Results 41 to 50 of about 1,198,926 (208)
Active Region Modulation of Coronal Hole Solar Wind [PDF]
The Astrophysical Journal, 2019 Abstract Active regions (ARs) are a candidate source of the slow solar wind (SW), the origins of which are a topic of ongoing research. We present a case study that examines the processes by which SW is modulated in the presence of an AR in the vicinity of the SW source.
Allan R. Macneil +6 more
openaire +3 more sources
Collisionless Shocks: Contemporary State After Three Quarters of a Century of Research
Reviews of Geophysics, Volume 64, Issue 3, September 2026.Abstract The collisionless shock research started in the late 1950s. Since then, plenty of data have been accumulated due to the large number of missions in the heliosphere, providing in situ measurements of the fields and particles. The quality of these measurements has vastly improved, especially in the last two decades.
M. Gedalin +2 more
wiley +1 more source
The Astrophysical JournalWe investigate the relationship between solar coronal holes and open-field regions using three-dimensional radiative magnetohydrodynamic simulations combined with remote-sensing observations from the Solar Dynamics Observatory (SDO).
Haruhisa Iijima
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The Astrophysical Journal Supplement Series, 2023 In this paper, we employ a Harten–Lax–van Leer (HLL) generalized Riemann problem (HLL-GRP) solver within the framework of a finite volume method to model 3D solar coronal structures for the first time.
Mengqing Liu +3 more
doaj +1 more source
Cross‐Correlations of Solar Wind Parameters Using Monitoring Spacecraft
Space Weather, Volume 24, Issue 9, September 2026.Abstract Space weather predictive modeling currently utilizes real‐time data from the spacecraft ACE and DSCOVR, with SOLAR‐1 and IMAP recently online. This study assesses whether DSCOVR solar wind plasma and interplanetary magnetic field (IMF) data exhibit large‐scale discrepancies from the corresponding ACE data, and if so, whether these ...
P. H. Reiff +5 more
wiley +1 more source
Temperature of the Polar Inner Heliosheath: Connection to Solar Activity
The Astrophysical Journal, 2023 We study the thermodynamics of the plasma protons in the polar regions of the inner heliosheath (IHS) and its connection with solar activity over solar cycle 24.
G. Livadiotis +2 more
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The Photospheric Footpoints of Solar Coronal Hole Jets [PDF]
The Astrophysical Journal, 2021 Abstract We study the photospheric footpoints of a set of 35 coronal jets in a coronal hole as observed by Hinode/EIS. We use SDO/AIA data to coalign the spectroscopic EIS data with SDO/HMI line-of-sight magnetograms and calculate the plane-of-sky flow field using local correlation tracking (LCT) on SDO/HMI white light images.
openaire +1 more source
Near‐Earth Solar Wind Speed of Fast Coronal Mass Ejections
Journal of Geophysical Research: Space Physics, Volume 131, Issue 8, August 2026.Abstract Using solar wind and ground magnetometer data for solar cycles 23–25, extreme‐value power‐law models are developed that quantify relationships between near‐Earth solar wind speed and Sun‐to‐Earth transit times of interplanetary coronal mass ejections (ICMEs).
Jeffrey J. Love +3 more
wiley +1 more source
Validation of Long-term Solar Coronal Modeling Using FORWARD
The Astrophysical Journal Supplement SeriesThis research aims to evaluate the capabilities of two of the most widely used coronal models over multiple solar cycles and to study variations in solar coronal structures over an extended period across multiple channels. We have created a comprehensive
Gergely Koban +4 more
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What drives solar-EUV jets seen in equatorial coronal holes?
Results in Physics, 2016 Recent observations of jets in solar coronal holes that include multi-wavelength data such as EUV movies have shown that most of those jets are not driven in the way suggested by the standard model.
M.L. Adams, R.L. Moore
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