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

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Coronal mass ejections (CMEs) and solar energetic particles (SEPs) are two phenomena that can cause severe space weather effects throughout the heliosphere. The evolution of CMEs, especially in terms of their magnetic structure, and the…

The LASCO coronagraphs, in continuous operation since 1995, have observed the evolution of the solar corona and coronal mass ejections (CMEs) over a full solar cycle with high quality images and regular cadence. This is the first time that…

Solar and Stellar Astrophysics · Physics 2015-05-19 Angelos Vourlidas , Russ A. Howard , Ed Esfandiari , Spiros Patsourakos , Seiji Yashiro , Gregorz Michalek

Coronal Mass Ejections (CMEs) are space weather phenomena capable of causing significant disruptions to both space- and ground-based infrastructure. The timely and accurate detection and prediction of CMEs is a crucial steps towards…

Solar and Stellar Astrophysics · Physics 2025-10-16 Maike Bauer , Justin Le Louëdec , Tanja Amerstorfer , Luke Barnard , David Barnes , Helmut Lammer

Coronal Mass Ejections (CMEs) are subject to changes in their direction of propagation, tilt, and other properties. This is because CMEs interact with the ambient solar wind and other large-scale magnetic field structures. In this work, we…

Solar and Stellar Astrophysics · Physics 2023-10-09 Sandeep Kumar , Dinesha V. Hegde , Nandita Srivastava , Nikolai V. Pogorelov , Nat Gopalswamy , Seiji Yashiro

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…

Solar and Stellar Astrophysics · Physics 2024-11-13 Laura A. Hayes , Säm Krucker , Hannah Collier , Daniel Ryan

A discrete tomography method has been developed that is able to reconstruct three-dimensional coronal mass ejection (CME) density structure. We test the method by producing synthetic coronagraph imagery for three events using the…

Coronal mass ejections (CMEs) are the eruptions of magnetised plasma from the Sun and are considered the main driver of adverse space weather events. Hence, undrstanding its formation process, particularly the magnetic topology, is critical…

Solar and Stellar Astrophysics · Physics 2025-02-26 Jinhan Guo , Y. W. Ni , B. Schmieder , Y. Guo , C. Xia , P. Devi , R. Chandra , S. Poedts , R. Joshi , Y. H. Zhou , H. T. Li , P. F. Chen

Visible-light observations of Coronal Mass Ejections (CMEs) performed with coronagraphs and heliospheric imagers (in primis on board the SOHO and STEREO missions) have offered so far the best way to study the kinematics and geometrical…

Solar and Stellar Astrophysics · Physics 2016-10-19 R. Susino , A. Bemporad

In 2010 May 23-24, SDO observed the launch of two successive coronal mass ejections (CMEs), which were subsequently tracked by the SECCHI suite onboard STEREO. Using the COR2 coronagraphs and the heliospheric imagers (HIs), the initial…

Space Physics · Physics 2015-06-11 N. Lugaz , C. J. Farrugia , J. A. Davies , C. Möstl , C. J. Davis , I. I. Roussev , M. Temmer

Coronal mass ejections (CMEs) are relatively a recently-discovered phenomenon, in 1971, some fifteen years into the Space Era. It took another two decades to realize that CMEs are the most important players in solar terrestrial relationship…

Solar and Stellar Astrophysics · Physics 2016-03-08 Nat Gopalswamy

Coronal mass ejections (CMEs) are large-scale eruptions of plasma and magnetic feld that can produce adverse space weather at Earth and other locations in the Heliosphere. Due to the intrinsic multiscale nature of features in coronagraph…

Solar and Stellar Astrophysics · Physics 2011-04-25 Peter T. Gallagher , C. Alex Young , Jason P. Byrne , R. T. James McAteer

We investigate how coronal mass ejections (CMEs) propagate through, and interact with, the inner heliosphere between the Sun and Earth, a key question in CME research and space weather forecasting. CME Sun-to-Earth kinematics are…

Solar and Stellar Astrophysics · Physics 2015-06-15 Ying D. Liu , Janet G. Luhmann , Noé Lugaz , Christian Möstl , Jackie A. Davies , Stuart D. Bale , Robert P. Lin

The geo-effectiveness of Coronal Mass Ejections (CMEs) is a critical area of study in space weather, particularly in the lesser-explored domain of CME-CME interactions and their geomagnetic consequences. This study leverages the SWASTi…

Solar and Stellar Astrophysics · Physics 2024-10-01 Prateek Mayank , Stefan Lotz , Bhargav Vaidya , Wageesh Mishra , D. Chakrabarty

Coronal Mass Ejections (CMEs) are the main drivers of the disturbances in interplanetary space. Understanding the CME interior magnetic structure is crucial for advancing space weather studies. Assessing the capabilities of a numerical…

Solar and Stellar Astrophysics · Physics 2024-09-11 Tinatin Baratashvili , Benjamin Grison , Brigitte Schmieder , Pascal Demoulin , Stefaan Poedts

We identify coronal mass ejections (CMEs) associated with magnetic clouds (MCs) observed near Earth by the Wind spacecraft from 2008 to mid-2012, a time period when the two STEREO spacecraft were well positioned to study Earth-directed…

Aims.We aim to locate the origin of a stealth coronal mass ejection (CME) detected in situ by the MAG instrument on board Solar Orbiter, and make connections between the CME observed at the Sun, and the interplanetary CME (ICME) measured in…

This paper provides an update on the coronal mass ejection (CME) catalog maintained at the CDAW Data Center, NASA Goddard Space Flight Center (https://cdaw.gsfc.nasa.gov/CME_list). This is version 2 (v2) of the Catalog that has been made as…

Solar and Stellar Astrophysics · Physics 2025-01-09 Nat Gopalswamy , Grzegorz Michałek , Seiji Yashiro , Pertti Mäkelä , Sachiko Akiyama , Hong Xie , Angelos Vourlidas

We present the study of two solar eruptive events observed on December 7 2020 and October 28 2021.Both events were associated with full halo CMEs and flares.These events were chosen because they show a strong non-radial direction of…

Solar and Stellar Astrophysics · Physics 2024-07-25 Angelos Valentino , Jasmina Magdalenic

Coronal Mass Ejections (CMEs) are one of the primary drivers of extreme space weather. They are large eruptions of mass and magnetic field from the solar corona and can travel the distance between Sun and Earth in half a day to a few days.…

Solar and Stellar Astrophysics · Physics 2020-05-13 Talwinder Singh , Mehmet S. Yalim , Nikolai V. Pogorelov , Nat Gopalswamy

We present the first statistical study of geomagnetic storm forecasting using in situ data from the STEREO-A spacecraft as a sub-L1 monitor. Between November 2022 and June 2024, STEREO-A crossed the Sun-Earth line, covering longitudinal and…

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