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We present a case study for the global extreme ultraviolet (EUV) wave and its chromospheric counterpart `Moreton-Ramsey wave' associated with the second X-class flare in Solar Cycle 25 and a halo coronal mass ejection (CME). The EUV wave…

Extreme ultraviolet (EUV) waves, spectacular horizontally propagating disturbances in the low solar corona, always trigger horizontal secondary waves (SWs) when they encounter ambient coronal structure. We present a first example of upward…

太阳与恒星天体物理 · 物理学 2018-05-02 Ruisheng Zheng , Yao Chen , Shiwei Feng , Bing Wang , Hongqiang Song

Extreme-ultraviolet (EUV) waves are one of the large-scale phenomena on the Sun. They are defined as large propagating fronts in the low corona with speeds ranging from a few tens km/s to a multiple of 1000 km/s. They are often associated…

太阳与恒星天体物理 · 物理学 2023-10-20 Ramesh Chandra , Pooja Devi , P. F. Chen , Brigitte Schmieder , Reetika Joshi , Bhuwan Joshi , Arun Kumar Awasthi

Global extreme ultraviolet (EUV) waves are spectacular traveling disturbances in the solar corona associated with energetic eruptions such as coronal mass ejections (CMEs) and flares. Over the past 15 years, observations from three…

太阳与恒星天体物理 · 物理学 2014-05-07 Wei Liu , Leon Ofman

We present an investigation of the Extreme-Ultraviolet (EUV) wave linked to the flare that occurred on 28 October 2021, along with the associated coronal loop oscillation and type II radio burst. The EUV wave was observed by multi-viewpoint…

太阳与恒星天体物理 · 物理学 2025-07-03 Pooja Devi , Ramesh Chandra , Arun Kumar Awasthi , Brigitte Schmieder , Reetika Joshi

Extreme Ultraviolet (EUV) waves have been found for about 15 years. However, significant controversy remains over their physical natures and origins. In this paper, we report an EUV wave that was accompanied by an X1.9 flare and a partial…

太阳与恒星天体物理 · 物理学 2015-06-05 Yuandeng Shen , Yu Liu

Solar eruptive events, including solar flares and coronal mass ejections (CMEs), are typically characterised by energetically significant X-ray emissions from flare-accelerated electrons and hot thermal plasmas. Occulted events, where the…

太阳与恒星天体物理 · 物理学 2024-11-13 Laura A. Hayes , Säm Krucker , Hannah Collier , Daniel Ryan

We present observations of a powerful solar eruption, accompanied by an X8.2 solar flare, from NOAA Active Region 12673 on 2017 September 10 by the Solar Ultraviolet Imager (SUVI) on the GOES-16 spacecraft. SUVI is noteworthy for its…

太阳与恒星天体物理 · 物理学 2018-01-10 Daniel B. Seaton , Jonathan M. Darnel

We investigate the high-speed ($v >$ 1000 km s$^{-1}$) extreme-ultraviolet (EUV) wave associated with an X1.2 flare and coronal mass ejection (CME) from NOAA active region 11283 on 2011 September 6 (SOL2011-09-06T22:12). This EUV wave…

太阳与恒星天体物理 · 物理学 2016-10-26 Karin Dissauer , Manuela Temmer , Astrid M. Veronig , Kamalam Vanninathan , Jasmina Magdalenić

We investigate a global extreme-ultraviolet (EUV) wave associated with a coronal mass ejection (CME)-driven shock on 2017 September 10. The EUV wave is transmitted by north- and south-polar coronal holes (CHs), which is observed by the…

太阳与恒星天体物理 · 物理学 2019-06-26 Huidong Hu , Ying D. Liu , Bei Zhu , Hardi Peter , Wen He , Rui Wang , Zhongwei Yang

We select and investigate six global solar extreme-ultraviolet (EUV) wave events using data from the Solar Dynamics Observatory and the Solar and Heliospheric Observatory. These eruptions are all on the limb but recorded as halo coronal…

太阳与恒星天体物理 · 物理学 2024-11-19 Huidong Hu , Bei Zhu , Ying D. Liu , Chong Chen , Rui Wang , Xiaowei Zhao

Extreme ultraviolet (EUV) waves are impressive coronal propagating disturbances. They are closely associated with various eruptions, and can used for the global coronal seismology and the acceleration of solar energetic particles. Hence,…

太阳与恒星天体物理 · 物理学 2020-05-27 Ruisheng Zheng , Yao Chen , Bing Wang , Hongqiang Song

Context. Solar extreme ultraviolet (EUV) waves are propagating disturbances in the corona, and they usually accompany with various solar eruptions, from large-scale coronal mass ejections to small-scale coronal jets. Aims. Generally, it is…

太阳与恒星天体物理 · 物理学 2023-06-21 Yihan Liu , Ruisheng Zheng , Liang Zhang , Hengyuan Wei , Ze Zhong , Shuhong Yang , Yao Chen

We present and interpret the observations of extreme ultraviolet (EUV) waves associated with a filament eruption on 2011 May 11.The filament eruption also produces a small B-class two ribbon flare and a coronal mass ejection (CME). The…

太阳与恒星天体物理 · 物理学 2016-05-25 R. Chandra , P. F. Chen , A. Fulara , A. K. Srivastava , W. Uddin

Taking advantage of both the high temporal and spatial resolution of the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO), we studied a limb coronal shock wave and its associated extreme ultraviolet (EUV)…

太阳与恒星天体物理 · 物理学 2015-05-28 Suli Ma , John C. Raymond , Leon Golub , Jun Lin , Huadong Chen , Paolo Grigis , Paola Testa , David Long

This paper presents a detailed study of the type II solar radio burst that occurred on 06 March 2014 using combined data analysis. It is a classical radio event consisting of type III radio burst and a following type II radio burst in the…

太阳与恒星天体物理 · 物理学 2024-04-02 V. Vasanth

Solar extreme ultraviolet (EUV) waves are spectacular propagating disturbances with EUV enhancements in annular shapes in the solar corona. These EUV waves carry critical information about the coronal magnetised plasma that can shed light…

太阳与恒星天体物理 · 物理学 2022-04-20 Ruisheng Zheng , Bing Wang , Liang Zhang , Yao Chen , Robertus Erdelyi

We address the nature of EUV waves through direct observations of the formation of a diffuse wave driven by the expansion of a coronal mass ejection (CME) and its subsequent separation from the CME front. The wave and the CME on 2011 June 7…

太阳与恒星天体物理 · 物理学 2015-06-03 X. Cheng , J. Zhang , O. Olmedo , A. Vourlidas , M. D. Ding , Y. Liu

Since the launch of NASA's Solar Dynamics Observatory on 2010 February 11, the Extreme ultraviolet Variability Experiment (EVE) has observed numerous flares. One interesting feature observed by EVE is that a subset of flares exhibit an…

太阳与恒星天体物理 · 物理学 2012-02-23 R. A. Hock , T. N. Woods , J. A. Klimchuk , F. G. Eparvier , A. R. Jones

We present SDO/AIA observation of three types of fast-mode propagating magnetosonic waves in a GOES C3.0 flare on 2013 April 23, which was accompanied by a prominence eruption and a broad coronal mass ejection (CME). During the fast rising…

太阳与恒星天体物理 · 物理学 2021-11-24 Xinping Zhou , Yuandeng Shen , Jiangtao Su , Zehao Tang , Chengrui Zhou , Yadan Duan , Song Tan
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