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Related papers: Effect of the Heliospheric State on CME Evolution

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While flare-associated CMEs generally show a strong association between flare X-ray flux and CME kinematics, their volumetric evolution and its link to both kinematics and flare activity remains less explored. In this study, we investigate…

Solar and Stellar Astrophysics · Physics 2026-05-05 Ashutosh Pattnaik , Nat Gopalswamy , Ranadeep Sarkar , Hong Xie , Sachiko Akiyama , Grzegorz Michalek

This work studies the kinematics of the leading edge and the core of 6 Coronal Mass Ejections (CMEs) in the combined field of view of Sun Watcher using Active Pixel System detector and Image Processing (SWAP) on-board PRoject for On-Board…

A method for the full three-dimensional (3-D) reconstruction of the trajectories of coronal mass ejections (CMEs) using Solar TErrestrial RElations Observatory (STEREO) data is presented. Four CMEs that were simultaneously observed by the…

Solar and Stellar Astrophysics · Physics 2009-05-14 Shane A. Maloney , Peter T. Gallagher , R. T. James McAteer

Understanding the propagation of coronal mass ejections (CMEs) through interplanetary space is essential for space weather forecasting. Due to observational limitations, measurements of the photospheric polar magnetic fields remain highly…

Solar and Stellar Astrophysics · Physics 2026-03-06 Xiao Zhang , Liping Yang , Xueshang Feng , Hui Tian , Mengxuan Ma , Fang Shen , Jiansen He , Man Zhang , Yufen Zhou , Ziwei Wang , Xinyi Ma , Wangning Zhang

The primary objective of this study is to connect the coronal mass ejections (CMEs) to their source regions, primarily creating a CME source region (CSR) catalogue, and secondly probing into the influence the source regions have on…

Solar and Stellar Astrophysics · Physics 2023-10-27 Satabdwa Majumdar , Ritesh Patel , Vaibhav Pant , Dipankar Banerjee , Aarushi Rawat , Abhas Pradhan , Paritosh Singh

Although all coronal mass ejections (CMEs) that propagate into the heliosphere should contain a magnetic flux rope (MFR) component, the majority do not exhibit the expected white-light MFR morphology of a leading edge plus cavity. This…

Solar and Stellar Astrophysics · Physics 2025-06-11 Cecilia Mac Cormack , Abril Sahade , Angelos Vourlidas , Phillip Hess , Robin Colaninno , Teresa Nieves-Chinchilla

Similar to the Sun, other stars shed mass and magnetic flux via ubiquitous quasi-steady wind and episodic stellar coronal mass ejections (CMEs). We investigate the mass loss rate via solar wind and CMEs as a function of solar magnetic…

Solar and Stellar Astrophysics · Physics 2019-04-23 Wageesh Mishra , Nandita Srivastava , Yuming Wang , Zavkiddin Mirtoshev , Jie Zhang , Rui Liu

Coronal Mass Ejections (CMEs) are large-scale eruptions from the Sun into interplanetary space. Despite being major space weather drivers, our knowledge of the CME properties in the inner heliosphere remains constrained by the scarcity of…

Solar and Stellar Astrophysics · Physics 2021-05-12 Camilla Scolini , Sergio Dasso , Luciano Rodriguez , Andrei N. Zhukov , Stefaan Poedts

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

The space weather is extremely mild during solar cycle 24: the number of major geomagnetic storms and high-energy solar energetic particle events are at the lowest since the dawn of the space age. Solar wind measurements at 1 AU using Wind…

Solar and Stellar Astrophysics · Physics 2015-08-10 Nat Gopalswamy , Sachiko Akiyama , Seiji Yashiro , Hong Xie , Pertti Makela , Grzegorz Michalek

Context. In the scope of space weather forecasting, it is crucial to be able to more reliably predict the arrival time, speed, and magnetic field configuration of coronal mass ejections (CMEs). From the time a CME is launched, the dominant…

Solar and Stellar Astrophysics · Physics 2023-09-28 K. Martinic , M. Dumbovic , J. Calogovic , B. Vrsnak , N. Al-Haddad , M. Temmer

Loss of equilibrium of magnetic flux ropes is a leading candidate for the origin of solar coronal mass ejections (CMEs). The aim of this paper is to explore to what extent this mechanism can account for the initiation of CMEs in the global…

Solar and Stellar Astrophysics · Physics 2011-02-11 A. R. Yeates , D. H. Mackay

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

We study the clustering properties of fast Coronal Mass Ejections (CMEs) that occurred during solar cycles 23 and 24. We apply two methods: the Max spectrum method can detect the predominant clusters and the de-clustering threshold time…

We investigate the Sun-Earth dynamics of a set of 38 well-observed Coronal Mass Ejections(CMEs) using data from the STEREO, SOHO missions and WIND instrument. We seek to quantify the relative contributions of Lorentz force and aerodynamic…

Solar and Stellar Astrophysics · Physics 2019-07-31 Nishtha Sachdeva

The severe geomagnetic effects of solar storms or coronal mass ejections (CMEs) are to a large degree determined by their propagation direction with respect to Earth. There is a lack of understanding of the processes that determine their…

Coronal Mass Ejections (CMEs) are the most energetic expulsions of magnetized plasma from the Sun that play a crucial role in space weather dynamics. This study investigates the diverse kinematics and thermodynamic evolution of two CMEs…

Solar and Stellar Astrophysics · Physics 2023-10-11 Soumyaranjan Khuntia , Wageesh Mishra , Sudheer K Mishra , Yuming Wang , Jie Zhang , Shaoyu Lyu

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

A study of the kinematics and arrival times of CMEs at Earth, derived from time-elongation maps (J-maps) constructed from STEREO/Heliospheric Imager (HI) observations, provides an opportunity to understand the heliospheric evolution of CMEs…

Solar and Stellar Astrophysics · Physics 2014-08-01 Wageesh Mishra , Nandita Srivastava , Jackie A. Davies

Coronal mass ejections (CMEs) are large scale eruptions observed close to the Sun. They are travelling through the heliosphere and possibly interacting with the Earth environment creating interruptions or even damaging new technology…

Solar and Stellar Astrophysics · Physics 2022-07-08 C. Verbeke , B. Schmieder , P. Démoulin , S. Dasso , B. Grison , E. Samara , C. Scolini , S. Poedts
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