Results 151 to 160 of about 67,260 (280)

Estimation of Reconnection Rate From Soft X‐Ray Emission at the Earth's Dayside Magnetopause

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract We propose an approach to estimating the reconnection rate by utilizing soft X‐rays emitted during the solar wind charge exchange (SWCX) process at the Earth's magnetopause. Employing a high‐resolution global magnetohydrodynamic (MHD) simulation model of the magnetosphere, we investigated the SWCX emission around the magnetopause during a ...
Ryota Momose   +2 more
wiley   +1 more source

Solar wind ion charge state distributions and compound cross sections for solar wind charge exchange X-ray emission

open access: yesEarth and Planetary Physics
Solar Wind Charge eXchange X-ray (SWCX) emission in the heliosphere and Earth's exosphere is a hard to avoid signal in soft X-ray observations of astrophysical targets.
Dimitra Koutroumpa
doaj   +1 more source

The Auroral Vortex and Rolling Magnetic Carpet

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract We report a nightside array of cylindrical auroral vortices observed at four wavelengths on 1 January 2024 from Poker Flat, Alaska. A pre‐existing east–west arc just south of the site began beading from the west, evolving into curls and then spirals while extending eastward, initiating a substorm expansion within ∼2 min. The vortices were seen
Xiaoyan Zhou, Donald Hampton
wiley   +1 more source

Laboratory Modelling of Neutron Star Magnetospheres [PDF]

open access: bronze, 1979
Б. Г. Еремин   +4 more
openalex   +1 more source

Global Evolution, Energetics, and Origins of Auroral Streamers

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract An auroral streamer—a usually meridionally aligned, arc‐like feature that extend across the auroral oval. We performed a high‐resolution global magnetohydrodynamic simulation to characterize the evolution of streamers and their coupling to magnetotail drivers. The results show that streamers, which are a consequence of magnetotail flow bursts,
Ziyi Yang   +3 more
wiley   +1 more source

Correlation between the solar wind speed and the passage of poleward-moving auroral forms into the polar cap

open access: yesFrontiers in Astronomy and Space Sciences
In 1961, Dungey suggested that magnetic reconnection occurs due to the solar-terrestrial interaction. The interplanetary magnetic field (IMF) is thought to merge with Earth’s geomagnetic field (GMF).
G. J. Fasel   +10 more
doaj   +1 more source

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