Results 91 to 100 of about 227,323 (221)

Propagation Dynamics of Fast Electron Beam and Its Electron Cyclotron Maser Emission

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Fast electron beams (FEBs) and coherent radio bursts both are very common plasma activity phenomena in the cosmos. The electron cyclotron maser (ECM) instability driven by FEBs trapped in magnetic fields can directly amplify radio wave radiations.
Ling Chen, Dejin Wu, Jianfei Tang, Guoqing Zhao   +3 more
wiley   +1 more source

Characteristic Responses of Particles and Plasma Waves During Interchange Events at Jupiter Using Juno Observations

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Interchange instability plays a critical role in driving mass and plasma transport within Jupiter's inner and middle magnetospheres. In this study, we present a superposed epoch analysis of 160 interchange events to quantify their characteristic signatures of magnetic fields, particles, and plasma waves using Juno data from 2016 to 2024 ...
A. Daly, W. Li, Q. Ma, W. S. Kurth, G. Clark, G. B. Hospodarsky, B. H. Mauk, F. Allegrini, S. J. Bolton   +8 more
wiley   +1 more source

Mercury's magnetosphere, exosphere and surface : Low-frequency field and wave measurements as a diagnostic tool

, 1997
Diagnostics that can be made with combined electric and magnetic field measurements at Mercury are reviewed. Fundamental electrodynamic questions which can be answered by means of a Mercury Orbiter are discussed.
Blomberg, Lars,
core   +1 more source

A Time‐Continuous Model of the 3D Ionospheric Current System and Associated Magnetic Fields in the Diurnal Variation Band

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Ionospheric currents and their associated magnetic perturbations are difficult to predict due to the high variability of their driving mechanisms. In addition, the 3D structure of the currents is challenging to unravel due to the lack of direct observations within the current flow region, particularly in the E $E$‐layer.
P. Alken, G. D. Egbert, A. Maute, A. D. Richmond, G. Lu, K. Pham, M. Fillion   +6 more
wiley   +1 more source

Nighttime Westward Equatorial Electrojet Observed During the January 2026 Geomagnetic Storm

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract The equatorial electrojet (EEJ) is a narrow band of zonal electric current flowing in the E‐region ionosphere within approximately ±2° $\pm 2{}^{\circ}$ latitude of the magnetic equator. At night, the EEJ is generally considered very weak because of low ionospheric conductivity.
Y. Yamazaki, M. V. da Silva, J. Matzka, G. B. Soares, A. Grayver, D. R. Themens, S. K. Das, C. Stolle, A. Maute, S. Perwitasari, M. Nishioka, R. Kaewthongrach, S. Channumsin, Y. Setiawan, M. Syirojudin, X. Yue, A. Yoshikawa, S. Abe, K. Girgis, R. Flores, F. Justo, J. Inostroza, G. Vichare, G. Seemala, A. Nel, N. M. Giday, A. Samy   +26 more
wiley   +1 more source

The Response of Broadband Kilometric Radiation to Compressions of the Jovian Magnetosphere

The Astrophysical Journal
In the planetary magnetosphere, plasma waves act as the medium for particles to transfer energy. Jupiter is the largest planet in our solar system, and the giant magnetosphere is full of energetic particles, producing intense radio emissions.
Yuening Chen, Shengyi Ye, Zhonghua Yao, Binzheng Zhang   +3 more
doaj   +1 more source

Drift Echoes at Geostationary Orbit: An Eight‐Year Climatology From GOES‐16

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Drift echoes are energy‐dispersed recurrences in energetic particle flux that appear when a localized injection or compression organizes trapped ions and electrons according to their azimuthal drift. Although established as tracers of radiation‐belt dynamics, drift echoes have rarely been surveyed statistically at geostationary orbit. We apply
Fadil Inceoglu, Juan V. Rodriguez, Brian T. Kress   +2 more
wiley   +1 more source

Generation of auroral turbulence through the magnetosphere–ionosphere coupling

New Journal of Physics, 2016
The shear Alfvén waves coupled with the ionospheric density fluctuations in auroral regions of a planetary magnetosphere are modeled by a set of the reduced magnetohydrodynamic and two-fluid equations. When the drift velocity of the magnetized plasma due
Tomo-Hiko Watanabe, Hiroaki Kurata, Shinya Maeyama   +2 more
doaj   +1 more source

Plasma Properties at the Orbits of Ganymede and Callisto: Survey of Juno Data

Journal of Geophysical Research: Planets, Volume 131, Issue 10, October 2026.
Abstract The space environment around the Galilean moons is important for understanding the interaction of the magnetospheric plasma with their magnetosphere (in the singular case of Ganymede), their atmospheres and surfaces. Juno's orbital evolution brought the spacecraft close to the orbits of Ganymede and Callisto on multiple occasions over several ...
Reign Pagaran, F. Bagenal, J.‐Z. Wang, R. J. Wilson, R. W. Ebert   +4 more
wiley   +1 more source

STRUCTURE AND DYNAMICS OF PLANETARY MAGNETOSPHERES

, 2022
The interactions between the ambient plasmas and the objects of the Solar System result in variable exchanges both in time and space of mass, momentum and energy within different types of magnetospheres. The characterization of the sources, the general circulation and the losses of the magnetospheric plasmas as well as the identification of the ...
openaire   +1 more source