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We present a statistical analysis of 60 strong large-scale EUV wave events that occurred during January 2007 to February 2011 with the STEREO twin spacecraft regarding their kinematical evolution and wave pulse characteristics. For the…

Solar and Stellar Astrophysics · Physics 2015-06-22 Nicole Muhr , Astrid Maria Veronig , Ines Waltraud Kienreich , Bojan Vrsnak , Manuela Temmer , Bianca Maria Bein

EUV waves are large-scale disturbances in the solar corona initiated by coronal mass ejections. However, solar EUV images show only the wave fronts projections along the line-of-sight of the spacecraft. We perform 3D reconstructions of EUV…

Solar and Stellar Astrophysics · Physics 2019-06-05 Tatiana Podladchikova , Astrid M. Veronig , Karin Dissauer , Manuela Temmer , Olena Podladchikova}

We present first observations of a dome-shaped large-scale EUV coronal wave, recorded by the EUVI instrument onboard STEREO-B on January 17, 2010. The main arguments that the observed structure is the wave dome (and not the CME) are: a) the…

Solar and Stellar Astrophysics · Physics 2015-05-18 A. M. Veronig , N. Muhr , I. W. Kienreich , M. Temmer , B. Vrsnak

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)…

Solar and Stellar Astrophysics · Physics 2015-05-28 Suli Ma , John C. Raymond , Leon Golub , Jun Lin , Huadong Chen , Paolo Grigis , Paola Testa , David Long

One of the most dramatic manifestations of solar activity are large-scale coronal bright fronts (CBFs) observed in extreme ultraviolet (EUV) images of the solar atmosphere. To date, the energetics and kinematics of CBFs remain poorly…

Solar and Stellar Astrophysics · Physics 2015-05-27 David M. Long , Peter T. Gallagher , R. T. James McAteer , D. Shaun Bloomfield

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…

Solar and Stellar Astrophysics · Physics 2015-06-05 Yuandeng Shen , Yu Liu

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…

Solar and Stellar Astrophysics · Physics 2023-10-20 Ramesh Chandra , Pooja Devi , P. F. Chen , Brigitte Schmieder , Reetika Joshi , Bhuwan Joshi , Arun Kumar Awasthi

On 13 February 2009, a coronal wave -- CME -- dimming event was observed in quadrature by the STEREO spacecraft. We analyze this event using a three-dimensional, global magnetohydrodynamic (MHD) model for the solar corona. The numerical…

Solar and Stellar Astrophysics · Physics 2014-11-20 Ofer Cohen , Gemma D. R. Attrill , Ward B. Manchester , Meredith J. Wills-Davey

We investigate the interaction of three consecutive large-scale coronal waves with a polar coronal hole, simultaneously observed on-disk by the Solar TErrestrial Relations Observatory (STEREO)-A spacecraft and on the limb by the PRoject for…

Solar and Stellar Astrophysics · Physics 2012-05-01 Ines Waltraud Kienreich , Nicole Muhr , Astrid Veronig , David Berghmans , Anik de Groof , Manuela Temmer , Bojan Vršnak , Dan Seaton

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…

Solar and Stellar Astrophysics · Physics 2016-10-26 Karin Dissauer , Manuela Temmer , Astrid M. Veronig , Kamalam Vanninathan , Jasmina Magdalenić

We study the kinematical characteristics and 3D geometry of a large-scale coronal wave that occurred in association with the 26 April 2008 flare-CME event. The wave was observed with the EUVI instruments aboard both STEREO spacecraft…

Solar and Stellar Astrophysics · Physics 2015-05-27 M. Temmer , A. M. Veronig , N. Gopalswamy , S. Yashiro

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…

Solar and Stellar Astrophysics · Physics 2015-06-03 X. Cheng , J. Zhang , O. Olmedo , A. Vourlidas , M. D. Ding , Y. Liu

Coronal extreme-ultraviolet (EUV) waves are large-scale disturbances propagating in the corona, whose physical nature and origin have been discussed for decades. We report the first three dimensional (3D) radiative magneto-hydrodynamic…

Solar and Stellar Astrophysics · Physics 2021-04-21 Can Wang , Feng Chen , Mingde Ding

We report quadrature observations of an extreme-ultraviolet (EUV) wave event on 2011 January 27 obtained by the Extreme Ultraviolet Imager (EUVI) onboard \emph{Solar Terrestrial Relations Observatory} (\emph{STEREO}), and the Atmospheric…

Solar and Stellar Astrophysics · Physics 2015-06-11 Y. Dai , M. D. Ding , P. F. Chen , J. Zhang

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…

Solar and Stellar Astrophysics · Physics 2024-11-19 Huidong Hu , Bei Zhu , Ying D. Liu , Chong Chen , Rui Wang , Xiaowei Zhao

Recurrent, arc-shaped intensity disturbances were detected by EUV channels in an active region. The fronts were observed to propagate along a coronal loop bundle rooted in a small area within a sunspot umbra. Previous works have linked…

Solar and Stellar Astrophysics · Physics 2022-11-02 M. V. Sieyra , S. Krishna Prasad , G. Stenborg , E. Khomenko , T. Van Doorsselaere , A. Costa , A. Esquivel , J. M. Riedl

The kinematics of a globally propagating disturbance (also known as an ``EIT wave") is discussed using Extreme UltraViolet Imager (EUVI) data Solar Terrestrial Relations Observatory (STEREO). We show for the first time that an impulsively…

Astrophysics · Physics 2009-11-13 David M. Long , Peter T. Gallagher , R. T. James McAteer , D. Shaun Bloomfield

In this study, we present the observations of extreme-ultraviolet (EUV) waves associated with an M6.5 flare on 2013 April 11. The event was observed by Solar Dynamics Observatory (SDO) in different EUV channels. The flare was also…

Solar and Stellar Astrophysics · Physics 2019-05-22 Aarti Fulara , Ramesh Chandra , P. F. Chen , Ivan Zhelyazkov , A. K. Srivastava , Wahab Uddin

The nature of CME-associated low corona propagating disturbances, 'EUV waves', has been controversial since their discovery by EIT on \textit{SOHO}. The low cadence, single viewpoint EUV images and the lack of simultaneous inner corona…

Solar and Stellar Astrophysics · Physics 2015-05-13 S. Patsourakos , A. Vourlidas

We present SDO/AIA observations of the interaction of a global EUV wave on 2011 June 7 with active regions (ARs), coronal holes (CHs) and coronal bright structures. The primary global wave has a three-dimensional dome shape, with…

Solar and Stellar Astrophysics · Physics 2015-06-03 Ting Li , Jun Zhang , Shuhong Yang , Wei Liu
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