Results 11 to 20 of about 30,967 (299)

A Model for Solar Coronal Mass Ejections [PDF]

open access: yesThe Astrophysical Journal, 1999
Astrophysical Journal latex file, 28 pages, 8 color and 2 b-w figures (gif files)
Antiochos, S. K.   +2 more
openaire   +4 more sources

Energetics of solar coronal mass ejections [PDF]

open access: yesAstronomy & Astrophysics, 2007
Aims: We investigate whether solar coronal mass ejections are driven mainly by coupling to the ambient solar wind or through the release of internal magnetic energy. Methods: We examine the energetics of 39 flux-rope like coronal mass ejections (CMEs) from the Sun using data in the distance range $\sim$ 2--20 $R_{\odot}$ from the Large Angle ...
Subramanian, Prasad, Vourlidas, Angelos
openaire   +4 more sources

Solar flares, coronal mass ejections and solar energetic particle event characteristics

open access: yesJournal of Space Weather and Space Climate, 2016
A new catalogue of 314 solar energetic particle (SEP) events extending over a large time span from 1984 to 2013 has been compiled. The properties as well as the associations of these SEP events with their parent solar sources have been thoroughly ...
Papaioannou Athanasios   +8 more
doaj   +2 more sources

Modeling observations of solar coronal mass ejections with heliospheric imagers verified with the Heliophysics System Observatory. [PDF]

open access: yesSpace Weather, 2017
We present an advance toward accurately predicting the arrivals of coronal mass ejections (CMEs) at the terrestrial planets, including Earth. For the first time, we are able to assess a CME prediction model using data over two thirds of a solar cycle of ...
Möstl C   +21 more
europepmc   +3 more sources

PLASMA AND MAGNETIC FIELD CHARACTERISTICS OF SOLAR CORONAL MASS EJECTIONS IN RELATION TO GEOMAGNETIC STORM INTENSITY AND VARIABILITY [PDF]

open access: green, 2015
The largest geomagnetic storms of solar cycle 24 so far occurred on 2015 March 17 and June 22 with D st ?> minima of − 223 ?> and − 195 ?> nT, respectively. Both of the geomagnetic storms show a multi-step development.
Ying D. Liu   +7 more
openalex   +3 more sources

A census of coronal mass ejections on solar-like stars [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2020
Coronal mass ejections (CMEs) may have major importance for planetary and stellar evolution. Stellar CME parameters, such as mass and velocity, have yet not been determined statistically.
M. Leitzinger   +10 more
semanticscholar   +1 more source

Solar Energetic Particles Produced during Two Fast Coronal Mass Ejections

open access: yesAstrophysical Journal Letters, 2022
Two recent extremely fast coronal mass ejections (CMEs) are of particular interest. The first one originated from the southern hemisphere on 2021 October 28 and caused strong solar energetic particle (SEP) events over a wide longitude range from Earth ...
Xiaolei Li   +3 more
semanticscholar   +1 more source

Deflection of Coronal Mass Ejections in Unipolar Ambient Magnetic Fields

open access: yesThe Astrophysical Journal, 2023
The trajectories of coronal mass ejections (CMEs) are often seen to deviate substantially from a purely radial propagation direction. Such deviations occur predominantly in the corona and have been attributed to “channeling” or deflection of the eruptive
Michal Ben-Nun   +7 more
doaj   +1 more source

Evolution of the Radial Size and Expansion of Coronal Mass Ejections Investigated by Combining Remote and In Situ Observations

open access: yesThe Astrophysical Journal, 2023
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.
Bin Zhuang   +6 more
doaj   +1 more source

Mass loss via solar wind and coronal mass ejections during solar cycles 23 and 24 [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
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 variability ...
W. Mishra   +5 more
semanticscholar   +1 more source

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