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We report on the characterization of a coronal mass ejection (CME) observed on 22 October 2003 by the LASCO-C2 and C3 coronagraphs over a time interval of 6 hours. This CME clearly appears as an asymmetric flux-rope in self-similar…

太阳与恒星天体物理 · 物理学 2025-10-08 Philippe Lamy , Yannick Boursier , Jean Loirat , Andrei Zhukov

The objectives of the present study is to provide a better physical understanding of the complex inter-relation and evolution of several solar coronal features comprising a double-peak flare, a coronal dimming caused by a CME, a CME-driven…

太阳与恒星天体物理 · 物理学 2015-06-23 M. S. Madjarska , J. G. Doyle , J. Shetye

An unexpected strong geomagnetic storm occurred on 2018 August 26, which was caused by a slow coronal mass ejection (CME) from a gradual eruption of a large quiet-region filament. We investigate the eruption and propagation characteristics…

太阳与恒星天体物理 · 物理学 2019-11-06 Chong Chen , Ying D. Liu , Rui Wang , Xiaowei Zhao , Huidong Hu , Bei Zhu

Coronal mass ejections (CMEs) are closely related to eruptive filaments and usually are the continuation of the same eruptive process into the upper corona. There are failed filament eruptions when a filament decelerates and stops at some…

太阳与恒星天体物理 · 物理学 2018-02-07 Boris Filippov

Coronal Mass ejections or CMEs are large dynamical solar-corona events. The mass balance and kinematics of a fast limb CME, including its prominence progenitor and the associated flare, will be compared with computed magnetic structures to…

天体物理学 · 物理学 2009-11-13 Serge Koutchmy , Vladimir Slemzin , Boris Filippov , Jacques-Clair Noens , David Romeuf , Leon Golub

Coronal mass ejections (CMEs) are often accompanied by coronal dimming evident in extreme ultraviolet (EUV) and soft X-ray observations. The locations of dimming are sometimes considered to map footpoints of the erupting flux rope. As the…

太阳与恒星天体物理 · 物理学 2016-07-06 J. X. Cheng , J. Qiu

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 investigate the relation between the spatiotemporal evolution of the dimming region and the dominant direction of the filament eruption and CME propagation for the 28 October 2021 X1.0 flare/CME event observed from multiple viewpoints by…

We study the coronal dimming caused by the fast halo CME (deprojected speed v =1250 km s $^{-1})$ associated with the C3.7 two-ribbon flare on 2012 September 27, using Hinode/EIS spectroscopy and SDO/AIA Differential Emission Measure (DEM)…

太阳与恒星天体物理 · 物理学 2019-07-17 Astrid M. Veronig , Peter Gömöry , Karin Dissauer , Manuela Temmer , Kamalam Vanninathan

Solar filaments can undergo eruptions and result in the formation of coronal mass ejections (CMEs), which could significantly impact planetary space environments. Observations of eruptions involving polar crown filaments, situated in the…

太阳与恒星天体物理 · 物理学 2024-08-29 Zheng Sun , Hui Tian , Ting Li , Rui Liu , Yadan Duan

We report on the Atmospheric Imaging Assembly (AIA) observations of plasma outflows originating in a coronal dimming during the 2015 April 28th filament eruption. After the filament started to erupt, two flare ribbons formed, one of which…

太阳与恒星天体物理 · 物理学 2021-01-20 Juraj Lörinčík , Jaroslav Dudík , Guillaume Aulanier , Brigitte Schmieder , Leon Golub

We investigate the early phase of the 13 February 2009 coronal mass ejection (CME). Observations with the twin STEREO spacecraft in quadrature allow us to compare for the first time in one and the same event the temporal evolution of…

太阳与恒星天体物理 · 物理学 2015-05-30 C. Miklenic , A. M. Veronig , M. Temmer , C. Möstl , H. K. Biernat

This study examines the relationship between early solar coronal mass ejection (CME) propagation, the associated filament eruption, and coronal dimming in the rare event observed on March 28, 2022, which featured a three-part CME in the low…

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

Multi-instrument observations of two filament eruptions on 24 February and 11 May 2011 suggest the following updated scenario for eruptive flare, CME and shock wave evolution. An initial destabilization of a filament results in stretching…

太阳与恒星天体物理 · 物理学 2014-11-05 V. V. Grechnev , A. M. Uralov , I. V. Kuzmenko , A. A. Kochanov , I. M. Chertok , S. S. Kalashnikov

A close association between eruptive prominences and CMEs, both slow and fast CMEs, was reported in many studies. Sometimes it is possible to follow the material motion starting from the prominence (filament) activation to the CME in the…

天体物理学 · 物理学 2015-05-13 Boris Filippov , Serge Koutchmy

We demonstrate that major asymmetries in erupting filaments and CMEs, namely major twists and non-radial motions are typically related to the larger-scale ambient environment around eruptive events. Our analysis of prominence eruptions…

太阳与恒星天体物理 · 物理学 2012-11-28 Olga Panasenco , Sara F. Martin , Marco Velli , Angelos Vourlidas

A solar eruptive event SOL2010-06-13 observed with SDO/AIA has been discussed in the contexts of the CME gebesis and an associated EUV transient in terms of a shock driven by the apparent CME rim. We have revealed in this event an erupting…

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

We report two sympathetic solar eruptions, including a partial and a full flux rope eruption in a quadrupolar magnetic region, where a large and a small filament resided above the middle and the east neutral lines respectively. The large…

太阳与恒星天体物理 · 物理学 2015-06-04 Yuandeng Shen , Yu Liu , Jiangtao Su
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