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November 2025

New Instrument in Solar Flare Detection: A 50–55 GHz Millimeter-Wave Radiometer Spectrometer by X. Xu et al.

2025-11-25

Solar flares, among the most intense explosive phenomena in the solar atmosphere, release vast amounts of energy in a short period, resulting in enhanced electromagnetic radiation across multiple bands. These events pose significant threats to Earth’s space environment and human activities in space. High-energy electrons accelerated during flares emit millimeter-wave radiation through gyrosynchrotron radiation, providing unique insights into the underlying magnetic fields and energy release processes (Fleishman et al 2018). […]

Multispacecraft Analysis and Modeling of Type III Radio Burst Exciter Deceleration in Inhomogeneous Heliospheric Plasma F. Azzolini et al.

2025-11-11

Electron beams accelerated in solar flares and escaping from the Sun along open magnetic field lines can trigger intense radio emissions known as type III solar radio bursts. However, the propagation dynamics of these electrons is still poorly understood and observationally constrained (Dulk et al 1987, Krupar et al 2015). Historically, single-spacecraft measurements have suggested deceleration but suffered from large uncertainties due to unknown source position. By leveraging four spacecraft […]

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Atacama Large Millimeter Array (ALMA) (11) chromosphere (13) coronal magnetic field (14) Coronal Mass Ejection (CME) (44) density fluctuations (14) electron cyclotron maser (ECM) (4) energetic electrons (15) fine spectral structures (5) free-free emission (8) Giant Metrewave Radio Telescope (GMRT) (4) gyrosynchrotron emission (13) hard X-ray (5) ionosphere (4) Langmuir waves (9) Low Frequency Array (LOFAR) (21) microwave emission (15) Murchison Widefield Array (MWA) (11) Nancay Radio Heliograph (NRH) (5) Nobeyama Radioheliograph (NoRH) (9) Parker Solar Probe (PSP) (12) particle acceleration (8) plasma radio emission (6) quiet Sun (9) radio noise storm (4) radio spikes (11) radio wave scattering (13) shock wave (8) simulations (4) Solar Dynamics Observatory (SDO) (4) solar energetic particles (SEP) (24) solar flare (30) Solar Orbiter (SolO) (8) solar radio emission (21) space weather (4) STEREO (11) submillimeter emission (5) turbulence (18) Type III solar radio bursts (69) Type II solar radio bursts (41) Type I solar radio bursts (7) Type IV solar radio bursts (12) Ukrainian T-shaped radio telescope (UTR-2) (4) Ultraviolet (UV)/extreme ultraviolet (EUV) emissions (6) Wind (spacecraft) (8) zebra-structure (7)
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  • A Wide-Band High-Frequency Type-II Solar Radio Burst by Vasanth et al.

    2025-12-23

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