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Related papers: A census of Coronal Mass Ejections on solar-like s…

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We present an investigation into an apparent relationship between white-light coronal brightness and the kinematics of flare-associated CMEs. Using a unique dataset known as the LASCO Coronal Brightness Index (CBI), we conduct a study that…

Solar and Stellar Astrophysics · Physics 2025-05-16 Kelly Victor-French , Karl Battams , Brian E. Wood

Context. Coronal mass ejections (CMEs) are large eruptions of magnetised plasma from the Sun that are often accompanied by solar radio bursts produced by accelerated electrons. Aims. A powerful source for accelerating electron beams are…

Solar and Stellar Astrophysics · Physics 2020-10-14 D. E. Morosan , E. Palmerio , J. E. Räsänen , E. K. J. Kilpua , J. Magdalenić , B. J. Lynch , A. Kumari , J. Pomoell , M. Palmroth

Coronal mass ejections (CMEs) are large-scale ejections of plasma and magnetic field from the solar corona, which propagate through interplanetary space at velocities of $\sim$100--2500~km~s$^{-1}$. Although plane-of-sky coronagraph…

Solar and Stellar Astrophysics · Physics 2011-06-09 Shane A. Maloney , Peter T. Gallagher

Stealth coronal mass ejection (CMEs) are eruptions from the Sun that are not associated with appreciable low-coronal signatures. Because they often cannot be linked to a well-defined source region on the Sun, analysis of their initial…

Solar and Stellar Astrophysics · Physics 2021-10-19 Erika Palmerio , Christina Kay , Nada Al-Haddad , Benjamin J. Lynch , Wenyuan Yu , Michael L. Stevens , Sanchita Pal , Christina O. Lee

Many questions must be answered before understanding the relationship between the emerging magnetic flux through the solar surface and the extreme geoeffective events. The main ingredients for getting X-ray class flares and large…

Solar and Stellar Astrophysics · Physics 2025-09-22 Brigitte Schmieder , Jinhan Guo , Guillaume Aulanier , Anwesha Maharana , Stefaan Poedts

The shape and dynamics of coronal mass ejections (CMEs) vary significantly based on the instrument and wavelength used. This has led to significant debate about the proper definitions of CME/shock fronts, pile-up/compression regions, and…

Solar and Stellar Astrophysics · Physics 2025-08-27 Oleg Stepanyuk , Kamen Kozarev

Forecasting the in situ properties of coronal mass ejections (CMEs) from remote images is expected to strongly enhance predictions of space weather, and is of general interest for studying the interaction of CMEs with planetary…

Coronal mass ejections (CMEs) are major drivers of space weather in the Solar System, but their occurrence rate on other stars is unknown. A characteristic (deca-)metric radio burst with a time-frequency drift, known as a Type II radio…

Coronal mass ejections (CMEs) are large-scale eruptions of plasma from the coronae of stars. Understanding the plasma processes involved in CME initiation has applications to space weather forecasting and laboratory plasma experiments.…

Solar and Stellar Astrophysics · Physics 2018-03-21 Alexander W. James , Gherardo Valori , Lucie M. Green , Yang Liu , Mark C. M. Cheung , Yang Guo , Lidia van Driel-Gesztelyi

Context. Some of the most prominent sources for particle acceleration in our Solar System are large eruptions of magnetised plasma from the Sun called coronal mass ejections (CMEs). These accelerated particles can generate radio emission…

Solar and Stellar Astrophysics · Physics 2020-03-11 D. E. Morosan , E. Palmerio , J. Pomoell , R. Vainio , M. Palmroth , E. K. J. Kilpua

We present a statistical analysis of 43 coronal dimming events, associated with Earth-directed CMEs that occurred during the period of quasi-quadrature of the SDO and STEREO satellites. We studied coronal dimmings that were observed above…

Solar and Stellar Astrophysics · Physics 2020-06-11 Galina Chikunova , Karin Dissauer , Tatiana Podladchikova , Astrid M. Veronig

We investigated the statistical distributions of physical quantities of solar flares and associated coronal mass ejections (CMEs). We found that the distributions of the X-ray peak fluxes of CME-related flares, their time intervals, and…

Astrophysics · Physics 2007-05-23 Seiichiro I. Aoki , Seiji Yashiro , Kazunari Shibata

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

We searched for superflares on solar-type stars using Kepler data with 1 min sampling in order to detect superflares with short duration. We found 187 superflares on 23 solar-type stars whose bolometric energy ranges from the order of…

Solar and Stellar Astrophysics · Physics 2015-05-11 Hiroyuki Maehara , Takuya Shibayama , Yuta Notsu , Shota Notsu , Satoshi Honda , Daisaku Nogami , Kazunari Shibata

A leading theory of sunquake generation involves flare-accelerated particles depositing energy into the photosphere. Simulations of sunquake excitation suggest co-excitation with wavefronts propagating in the corona and chromosphere,…

Solar and Stellar Astrophysics · Physics 2026-05-26 Robert Bush , John Stefan , Alexander Kosovichev

Coronal mass ejections (CMEs) are tightly related to filament eruptions and usually are their continuation in the upper solar corona. It is common practice to divide all observed CMEs into fast and slow ones. Fast CMEs usually follow…

Solar and Stellar Astrophysics · Physics 2019-06-19 B. Filippov

Previous survey studies reported that coronal mass ejections (CMEs) can exhibit various structures in white-light coronagraphs, and $\sim$30\% of them have the typical three-part feature in the high corona (e.g., 2--6 $R_\odot$), which has…

Solar and Stellar Astrophysics · Physics 2023-08-02 Hongqiang Song , Leping Li , Zhenjun Zhou , Lidong Xia , Xin Cheng , Yao Chen

We have performed, for the first time, the successful automated detection of Coronal Mass Ejections (CMEs) in data from the inner heliospheric imager (HI-1) cameras on the STEREO A spacecraft. Detection of CMEs is done in time-height maps…

Solar and Stellar Astrophysics · Physics 2016-12-14 V. Pant , S. Willems , L. Rodriguez , M. Mierla , D. Banerjee , J. A. Davies

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

It is well known, that there is temporal relationship between CMEs and associated flares. The duration of the acceleration phase is related to the duration of the rise phase of a flare. We investigated CMEs associated with long duration…

Solar and Stellar Astrophysics · Physics 2011-04-06 Urszula Bak-Steslicka , Sylwester Kolomanski , Tomasz Mrozek
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