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December 2017

Propagation and Interaction Properties of Successive Coronal Mass Ejections in Relation to a Complex Type II Radio Burst
by Y. D. Liu et al.*

2017-12-19

Quantifying how coronal mass ejections (CMEs), particularly fast ones, propagate from the Sun to the Earth is an overarching issue in CME research and space weather forecasting. A typical fast CME would finish its major deceleration well before reaching 1 AU (Liu et al. 2013). The actual situation of CME Sun-to-Earth propagation, however, may involve interactions with the highly structured solar wind including other CMEs. Interactions involving more than two […]

Critical Fluctuations in Beam-Plasma Systems and Solar Type III Radio Bursts
by G. Thejappa and R. J. MacDowall

2017-12-05

The type III radio bursts are the most intense radio emissions from the sun. In Figure 1, we present a typical type III burst observed by the STEREO spacecraft. Ginzburg and Zheleznyakov (1958) were the first to suggest that Langmuir waves excited by the solar flare accelerated electrons are the source of these bursts. The in situ detection of electron beams and Langmuir waves in association with type III bursts […]

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active regions (3) Atacama Large Millimeter Array (ALMA) (9) chromosphere (12) CME-CME interaction (3) coronal magnetic field (12) Coronal Mass Ejection (CME) (41) density fluctuations (11) energetic electrons (13) fast magnetoacoustic waves (3) fine spectral structures (4) free-free emission (7) Giant Metrewave Radio Telescope (GMRT) (3) gyrosynchrotron emission (12) ionosphere (4) Langmuir waves (7) Low Frequency Array (LOFAR) (19) microwave emission (11) Murchison Widefield Array (MWA) (9) Nancay Radio Heliograph (NRH) (5) Nobeyama Radioheliograph (NoRH) (7) Parker Solar Probe (PSP) (7) particle acceleration (8) plasma radio emission (6) quiet Sun (8) radio spikes (9) radio wave scattering (11) shock wave (7) simulations (4) Solar and Heliospheric Observatory (SOHO) (3) Solar Dynamics Observatory (SDO) (3) solar energetic particles (SEP) (23) solar flare (28) solar radio emission (19) space weather (4) STEREO (6) submillimeter emission (4) turbulence (13) Type III solar radio bursts (52) Type II solar radio bursts (32) Type I solar radio bursts (6) Type IV solar radio bursts (10) Ukrainian T-shaped radio telescope (UTR-2) (4) Ultraviolet (UV)/extreme ultraviolet (EUV) emissions (5) Wind (spacecraft) (3) zebra-structure (6)
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  • Anisotropic density turbulence variation from the low corona to 1 au as deduced from solar radio observations by E. Kontar et al.

    2023-11-30

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