Organization of scientists to stimulate research of the Sun by means of radio waves. CESRA publishes fresh research highlights based on refereed research - short communications written in the language accessible to a non-expert in the specific area.
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Solar flares are known to be prolific electron accelerators, yet identifying the mechanism(s) for such efficient electron acceleration in magnetic reconnection events at the sun (and similar astrophysical settings) presents ...
Astronomy
Jun 21, 2023
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35
Quasi-periodic pulsations (QPPs; also known as quasi-periodic oscillations, i.e., QPOs) are electromagnetic emission phenomena that vary quasi-periodically with time. They appear in celestial transient events with different ...
Astronomy
Jan 4, 2023
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54
For a mission that has just entered its primary science phase, Solar Orbiter has already produced many remarkable results. Released on December 14, 2021, a special issue of Astronomy and Astrophysics brings together a wealth ...
Astronomy
Feb 15, 2022
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22
Solar radio spikes are short duration, narrowband radio bursts that are signatures of the acceleration of non-thermal electrons in solar flares. They are observed over a wide range of frequencies from the tens of MHz (Melnik ...
Astronomy
Oct 12, 2021
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38
The sun routinely produces energetic electrons in its outer atmosphere that subsequently travel through interplanetary space. These electron beams generate Langmuir waves in the background plasma, producing type III radio ...
Astronomy
Sep 8, 2021
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69
Type III radio bursts from the sun are signatures of energetic (∼1–100 keV) electrons, accelerated at the reconnection sites, propagating upward through the corona into the interplanetary medium along open magnetic field ...
Astronomy
Jul 29, 2020
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34
Type II solar radio bursts are believed to be excited by shock waves. They are often linked to shocks driven by solar eruptive events like coronal mass ejections (CMEs) and solar flares, and are characterized by a slow drift ...
Astronomy
May 26, 2020
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8
Type III bursts are among the strongest radio signals routinely observed by both space-borne and ground-based instruments. They are generated via the plasma emission mechanism, when beams of suprathermal electrons interact ...
Astronomy
Apr 1, 2020
4
113
Solar flares, similar to many other astrophysical energetic processes, are related to magnetic reconnection. During these events magnetic energy is transferred from other forms of energy, mostly heat and energetic particles. ...
Plasma Physics
Mar 17, 2020
0
12
Type III solar radio bursts are generated by non-thermal electron beams propagating through the solar corona and interplanetary space. In dynamic spectra, the flux of solar type III radio bursts have a time profile of rising ...
Astronomy
Jan 21, 2020
0
20
