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Related papers: A Multi-viewpoint CME Catalog Based on SoloHI Obse…

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Coronal and interplanetary shock waves produced by coronal mass ejections (CMEs) are major drivers of space-weather phenomena, inducing major changes in the heliospheric radiation environment and directly perturbing the near-Earth…

Solar and Stellar Astrophysics · Physics 2023-04-12 Manon Jarry , Alexis P. Rouillard , Illya Plotnikov , Athanasios Kouloumvakos , Alexander Warmuth

Coronal mass ejections (CMEs) are explosive events that occur basically daily on the Sun. It is thought that these events play a crucial role in the angular momentum and mass loss of late-type stars, and also shape the environment in which…

Solar and Stellar Astrophysics · Physics 2017-09-20 Heidi Korhonen , Krisztian Vida , Martin Leitzinger , Petra Odert , Orsolya Eszter Kovacs

The recent developments in space instrumentation for solar observations and telemetry have caused the necessity of advanced pattern recognition tools for the different classes of solar events. The Extreme ultraviolet Imaging Telescope (EIT)…

Solar and Stellar Astrophysics · Physics 2015-05-27 Olena Podladchikova , Anatoly Vuets , Pavel Leontiev , Ronald Van der Linden

Large SEPs can cause adverse space weather hazard to humans technology and such events are especially associated with halo coronal mass ejections (CMEs). But in turn, a significant portion of halo-CMEs are not associated with large SEPs.…

Solar and Stellar Astrophysics · Physics 2025-06-30 Xuchun Duan , Ting Li , Yijun Hou , Yang Wang , Yue Li , Yining Zhang , Zheng Sun , Guiping Zhou

Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather predictions has expanded to include impacts at other planets…

Coronal mass ejections (CMEs) are large-scale ejections of magnetized plasma from the Sun and are associated with the most extreme space weather events. The geoeffectiveness of a CME is primarily determined by the southward component of its…

Solar and Stellar Astrophysics · Physics 2024-07-09 Devojyoti Kansabanik , Angelos Voulidas

Being able to accurately predict the arrival of coronal mass ejections (CMEs) at Earth has been a long-standing problem in space weather research and operations. In this study, we use the ELlipse Evolution model based on Heliospheric Images…

Coronal mass ejections (CMEs) represent one type of the major eruption from the Sun. Their interplanetary counterparts, the interplanetary CMEs (ICMEs), are the direct manifestations of these structures when they propagate into the…

Solar and Stellar Astrophysics · Physics 2021-07-06 Qiang Hu , Wen He , Lingling Zhao , Edward Lu

On February 12, 2021 two subsequent eruptions occurred above the West limb, as seen along the Sun-Earth line. The first event was a typical slow Coronal Mass Ejection (CME), followed $\sim 7$ hours later by a smaller and collimated…

Improving predictions of the geomagnetic impact of coronal mass ejections (CMEs) requires understanding how solar source properties relate to in-situ measurements at Earth. However, major geomagnetic storms frequently arise from interacting…

Solar and Stellar Astrophysics · Physics 2026-04-09 Rui Wang , Huidong Hu , Xiaowei Zhao , Chong Chen , Suli Ma , Zhongwei Yang , Lei Lu , Li Feng , Wenshuai Cheng , Chong Huang , Quan Wang , Xiaoshuai Zhu , Bei Zhu , Yiming Jiao

We present a study of coronal mass ejections (CMEs) which impacted one of the STEREO spacecraft between January 2008 and early 2010. We focus our study on 20 CMEs which were observed remotely by the Heliospheric Imagers (HIs) onboard the…

Solar and Stellar Astrophysics · Physics 2012-09-12 N. Lugaz , P. Kintner , C. Moestl , L. K. Jian , C. J. Davis , C. J. Farrugia

The diffuse morphology and transient nature of coronal mass ejections (CMEs) make them difficult to identify and track using traditional image processing techniques. We apply multiscale methods to enhance the visibility of the faint CME…

Solar and Stellar Astrophysics · Physics 2009-02-20 Jason P. Byrne , Peter T. Gallagher , R. T. James McAteer , C. Alex Young

We present a statistical study of dynamical and kinetic characteristics of CMEs which show temporal and spatial association with flares and type II radio bursts or complex radio events of type II bursts and type IV continua. This study is…

Solar and Stellar Astrophysics · Physics 2010-09-24 M. Georgiou , E. Mitsakou , G. Pothitakis , A. Hillaris , P. Preka-Papadema , X. Moussas

Context. We study two coronal mass ejections (CMEs) observed between April 1-2, 2019 by both the inner Wide-Field Imager for Parker Solar Probe (WISPR-I) and the inner heliospheric imager (HI-1) on board STEREO-A. This is the first study of…

Solar and Stellar Astrophysics · Physics 2021-06-02 Carlos Roberto Braga , Angelos Vourlidas

How to properly understand coronal mass ejections (CMEs) viewed in white-light coronagraphs is crucial to many relative researches in solar and space physics. The issue is now particularly addressed in this paper through studying the source…

Solar and Stellar Astrophysics · Physics 2011-04-12 Yuming Wang , Caixia Chen , Bin Gui , Chenglong Shen , Pinzhong Ye , S. Wang

Coronal mass ejections (CMEs), which dynamically connect the solar surface to the far reaches of interplanetary space, represent a major anifestation of solar activity. They are not only of principal interest but also play a pivotal role in…

Solar and Stellar Astrophysics · Physics 2015-03-09 Jens Kleimann

Predicting the impacts of coronal mass ejections (CMEs) is a major focus of current space weather forecasting efforts. Typically, CME properties are reconstructed from stereoscopic coronal images and then used to forward model a CME's…

Solar and Stellar Astrophysics · Physics 2024-04-05 C. Kay , E. Palmerio

The different appearances exhibited by coronal mass ejections (CMEs) are believed to be in part the result of different orientations of their main axis of symmetry, consistent with a flux-rope configuration. There are observational reports…

Solar and Stellar Astrophysics · Physics 2016-07-26 I. Cabello , H. Cremades , L. Balmaceda , I. Dohmen

The SECCHI instruments aboard the recently launched STEREO spacecraft enable for the first time the continuous tracking of coronal mass ejections (CMEs) from the Sun to 1 AU. We analyze line-of-sight observations of the January 24-25, 2007…

Space Physics · Physics 2009-05-18 N. Lugaz , A. Vourlidas , I. I. Roussev , H. Morgan

Geomagnetic storms are an important aspect of space weather and can result in significant impacts on space- and ground-based assets. The majority of strong storms are associated with the passage of interplanetary coronal mass ejections…