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相关论文: Complex Flare Dynamics Initiated by a Filament-Fil…

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We study a filament eruption, two-ribbon flare, and coronal mass ejection (CME) that occurred in Active Region NOAA 10898 on 6 July 2006. The filament was located South of a strong sunspot that dominated the region. In the evolution leading…

太阳与恒星天体物理 · 物理学 2014-01-14 Tibor Török , Manuela Temmer , Gherardo Valori , Astrid Veronig , Lidia van Driel-Gesztelyi , Bojan Vršnak

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…

太阳与恒星天体物理 · 物理学 2015-05-27 Q. M. Zhang , Z. J. Ning , Y. Guo , T. H. Zhou , X. Cheng , H. S. Ji , L. Feng , T. Wiegelmann

We present observations and modeling of the magnetic field configuration, morphology, and dynamics of a large-scale, high-latitude filament eruption observed by the Solar Dynamics Observatory. We analyze the 2015 July 9-10 filament eruption…

We report multi-wavelength and multi-viewpoint observations of a solar eruptive event which involves loop-loop interactions. During a C2.0 flare, motions associated with inflowing and outflowing plasma provide evidence for ongoing magnetic…

太阳与恒星天体物理 · 物理学 2016-04-27 Chunming Zhu , Rui Liu , David Alexander , R. T. James McAteer

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…

太阳与恒星天体物理 · 物理学 2014-07-02 Z. Huang , M. S. Madjarska , K. Koleva , J. G. Doyle , P. Duchlev , M. Dechev , K. Reardon

We present multiwavelength analysis of an M7.9 /1N solar flare which occurred on 27 April 2006 in AR NOAA 10875. The flare was triggered due to the interaction of two loop systems. GOES soft X-ray and TRACE 195 {\AA} image sequences show…

太阳与恒星天体物理 · 物理学 2011-09-23 Pankaj Kumar , Abhishek K. Srivastava , B. V. Somov , P. K. Manoharan , R. Erdélyi , Wahab Uddin

We report a detailed analysis of a failed eruption and flare in active region 12018 on 2014 April 3 using multiwavelength observations from SDO/AIA, IRIS, STEREO, and Hinode/SOT. At least four jets were observed to emanate from the cusp of…

太阳与恒星天体物理 · 物理学 2023-02-15 Pankaj Kumar , Judith T. Karpen , Spiro K. Antiochos , C. Richard DeVore , Peter F. Wyper , Kyung-Suk Cho

We perform a data-constrained simulation with the zero-$\beta$ assumption to study the mechanisms of strong rotation and failed eruption of a filament in active region 11474 on 2012 May 5 observed by Solar Dynamics Observatory and Solar…

太阳与恒星天体物理 · 物理学 2023-12-13 Xiaomeng Zhang , Jinhan Guo , Yang Guo , Mingde Ding , Rony Keppens

We analyze a unique event with an M1.8 confined circular-ribbon flare on 2016 February 13, with successive formations of two circular ribbons at the same location. The flare had two distinct phases of UV and EUV emissions with an interval…

太阳与恒星天体物理 · 物理学 2018-06-13 Ting Li , Shuhong Yang , Qingmin Zhang , Yijun Hou , Jun Zhang

Solar flares are often accompanied by filament/prominence eruptions ($\sim10^{4}$ K and $\sim 10^{10-11}$ cm$^{-3}$), sometimes leading to coronal mass ejections (CMEs) that directly affect the Earth's environment. `Superflares' are found…

A filament disappearance event was observed on 22 May 2008 during our recent campaign JOP 178. The filament, situated in the southern hemisphere, showed sinistral chirality consistent with the hemispheric rule. The event was well observed…

太阳与恒星天体物理 · 物理学 2015-05-14 S. Gosain , B. Schmieder , P. Venkatakrishnan , R. Chandra , G. Artzner

Filament eruptions often lead to coronal mass ejections (CMEs), which can affect critical technological systems in space and on the ground when they interact with the geo-magnetosphere in high speeds. Therefore, it is an important issue to…

太阳与恒星天体物理 · 物理学 2015-05-20 Hongqiang Song , Yao Chen , Jie Zhang , Xin Cheng , Hui Fu , Gang Li

The active region magnetic field surrounding the filament plays an important role in filament formation, their evolution and disruption. We investigated a filament eruption that occurred in southern hemisphere of the Sun on July 08, 2011…

太阳与恒星天体物理 · 物理学 2013-07-30 Sajal Kumar Dhara , B. Ravindra , Ravinder Kumar Banyal

Filament eruptions are magnetically driven violent explosions commonly observed on the Sun and late-type stars, sometimes leading to monster coronal mass ejections that directly affect the nearby planets' environments. More than a century…

太阳与恒星天体物理 · 物理学 2025-03-19 Hechao Chen , Hui Tian , Quanhao Zhang , Chuan Li , Chun Xia , Xianyong Bai , Zhenyong Hou , Kaifan Ji , Yuanyong Deng , Xiao Yang , Ziyao Hu

We present RHESSI and TRACE observations of multiple flare activity that occurred in the active region NOAA 10656 over the period of two hours on 2004 August 18. Out of four successive flares, there were three events of class C while the…

太阳与恒星天体物理 · 物理学 2015-06-15 Bhuwan Joshi , Upendra Kushwaha , K. -S. Cho , Astrid M. Veronig

We studied the dynamics of the solar atmosphere in the region of a large quiet-Sun filament, which erupted on 21 October 2010. The filament eruption started at its northern end and disappeared from the H$\alpha$ line-core filtergrams line…

太阳与恒星天体物理 · 物理学 2020-04-29 Jiří Wollmann , Michal Švanda , David Korda , Thierry Roudier

We report on observations of the two newly-identified reconnection geometries involving erupting flux ropes. In 3D, a flux rope can reconnect either with a surrounding coronal arcade (recently named "ar-rf" reconnection) or with itself…

太阳与恒星天体物理 · 物理学 2020-01-08 Jaroslav Dudik , Juraj Lorincik , Guillaume Aulanier , Alena Zemanova , Brigitte 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…

太阳与恒星天体物理 · 物理学 2024-05-28 Weilin Teng , Yingna Su , Rui Liu , Jialin Chen , Yanjie Liu , Jun Dai , Wenda Cao , Jinhua Shen , Haisheng Ji

We present the multi-wavelength observations of asymmetric filament eruption, associated CME and coronal downflows on 2012 June 17-18 during 20:00-05:00 UT. We use SDO/AIA, STEREO-B/SECCHI observations to understand the filament eruption…

太阳与恒星天体物理 · 物理学 2015-06-15 N. C. Joshi , A. K. Srivastava , B. Filippov , W. Uddin , P. Kayshap , R. Chandra

We present SDO/AIA observations of an eruptive X-class flare of July 12, 2012, and compare its evolution with the predictions of a 3D numerical simulation. We focus on the dynamics of flare loops that are seen to undergo slipping…

太阳与恒星天体物理 · 物理学 2015-06-18 Jaroslav Dudík , Miho Janvier , Guillaume Aulanier , Giulio Del Zanna , Marian Karlický , Helen Mason , Brigitte Schmieder