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0037-9565 1783-5720

 

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Ramesh Chandra, Pooja Devi, P. F. Chen, Brigitte Schmieder, Reetika Joshi, Bhuwan Joshi & Arun Kumar Awasthi

Observational Characteristics of Solar EUV Waves

(Volume 93 - Année 2024 — No 2 - Proceeedings of the 3rd BINA Workshop on the Scientific Potential of the Indo-Belgian Cooperation)
DOI: 10.25518/0037-9565.11938
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Open Access

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Abstract

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−1 to several 1000 km s−1. They are often associated with solar filament eruptions, flares, and/or coronal mass ejections (CMEs). EUV waves exhibit various features, including wave and non-wave components, stationary fronts, reflection, refraction, and mode conversion. Additionally, they can hit the nearby coronal loops and filaments/prominences during their propagation, triggering oscillations. These oscillations in loops and filaments/prominences enable us to diagnose coronal parameters such as the strength of the coronal magnetic field. In this article, we present the different observed features of the EUV waves along with existing models.

Keywords : EUV waves, coronal mass ejections, coronal oscillations

Para citar este artículo

Ramesh Chandra, Pooja Devi, P. F. Chen, Brigitte Schmieder, Reetika Joshi, Bhuwan Joshi & Arun Kumar Awasthi, «Observational Characteristics of Solar EUV Waves», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 93 - Année 2024, No 2 - Proceeedings of the 3rd BINA Workshop on the Scientific Potential of the Indo-Belgian Cooperation, 962-982 URL : http://popups.ulg.be/0037-9565/index.php?id=11938.

Acerca de: Ramesh Chandra

Department of Physics, DSB Campus, Kumaun University, Nainital 263 001, India. Corresponding author: rchandra.ntl@gmail.com

Acerca de: Pooja Devi

Department of Physics, DSB Campus, Kumaun University, Nainital 263 001, India

Acerca de: P. F. Chen

School of Astronomy & Space Science and Key Laboratory of Modern Astronomy and Astrophysics, Nanjing University, Nanjing 210023, China

Acerca de: Brigitte Schmieder

LESIA, Observatoire de Paris, CNRS, 92290 Meudon Principal Cedex, France and Centre for Mathematical Plasma Astrophysics, Department of Mathematics, KU Leuven, 3001 Leuven, Belgium

Acerca de: Reetika Joshi

Rosseland Centre for Solar Physics, University of Oslo, N-0315 Oslo, Norway and Institute of Theoretical Astrophysics, University of Oslo, N-0315 Oslo, Norway

Acerca de: Bhuwan Joshi

Udaipur Solar Observatory, Physical Research Laboratory, Udaipur 313004, India

Acerca de: Arun Kumar Awasthi

Space Research Centre, Polish Academy of Sciences, Bartycka 18A, 00-716 Warsaw, Poland