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相关论文: Investigating an Erupting Metric-decimetric Radio …

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Filament eruptions are considered to be a common phenomenon on the Sun and other stars, yet they are rarely directly imaged in the meter and decimeter wavebands. Using imaging data from the DAocheng solar Radio Telescope (DART) in the…

太阳与恒星天体物理 · 物理学 2025-04-14 Zhenyong Hou , Hui Tian , Jingye Yan , Maria S. Madjarska , Jiale Zhang , Yu Xu , Hechao Chen , Zhao Wu , Lin Wu , Xuning Lv , Yang Yang , Yujie Liu , Li Deng , Li Feng , Ye Qiu

We analyse imaging (EUV, X-ray) and spectral (radio, X-ray) data obtained by ground based and space instruments on board space missions both on Earth (Fermi, Hinode, Solar Dynamics Observatory) and solar orbit (Solar Orbiter, STEREO-A),…

Solar filaments often exhibit rotation and deflection during eruptions, which would significantly affect the geoeffectiveness of the corresponding coronal mass ejections (CMEs). Therefore, understanding the mechanisms that lead to such…

太阳与恒星天体物理 · 物理学 2023-08-21 Jinhan Guo , Ye Qiu , Yiwei Ni , Yang Guo , Chuan Li , Yuhang Gao , Brigitte Schmieder , Stefaan Poedts , Pengfei Chen

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…

太阳与恒星天体物理 · 物理学 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

We report the observations of a moderate but relatively intense geo-effective solar eruption on 2015 November 4 from the peripheral diffusive polarities of active region 12443. We use space-borne Solar Dynamics Observatory and ACE…

太阳与恒星天体物理 · 物理学 2018-08-22 Rui Wang , Ying D. Liu , Huidong Hu , Xiaowei Zhao

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…

太阳与恒星天体物理 · 物理学 2025-07-03 Kostadinka Koleva , Ramesh Chandra , Pooja Devi , Peter Duchlev , Momchil Dechev

We present the observations of a quiescent filament eruption and its deflection from the radial direction. The event occurred in the southern solar hemisphere on 2021 May 9 and was observed by the Atmospheric Imaging Assembly (AIA) on board…

太阳与恒星天体物理 · 物理学 2024-11-18 K. Koleva , R. Chandra , P. Duchlev , P. Devi

A filament eruption was observed on October 31, 2010 in the images recorded by the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamic Observatory (SDO) in its Extreme Ultra-Violet (EUV) channels. The filament showed a slow rise…

太阳与恒星天体物理 · 物理学 2016-04-18 V. Aparna , Durgesh Tripathi

Solar filaments are cool and dense plasma structures suspended in the solar corona against gravity. We present observations of a quiescent filament eruption that occurs on 13 July 2015. The eruption is associated with a two-ribbon GOES B8.9…

Filaments are special plasma phenomena embedded in the solar atmosphere, characterized by unique thermodynamic properties and magnetic structures. Magnetohydrodynamic (MHD) simulations are useful to investigate the eruption mechanisms of…

太阳与恒星天体物理 · 物理学 2025-04-22 Yihua Li , Yang Guo , Jinhan Guo , M. D. Ding , Chun Xia , Rony Keppens

A filament eruption was observed with the Siberian Solar Radio Telescope (SSRT) on June 23 2012, starting around 06:40 UT, beyond the West limb. The filament could be followed in SSRT images to heights above 1 Rs, and coincided with the…

太阳与恒星天体物理 · 物理学 2015-06-17 C. E. Alissandrakis , A. A. Kochanov , S. Patsourakos , A. T. Altyntsev , S. V. Lesovoi , N. N. Lesovoya

The combination of magnetohydrodynamic (MHD) simulation and multi-wavelength observations is an effective way to study mechanisms of magnetic flux rope eruption. We develop a data-driven MHD model using the zero-$\beta$ approximation. The…

太阳与恒星天体物理 · 物理学 2019-01-23 Yang Guo , Chun Xia , Rony Keppens , M. D. Ding , P. F. Chen

An isolated and fast decayed active region (NOAA 9729) was observed when passing through solar disk. There is only one CME related with it that give us a good opportunity to investigate the whole process of the CME. Filament in this active…

太阳与恒星天体物理 · 物理学 2017-03-15 Shangbin Yang , Wenbin Xie , Jihong Liu

Magnetic reconnection modulated by non-local disturbances in the solar atmosphere has been investigated theoretically, but rarely observed. In this study, employing Ha and extreme ultraviolet (EUV) images and line of sight magnetograms, we…

太阳与恒星天体物理 · 物理学 2021-03-10 Leping Li , Hardi Peter , Lakshmi Pradeep Chitta , Hongqiang Song , Kaifan Ji , Yongyuan Xiang

Using multi-instrument and multi-wavelength observations, we studied a CME eruption that led to intense geomagnetic storm on 23 April 2023. The eruption occurred on April 21 in solar active region 13283 near the disk-center. The AR was in…

太阳与恒星天体物理 · 物理学 2023-12-15 P. Vemareddy

We analyze the observations of EUV loop evolution associated with the filament eruption located at the border of an active region. The event SOL2013-03-16T14:00 was observed with a large difference of view point by the Solar Dynamics…

太阳与恒星天体物理 · 物理学 2021-12-08 Ramesh Chandra , Pascal Demoulin , Pooja Devi , Reetika Joshi , Brigitte Schmieder

We investigate the failed partial eruption of a filament system in NOAA AR 12104 on 2014 July 5, using multiwavelength EUV, magnetogram, and H$\alpha$ observations, as well as magnetic field modeling. The filament system consists of two…

太阳与恒星天体物理 · 物理学 2021-12-22 Jialin Chen , Yingna Su , Rui Liu , Bernhard Kliem , Qingmin Zhang , Haisheng Ji , Tie Liu

The unpredictability of solar filament eruptions presents major challenges for forecasting space weather, as such eruptions frequently drive coronal mass ejections (CMEs) that impact the heliosphere. While nearby flux emergence is often…

We present a case study of the 13 July 2004 solar event, in which disturbances caused by eruption of a filament from an active region embraced a quarter of the visible solar surface. Remarkable are absorption phenomena observed in the…

天体物理学 · 物理学 2008-11-07 V. V. Grechnev , A. M. Uralov , V. A. Slemzin , I. M. Chertok , I. V. Kuzmenko , K. Shibasaki

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…

太阳与恒星天体物理 · 物理学 2019-11-20 Juraj Lorincik , Jaroslav Dudik , Guillaume Aulanier
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