Results 61 to 70 of about 23,617 (267)

Proton acceleration in analytic reconnecting current sheets [PDF]

open access: yes, 2002
Particle acceleration provides an important signature for the magnetic collapse that accompanies a solar flare. Most particle acceleration studies, however, invoke magnetic and electric field models that are analytically convenient rather than solutions ...
Alekseyev I. I.   +12 more
core   +2 more sources

Multipoint Observations of a SLAMS Evolution and Its Merger With Whistler Waves

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract We report multipoint observations of a merger between a Short Large‐Amplitude Magnetic Structure (SLAMS) and 1‐Hz whistler wave packets upstream of Earth's quasi‐parallel bow shock. Using high‐resolution data from the Magnetospheric Multiscale (MMS) mission in a string‐of‐pearls configuration, we track the SLAMS as it evolves, exhibiting ...
Mengmeng Wang   +5 more
wiley   +1 more source

Coronal magnetic reconnection driven by CME expansion -- the 2011 June 7 event [PDF]

open access: yes, 2014
Coronal mass ejections (CMEs) erupt and expand in a magnetically structured solar corona. Various indirect observational pieces of evidence have shown that the magnetic field of CMEs reconnects with surrounding magnetic fields, forming, e.g., dimming ...
Baker, D.   +12 more
core   +4 more sources

BepiColombo at Mercury: Three Flybys, Three Magnetospheres

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract We examine the first three BepiColombo Mercury flybys Using data from the Miniature Ion Precipitation Analyzer (MIPA), an ion mass analyzer in the Search for Exospheric Refilling and Natural Abundances package on the Mercury Planetary Orbiter designed to study magnetospheric dynamics.
Hayley N. Williamson   +16 more
wiley   +1 more source

A numerical model of standard to blowout jets [PDF]

open access: yes, 2013
We report on three-dimensional (3D) MHD simulations of the formation of jets produced during the emergence and eruption of solar magnetic fields. The interaction between an emerging and an ambient magnetic field in the solar atmosphere leads to (external)
Archontis, Vasilis, Hood, A. W.
core   +1 more source

Efficiency of Electromagnetic Energy Transfer From Solar Wind to Ionosphere Through Magnetospheric Ultra‐Low Frequency Waves

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Ultra‐low frequency (ULF) waves are a ubiquitous carrier of energy in geospace. However, their efficiency in transferring solar wind energy into the upper atmosphere remains a fundamental and not well‐understood question. This is due to their global presence, which cannot be fully quantified by spatially limited observations, and the need for ...
Dong Lin   +9 more
wiley   +1 more source

Witnessing Magnetic Reconnection in Tangled Superpenumbral Fibrils around a Sunspot

open access: yesThe Astrophysical Journal
3D magnetic reconnection is a fundamental plasma process crucial for heating the solar corona and generating the solar wind, but resolving and characterizing it for the Sun remain challenging.
Hechao Chen   +10 more
doaj   +1 more source

A Database of Magnetic and Thermodynamic Properties of Confined and Eruptive Solar Flares

open access: yesThe Astrophysical Journal, 2023
Solar flares sometimes lead to coronal mass ejections that directly affect Earth's environment. However, a large fraction of flares, including on solar-type stars, are confined flares.
Maria D. Kazachenko
doaj   +1 more source

Statistical Estimate of the Magnetopause Reconnection Rate as a Function of the Interplanetary Magnetic Field Clock Angle

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract The magnetic reconnection rate at the magnetopause is crucial for solar wind and magnetosphere coupling. However, direct measurement is challenging due to inherent uncertainties and limited electron diffusion region statistics, hindering understanding of the guide field's influence on the normalized reconnection rate.
B. Michotte de Welle   +8 more
wiley   +1 more source

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