Results 41 to 50 of about 39,482 (251)
Long-Term Variations in Background Bias and Magnetic Field Noise in HSOS/SMFT Observations
UniverseThe Solar Magnetic Field Telescope (SMFT) at Huairou Solar Observing Station (HSOS) has conducted continuous observations of solar vector magnetic fields for nearly four decades, and while the primary optical system remains unchanged, critical components—
Haiqing Xu +7 more
doaj +1 more source
A Cosmological Fireball with 16% Gamma-Ray Radiative Efficiency
The Astrophysical Journal Letters, 2023 Gamma-ray bursts (GRBs) are the most powerful explosions in the universe. How efficiently the jet converts its energy to radiation is a long-standing problem, which is poorly constrained.
Liang Li +11 more
doaj +1 more source
Jupiter's X‐ray Aurorae. A High Signal Spectral Analysis of the 0.24–1.40 keV Energy Range
Journal of Geophysical Research: Space Physics, Volume 130, Issue 12, December 2025.Abstract Jupiter's X‐ray auroras are predominantly produced by precipitating energetic heavy ions. Recent results suggest a connection between the pulsation rate of these ion aurorae and the pulsation rate of magnetospheric waves. Using remote X‐ray observations and results from in situ measurements from the Juno Jupiter Energetic particle Detector ...
B. Parry +6 more
wiley +1 more source
Ellerman bombs-evidence for magnetic reconnection in the lower solar atmosphere [PDF]
, 2013 The presence of photospheric magnetic reconnection has long been thought to give rise to short and impulsive events, such as Ellerman bombs (EBs) and Type II spicules.
Doyle, John Gerard +6 more
core +2 more sources
Modelling photospheric magnetoconvection [PDF]
Monthly Notices of the Royal Astronomical Society, 1998 The increasing power of computers makes it possible to model the nonlinear interaction between magnetic fields and convection at the surfaces of solar-type stars in ever greater detail. We present the results of idealized numerical experiments on two-dimensional magnetoconvection in a fully compressible perfect gas.
Blanchflower, S.M. +2 more
openaire +3 more sources
CNN‐Based Model for 3D CME Parameter Prediction – A Proof of Concept
Journal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 4, December 2025.Abstract Accurate 3D reconstruction of coronal mass ejections (CMEs) is essential for understanding their propagation and improving space weather forecasts. In this study, we present a proof‐of‐concept deep learning framework that predicts seven parameters from synthetic multi‐view coronagraph images.
Harshita Gandhi, Huw Morgan, Cory Thomas
wiley +1 more source
Emergence of small-scale magnetic loops through the quiet solar atmosphere [PDF]
, 2009 We investigate the emergence of magnetic flux in the quiet Sun at very small spatial scales, focusing on the magnetic connection between the photosphere and chromosphere.
Abbett +19 more
core +2 more sources
MHD Forecasting of Solar Wind With Coronal Mass Ejections
Space Weather, Volume 23, Issue 12, December 2025.Abstract We present a model, implemented as an online service, for predicting the speed and density of solar wind in the inner heliosphere and near Earth. The model is based on a numerical magnetohydrodynamics code PLUTO. The inner boundary maps are continuously obtained from the National Centers for Environmental Prediction, where they are updated 1 ...
S. Arutyunyan +3 more
wiley +1 more source
, 2011 We compute the change in the Lorentz force integrated over the outer solar atmosphere implied by observed changes in vector magnetograms that occur during large, eruptive solar flares.
Bercik, David J. +3 more
core +1 more source
On the origin of the magnetic energy in the quiet solar chromosphere
, 2019 The presence of magnetic field is crucial in the transport of energy through the solar atmosphere. Recent ground-based and space-borne observations of the quiet Sun have revealed that magnetic field accumulates at photospheric heights, via a local dynamo
Carlsson, Mats +5 more
core +1 more source