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Solar coronal mass ejections (CMEs) show a large variety in their kinematic properties. CMEs originating in active regions and accompanied by strong flares are usually faster and accelerated more impulsively than CMEs associated with…

Astrophysics · Physics 2007-10-11 T. Toeroek , B. Kliem

Coronal mass ejections (CMEs) play a decisive role in driving space weather, especially, the fast ones (e.g., with speeds above $800$~km~s$^{-1}$). Understanding the trigger mechanisms of fast CMEs can help us gaining important information…

Solar and Stellar Astrophysics · Physics 2019-11-06 Peng Zou , Chaowei Jiang , Fengsi Wei , Pingbing Zuo , Yi Wang

A close association between eruptive prominences and CMEs, both slow and fast CMEs, was reported in many studies. Sometimes it is possible to follow the material motion starting from the prominence (filament) activation to the CME in the…

Astrophysics · Physics 2015-05-13 Boris Filippov , Serge Koutchmy

Stealth coronal mass ejections (CMEs) are eruptions from the Sun that have no obvious low coronal signature. These CMEs are characteristically slower events, but can still be geoeffective and affect space weather at Earth. Therefore,…

Solar and Stellar Astrophysics · Physics 2019-09-11 Jennifer O'kane , Lucie Green , David M. Long , Hamish Reid

Filament eruptions often lead to coronal mass ejections (CMEs), which can affect critical technological systems in space and on the ground when they interact with the geo-magnetosphere in high speeds. Therefore, it is an important issue to…

Solar and Stellar Astrophysics · Physics 2015-05-20 Hongqiang Song , Yao Chen , Jie Zhang , Xin Cheng , Hui Fu , Gang Li

Coronal mass ejections (CMEs) originate from closed magnetic field regions on the Sun, which are active regions and quiescent filament regions. The energetic populations such as halo CMEs, CMEs associated with magnetic clouds, geoeffective…

Solar and Stellar Astrophysics · Physics 2015-05-13 N. Gopalswamy , S. Akiyama , S. Yashiro , P. Makela

Coronal mass ejections (CMEs) are closely related to eruptive filaments and usually are the continuation of the same eruptive process into the upper corona. There are failed filament eruptions when a filament decelerates and stops at some…

Solar and Stellar Astrophysics · Physics 2018-02-07 Boris Filippov

Two major processes have been proposed to convert the coronal magnetic energy into the kinetic energy of a coronal mass ejection (CME): resistive magnetic reconnection and ideal macroscopic magnetohydrodynamic instability of magnetic flux…

Solar and Stellar Astrophysics · Physics 2015-06-16 H. Q. Song , Y. Chen , D. D. Ye , G. Q. Han , G. H. Du , G. Li , J. Zhang , Q. Hu

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

In this article, we present the relationship between prominence eruptions (PEs) and coronal mass ejections (CMEs) from May 2010 to December 2019 covering most of solar cycle 24. We used data from the Atmospheric Imaging Assembly (AIA) for…

Solar and Stellar Astrophysics · Physics 2025-06-02 Pooja Devi , Nat Gopalswamy , Seiji Yashiro , Sachiko Akiyama , Ramesh Chandra , Kostadinka Koleva

Using high time cadence images from the STEREO EUVI, COR1 and COR2 instruments, we derived detailed kinematics of the main acceleration stage for a sample of 95 CMEs in comparison with associated flares and filament eruptions. We found that…

Solar and Stellar Astrophysics · Physics 2015-06-05 B. M. Bein , S. Berkebile-Stoiser , A. M. Veronig , M. Temmer , B. Vrsnak

Coronal Mass ejections or CMEs are large dynamical solar-corona events. The mass balance and kinematics of a fast limb CME, including its prominence progenitor and the associated flare, will be compared with computed magnetic structures to…

Solar filament eruptions play a crucial role in triggering coronal mass ejections (CMEs). More than 80 % of eruptions lead to a CME. This correlation has been studied extensively during the past solar cycles and the last long solar minimum.…

Solar and Stellar Astrophysics · Physics 2015-06-12 B. Schmieder , P. Demoulin , G. Aulanier

Observations of the solar corona with the Large Angle Spectrometric Coronograph (LASCO) and Extreme ultraviolet Imaging Telescope (EIT) instruments on the Solar and Heliospheric Observatory (SOHO) provide an unprecedented opportunity to…

Astrophysics · Physics 2009-11-06 Prasad Subramanian , K. P. Dere

Coronal mass ejections (CMEs) are eruptive events that cause a solar-type star to shed mass and magnetic flux. CMEs tend to occur together with flares, radio storms, and bursts of energetic particles. On the Sun, CME-related mass loss is…

Solar and Stellar Astrophysics · Physics 2017-05-24 Steven R. Cranmer

It is well known that there is temporal relationship between coronal mass ejections (CMEs) and associated flares. The duration of the acceleration phase is related to the duration of the rise phase of a flare. We investigate CMEs associated…

Solar and Stellar Astrophysics · Physics 2013-03-01 U. Bak-Steslicka , S. Kolomanski , T. Mrozek

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

Coronal mass ejections (CMEs) were discovered in the early 1970s when space-borne coronagraphs revealed that eruptions of plasma are ejected from the Sun. Today, it is known that the Sun produces eruptive flares, filament eruptions, coronal…

Solar and Stellar Astrophysics · Physics 2018-03-14 Lucie Green , Tibor Torok , Bojan Vrsnak , Ward Manchester , Astrid Veronig

In this article, we compare the properties of two coronal mass ejections (CMEs) that show similar source region characteristics but different evolutionary behavior in the later phases. We discuss the two events in terms of their near-Sun…

Solar and Stellar Astrophysics · Physics 2022-01-19 Syed Ibrahim , Wahab Uddin , Bhuwan Joshi , Ramesh Chandra , Arun Kumar Awasthi

We present a review of the different aspects associated with the interaction of successive CMEs in the corona and inner heliosphere, focusing on the initiation of series of CMEs, their interaction in the heliosphere, the particle…

Space Physics · Physics 2017-04-05 Noé Lugaz , Manuela Temmer , Yuming Wang , Charles J. Farrugia
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