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This study aims to provide a reference to different magnetic field models and reconstruction methods for interplanetary coronal mass ejections (ICMEs). In order to understand the differences in the outputs of those models and codes, we…

Solar and Stellar Astrophysics · Physics 2015-06-11 N. Al-Haddad , T. Nieves-Chinchilla , N. P. Savani , C. Möstl , K. Marubashi , M. Hidalgo , I. I. Roussev , S. Poedts , C. J. Farrugia

We report on a numerical investigation of two coronal mass ejections (CMEs) which interact as they propagate in the inner heliosphere. We focus on the effect of the orientation of the CMEs relative to each other by performing four different…

Space Physics · Physics 2015-06-17 N. Lugaz , C. J. Farrugia , W. B. Manchester , N. Schwadron

The relative importance of different initiation mechanisms for coronal mass ejections (CMEs) on the Sun is uncertain. One possible mechanism is the loss of equilibrium of coronal magnetic flux ropes formed gradually by large-scale surface…

Solar and Stellar Astrophysics · Physics 2014-11-20 A. R. Yeates , G. D. R. Attrill , Dibyendu Nandy , D. H. Mackay , P. C. H. Martens , A. A. van Ballegooijen

We investigate the deflection and rotation behavior of 49 Earth-directed coronal mass ejections (CMEs) spanning the period from 2010 to 2020 aiming to understand the potential influence of coronal holes (CHs) on their trajectories. We…

Solar and Stellar Astrophysics · Physics 2026-04-30 Suresh Karuppiah , Mateja Dumbović , Karmen Martinić , Manuela Temmer , Stephan G. Heinemann , Bojan Vršnak

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 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…

Coronal mass ejections (CMEs) are the most dynamic phenomena in our solar system. They abruptly disrupt the continuous outflow of solar wind by expelling huge clouds of magnetized plasma into interplanetary space with velocities enabling to…

Solar and Stellar Astrophysics · Physics 2016-12-07 Manuela Temmer

Coronal Mass Ejections (CMEs) are energetic storms in the Sun that result in the ejection of large-scale magnetic clouds (MCs) in interplanetary space that contain enhanced magnetic fields with coherently changing field direction. The…

Solar and Stellar Astrophysics · Physics 2022-11-09 Sanchita Pal , Dibyendu Nandy , Emilia K J Kilpua

Coronal Mass Ejections (CMEs) are subject to changes in their direction of propagation, tilt, and other properties as they interact with the variable solar wind. We investigated the heliospheric propagation of 15 Earth-impacting CMEs…

Solar and Stellar Astrophysics · Physics 2024-11-05 Sandeep Kumar , Nandita Srivastava , Nat Gopalswamy , Ashutosh Dash

Coronal mass ejections (CMEs) are the largest type of eruptions on the Sun and the main driver of severe space weather at the Earth. In this study, we implement a force-free spheromak CME description within 3-D magnetohydrodynamic…

Solar and Stellar Astrophysics · Physics 2022-12-20 Gordon J. Koehn , Ravindra T. Desai , Emma E. Davies , Robert J. Forsyth , Jonathan P. Eastwood , Stefaan Poedts

Coronal mass ejections (CMEs) are energetic expulsions of organized magnetic features from the Sun. The study of CME quasi-periodicity helps establish a possible relationship between CMEs, solar flares, and geomagnetic disturbances. We used…

Solar and Stellar Astrophysics · Physics 2023-02-15 Xia Li , Hui Deng , Feng Wang , Linhua Deng , Ying Mei

A fundamental property of coronal mass ejections (CMEs) is their radial expansion, which determines the increase in the CME radial size and the decrease in the CME magnetic field strength as the CME propagates. CME radial expansion can be…

Solar and Stellar Astrophysics · Physics 2023-07-19 Bin Zhuang , Noé Lugaz , Nada Al-Haddad , Réka M. Winslow , Camilla Scolini , Charles J. Farrugia , Antoinette B. Galvin

Coronal mass ejections (CMEs) are the primary drivers of severe space weather disturbances in the heliosphere. Models of CME dynamics have been proposed that do not fully include the effects of magnetic reconnection on the forces driving…

Solar and Stellar Astrophysics · Physics 2018-07-20 Brian T. Welsch

We present a novel three-dimensional (3D) model of coronal mass ejections (CMEs) that unifies all key evolutionary aspects of CMEs and encapsulates their 3D magnetic field configuration. This fully analytic model is capable of reproducing…

Space Physics · Physics 2017-03-07 Alexey Isavnin

Measurements of coronal mass ejections (CMEs) by multiple spacecraft at small radial separations but larger longitudinal separations is one of the ways to learn about the three-dimensional structure of CMEs. Here, we take advantage of the…

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

Solar Coronal mass ejections (CMEs) are large-scale ejections of plasma and magnetic field from the corona, which propagate through interplanetary space. CMEs are the most significant drivers of adverse space weather on Earth, but the…

Solar and Stellar Astrophysics · Physics 2012-10-22 Shane Maloney

Understanding the properties, especially the magnetohydrodynamic (MHD) invariants, of coronal mass ejections (CMEs) measured in-situ is key to bridging the CME properties from the Sun to interplanetary space. In order to investigate CMEs…

The near-Sun kinematics of coronal mass ejections (CMEs) determine the severity and arrival time of associated geomagnetic storms. We investigate the relationship between the deprojected speed and kinetic energy of CMEs and magnetic…

Solar and Stellar Astrophysics · Physics 2018-09-19 Sanchita Pal , Dibyendu Nandy , Nandita Srivastava , Nat Gopalswamy , Suman Panda

In this study, we analyze nine CMEs from the Sun to Earth as observed in both the remote sensing and in situ data sets. To date, this is the largest study of Earth impacting CMEs using the multi-view point remote sensing and in situ data.…

Solar and Stellar Astrophysics · Physics 2012-06-20 Robin C. Colaninno
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