Yang , Junchao Hong , Yan Dong

We report on observations of conversion of bright filament strands into flare loops during 2012 August 31 filament eruption. Prior to the eruption, individual bright strands composing one of the legs of the filament were observed in the 171…

Solar and Stellar Astrophysics · Physics 2019-11-20 Juraj Lorincik , Jaroslav Dudik , Guillaume Aulanier

Magnetic flux ropes are the centerpiece of solar eruptions. Direct measurements for the magnetic field of flux ropes are crucial for understanding the triggering and energy release processes, yet they remain heretofore elusive. Here we…

Solar and Stellar Astrophysics · Physics 2022-01-05 Yuqian Wei , Bin Chen , Sijie Yu , Haimin Wang , Ju Jing , Dale E. Gary

The purpose of this paper is to analyze the multi-wavelength and multi-instrument observations of two quiescent filament eruptions as well as the deflection of associated CMEs from the radial direction. The events occurred on 18 October…

Solar and Stellar Astrophysics · Physics 2025-07-03 Kostadinka Koleva , Ramesh Chandra , Pooja Devi , Peter Duchlev , Momchil Dechev

On 2005 September 13 a filament eruption accompanied by a halo CME occurred in the most flare-productive active region NOAA 10808 in Solar Cycle 23. Using multi-wavelength observations before the filament eruption on Sep. 13th, we…

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

We analyze multi-spacecraft observations of a giant filament eruption that occurred during 26 and 27 September 2009. The filament eruption was associated with a relatively slow coronal mass ejection (CME). The filament consisted of a large…

Solar and Stellar Astrophysics · Physics 2015-06-11 Sanjay Gosain , Brigitte Schmieder , Guy Artzner , Sergei Bogachev , Tibor Torok

The dynamics of a filament channel are observed with imaging and spectroscopic telescopes before and during the filament eruption on 2011 January 29. The extreme ultraviolet (EUV) spectral observations reveal that there is no EUV…

Solar and Stellar Astrophysics · Physics 2014-03-13 P. F. Chen , L. K. Harra , C. Fang

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

A filament eruption, accompanied by a B9.5 flare, coronal dimming and an EUV wave, was observed by the Solar TERrestrial Relations Observatory (STEREO) on 19 May 2007, beginning at about 13:00 UT. Here, we use observations from the…

Solar and Stellar Astrophysics · Physics 2015-05-13 P. C. Liewer , E. M. De Jong , J. R. Hall , R. A. Howard , W. T. Thompson , J. L. Culhane , Laura Bone , L. van Driel-Gesztelyi

Magnetic flux emergence is traditionally considered a key trigger of solar filament eruptions; however, its role in suppressing filament eruptions remains less understood. Using multi-wavelength observations from the Solar Dynamics…

Solar and Stellar Astrophysics · Physics 2025-05-26 Chengrui Zhou , Yuandeng Shen , Chun Xia , Hao Liang , Zehao Tang , Dongxu Liu , Surui Yao

Utilizing observations from the New Vacuum Solar Telescope (NVST), Solar Dynamics Observatory (SDO), and Solar Terrestrial Relations Observatory-Ahead (STEREO-A), we investigate the event from two distinct observational perspectives: on the…

Solar and Stellar Astrophysics · Physics 2024-01-02 Jincheng Wang , Xiaoli Yan , Qiangwei Cai , Zhike Xue , Liheng Yang , Qiaoling Li , Zhe Xu , Yunfang Cai , Liping Yang , Yang Peng , Xia Sun , Xinsheng Zhang , Yian Zhou

In this paper, we report our multiwavelength observations of a partial filament eruption event in NOAA active region 11283 on 2011 September 8. A magnetic null point and the corresponding spine and separatrix surface are found in the active…

Solar and Stellar Astrophysics · Physics 2015-05-27 Q. M. Zhang , Z. J. Ning , Y. Guo , T. H. Zhou , X. Cheng , H. S. Ji , L. Feng , T. Wiegelmann

To better understand magnetic structure and eruptive process of solar filaments, a solar active-region filament (labeled F2) eruption associated with a B-class flare was investigated by using high-resolution H$\alpha$ data from the 1 m New…

Solar and Stellar Astrophysics · Physics 2020-11-25 X. L. Yan , Q. L. Li , G. R. Chen , Z. K. Xue , L. Feng , J. C. Wang , L. H. Yang , Y. Zhang

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