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Related papers: Large-scale Coronal Propagating Fronts in Solar Er…

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Large-scale, wave-like disturbances in extreme-ultraviolet (EUV) and type II radio bursts are often associated with coronal mass ejections (CMEs). Both phenomena may signify shock waves driven by CMEs. Taking EUV full-disk images at an…

Solar and Stellar Astrophysics · Physics 2015-06-22 Nariaki V. Nitta , Wei Liu , Nat Gopalswamy , Seiji Yashiro

``EIT waves" are large-scale coronal bright fronts (CBFs) that were first observed in 195 \AA\ images obtained using the Extreme-ultraviolet Imaging Telescope (EIT) onboard the \emph{Solar and Heliospheric Observatory (SOHO)}. Commonly…

Solar and Stellar Astrophysics · Physics 2015-05-19 Peter T. Gallagher , David M. Long

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

Large-scale propagating fronts are frequently observed during solar eruptions, yet it is open whether they are waves or not, partly because the propagation is modulated by coronal structures, whose magnetic field we still cannot measure.…

Solar and Stellar Astrophysics · Physics 2019-01-04 Rui Liu , Yuming Wang , Jeongwoo Lee , Chenglong Shen

A leading theory of sunquake generation involves flare-accelerated particles depositing energy into the photosphere. Simulations of sunquake excitation suggest co-excitation with wavefronts propagating in the corona and chromosphere,…

Solar and Stellar Astrophysics · Physics 2026-05-26 Robert Bush , John Stefan , Alexander Kosovichev

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

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

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…

Solar and Stellar Astrophysics · Physics 2014-05-07 Wei Liu , Leon Ofman

Coronal bright fronts (CBFs) are large scale wavefronts that propagate though the solar corona at hundreds of kilometers per second. While their kinematics have been studied in detail, many questions remain regarding the temporal evolution…

Solar and Stellar Astrophysics · Physics 2015-05-30 David M. Long , Edward E. DeLuca , Peter T. Gallagher

Coronal "EIT waves" appear as EUV bright fronts propagating across a significant part of the solar disk. The intriguing phenomenon provoked continuing debates on their nature and their relation with coronal mass ejections (CMEs). In this…

Solar and Stellar Astrophysics · Physics 2011-08-29 P. F. Chen , C. Fang

Globally-propagating coronal bright fronts (CBFs) in the solar corona are among the most dramatic manifestations of solar activity, but are not well understood despite strong links with both solar flares and coronal mass ejections. Extreme…

Solar and Stellar Astrophysics · Physics 2012-02-21 David M. Long

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

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

For the first time, we report a large-scale wave that was observed simultaneously in the photosphere, chromosphere, transition region and low corona layers of the solar atmosphere. Using the high temporal and high spatial resolution…

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

The shape and dynamics of coronal mass ejections (CMEs) vary significantly based on the instrument and wavelength used. This has led to significant debate about the proper definitions of CME/shock fronts, pile-up/compression regions, and…

Solar and Stellar Astrophysics · Physics 2025-08-27 Oleg Stepanyuk , Kamen Kozarev

"EIT waves" are a globally propagating wavelike phenomenon. They were often interpreted as a fast-mode magnetoacoustic wave in the corona, despite various discrepancies between the fast-mode wave model and observations. To reconcile these…

Solar and Stellar Astrophysics · Physics 2011-04-18 P. F. Chen , Y. Wu

Context: Solar eruptions, such as coronal mass ejections (CMEs), are often accompanied by accelerated electrons that can in turn emit radiation at radio wavelengths. This radiation is observed as solar radio bursts. The main types of bursts…

Solar and Stellar Astrophysics · Physics 2021-03-31 D. E. Morosan , A. Kumari , E. K. J. Kilpua , A. Hamini

Solar coronal mass ejections (CMEs) are large-scale eruptions of plasma and magnetic field from the Sun into the corona and interplanetary space. They are the most significant drivers of adverse space weather at Earth and other locations in…

Solar and Stellar Astrophysics · Physics 2012-02-20 Jason P. Byrne

We explore the link between solar energetic particles (SEPs) observed at 1 AU and large-scale disturbances propagating in the solar corona, named after the Extreme ultraviolet Imaging Telescope (EIT) as EIT waves, which trace the lateral…

Solar and Stellar Astrophysics · Physics 2015-06-18 R. Miteva , K. -L. Klein , I. Kienreich , M. Temmer , A. Veronig , O. E. Malandraki

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…

Solar and Stellar Astrophysics · Physics 2024-04-02 V. Vasanth
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