Community of European Solar Radio Astronomers (CESRA)
@cesra.bsky.social
The Community of European Solar Radio Astronomers (CESRA) is an organization of scientists to stimulate research of the Sun by means of radio waves.
https://www.astro.gla.ac.uk/users/eduard/cesra/
https://www.astro.gla.ac.uk/users/eduard/cesra/
Signatures of Confined and Eruptive Solar Flares in Microwave Spectra by E. W. Cliver et al. www.astro.gla.ac.uk/users/eduard...
🧪#Astronomy #RadioAstronomy #AAS
🧪#Astronomy #RadioAstronomy #AAS
Solar Radio Astronomy - CESRA
Solar flares are generally divided into two classes: eruptive flares (with associated coronal mass ejections; CMEs) and confined flares that lack CMEs. Because eruptive flares are the principal source...
www.astro.gla.ac.uk
January 6, 2026 at 7:50 AM
Signatures of Confined and Eruptive Solar Flares in Microwave Spectra by E. W. Cliver et al. www.astro.gla.ac.uk/users/eduard...
🧪#Astronomy #RadioAstronomy #AAS
🧪#Astronomy #RadioAstronomy #AAS
🔭 #astronomy 🧪 Spectral cleaving in solar type II radio bursts: Observations and interpretation by A. Koval et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Solar eruptive events, such as flares and coronal mass ejections (CMEs), can generate shock waves that propagate through the solar corona. These shock waves accelerate electrons, leading to Langmuir w...
www.astro.gla.ac.uk
January 2, 2026 at 11:34 AM
🔭 #astronomy 🧪 Spectral cleaving in solar type II radio bursts: Observations and interpretation by A. Koval et al. www.astro.gla.ac.uk/users/eduard...
#astronomy 🧪
Magnetic Field Geometry and Anisotropic Scattering Effects to Explain Puzzling LOFAR Solar Radio Burst Observations by D. L. Clarkson et al. www.astro.gla.ac.uk/users/eduard...
Magnetic Field Geometry and Anisotropic Scattering Effects to Explain Puzzling LOFAR Solar Radio Burst Observations by D. L. Clarkson et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Solar radio bursts are an indirect signature of accelerated electron beams from the solar atmosphere. These fast electrons generate Langmuir waves as they propagate through a decreasing plasma density...
www.astro.gla.ac.uk
January 2, 2026 at 11:29 AM
#astronomy 🧪
Magnetic Field Geometry and Anisotropic Scattering Effects to Explain Puzzling LOFAR Solar Radio Burst Observations by D. L. Clarkson et al. www.astro.gla.ac.uk/users/eduard...
Magnetic Field Geometry and Anisotropic Scattering Effects to Explain Puzzling LOFAR Solar Radio Burst Observations by D. L. Clarkson et al. www.astro.gla.ac.uk/users/eduard...
Temporally resolved Type III solar radio bursts in the frequency range 3-13 MHz by A. Vecchio et al. 🧪https://www.astro.gla.ac.uk/users/eduard/cesra/?p=3896
Solar Radio Astronomy - CESRA
Type III radio bursts are the most common coherent radio emission produced by the Sun. They are characterized by a rapid drift in time towards lower frequencies and represent an indirect signature of ...
www.astro.gla.ac.uk
December 30, 2025 at 10:21 PM
Temporally resolved Type III solar radio bursts in the frequency range 3-13 MHz by A. Vecchio et al. 🧪https://www.astro.gla.ac.uk/users/eduard/cesra/?p=3896
Observation of an Extraordinary Type V Solar Radio Burst: Nonlinear Evolution of the Electron Two-Stream Instability, by A. O. Benz et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Solar type V radio bursts are broad-band continua associated with type III bursts, which are generally believed to be caused by coronal electron beams. Type V bursts appear sometimes for 0.2 to 3 minu...
www.astro.gla.ac.uk
December 29, 2025 at 6:02 PM
Observation of an Extraordinary Type V Solar Radio Burst: Nonlinear Evolution of the Electron Two-Stream Instability, by A. O. Benz et al. www.astro.gla.ac.uk/users/eduard...
Spectral Characteristics of Fundamental–Harmonic Pairs of Interplanetary Type III Radio Bursts Observed by PSP, by Ling Chen et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Type III radio bursts are the most powerful and common type of solar radio bursts, shifting rapidly from high to low frequencies. In addition to the fast frequency drift from high to low frequencies, ...
www.astro.gla.ac.uk
December 29, 2025 at 6:01 PM
Spectral Characteristics of Fundamental–Harmonic Pairs of Interplanetary Type III Radio Bursts Observed by PSP, by Ling Chen et al. www.astro.gla.ac.uk/users/eduard...
A Wide-Band High-Frequency Type-II Solar Radio Burst by Vasanth et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Type-II radio bursts are usually observed below 400 MHz with slowly-drifting narrow fundamental and/or harmonic bands. Events with starting frequencies higher than 400 MHz are rarely reported (e.g., P...
www.astro.gla.ac.uk
December 28, 2025 at 3:16 PM
A Wide-Band High-Frequency Type-II Solar Radio Burst by Vasanth et al. www.astro.gla.ac.uk/users/eduard...
First Robust Detection of Linear Polarization from Metric Solar Emissions: Challenging Established Paradigms by S. Dey et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Polarization measurements of solar radio emissions are key diagnostics of coronal plasma, magnetic fields, and propagation effects, and can provide additional constraints on the emission mechanisms. A...
www.astro.gla.ac.uk
December 28, 2025 at 3:16 PM
First Robust Detection of Linear Polarization from Metric Solar Emissions: Challenging Established Paradigms by S. Dey et al. www.astro.gla.ac.uk/users/eduard...
New Instrument in Solar Flare Detection: A 50–55 GHz Millimeter-Wave Radiometer Spectrometer by X. Xu et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
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 band...
www.astro.gla.ac.uk
December 28, 2025 at 3:15 PM
New Instrument in Solar Flare Detection: A 50–55 GHz Millimeter-Wave Radiometer Spectrometer by X. Xu et al. www.astro.gla.ac.uk/users/eduard...
Multispacecraft Analysis and Modeling of Type III Radio Burst Exciter Deceleration in Inhomogeneous Heliospheric Plasma F. Azzolini et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
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 ...
www.astro.gla.ac.uk
December 28, 2025 at 3:15 PM
Multispacecraft Analysis and Modeling of Type III Radio Burst Exciter Deceleration in Inhomogeneous Heliospheric Plasma F. Azzolini et al. www.astro.gla.ac.uk/users/eduard...
Noise in Maps of the Sun at Radio Wavelengths by T. S. Bastian et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
The Sun is a powerful source of radio emissions, so much so that – unlike most celestial sources – this emission dominates the system noise of many radio telescopes. The noise resulting from such sour...
www.astro.gla.ac.uk
December 28, 2025 at 3:15 PM
Noise in Maps of the Sun at Radio Wavelengths by T. S. Bastian et al. www.astro.gla.ac.uk/users/eduard...
Connecting EUV Observations of Chromospheric Large-Scale Flows and their properties at particular heights using Nobeyama 17 GHz data: I. The differential rotation profile by S. Routh et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
The phenomenon of differential rotation in the Sun, described by Eq.1 where A is the equatorial rotation rate, A and C are latitudinal gradients and $\theta$ is latitude, is a cornerstone of solar dyn...
www.astro.gla.ac.uk
December 28, 2025 at 3:14 PM
Connecting EUV Observations of Chromospheric Large-Scale Flows and their properties at particular heights using Nobeyama 17 GHz data: I. The differential rotation profile by S. Routh et al. www.astro.gla.ac.uk/users/eduard...
On the limitations of using metric radio bursts as diagnostic tools for interplanetary coronal mass ejections by J. Kandekar et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Our Sun is constantly active, and much of its activity, like Solar Flares and Coronal Mass Ejections, is driven by its Magnetic Fields. However, one cannot directly estimate this magnetic field; one n...
www.astro.gla.ac.uk
December 28, 2025 at 3:14 PM
On the limitations of using metric radio bursts as diagnostic tools for interplanetary coronal mass ejections by J. Kandekar et al. www.astro.gla.ac.uk/users/eduard...
A Flare-related Decimetric Type-IV Radio Burst Induced by the X2 Radiation of Electron Cyclotron Maser Emission by Lv et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Decimetric broadband radio bursts (with frequencies of hundreds of MHz to a few GHz) have been observed from the Sun and other flaring stars. In the solar case, such bursts have been classified as the...
www.astro.gla.ac.uk
December 28, 2025 at 3:14 PM
A Flare-related Decimetric Type-IV Radio Burst Induced by the X2 Radiation of Electron Cyclotron Maser Emission by Lv et al. www.astro.gla.ac.uk/users/eduard...
Observation and Modeling of Small Spatial Structures of Solar Radio Noise Storms using the uGMRT by S. Mondal et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
One of the most commonly observed solar radio sources in the metric and decametric wavelengths are the so-called solar noise storms. These are generally associated with active regions and are believed...
www.astro.gla.ac.uk
December 28, 2025 at 3:13 PM
Observation and Modeling of Small Spatial Structures of Solar Radio Noise Storms using the uGMRT by S. Mondal et al. www.astro.gla.ac.uk/users/eduard...
A novel fine spectral structure of solar radio bursts with periodic beaded stripes observed by CBSm of CMP-II by Li et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Substantial fine structures, such as zebras, drifting bursts, spikes, and fibers have been reported during the past decades of observations of solar radio bursts. These fine structures are frequently ...
www.astro.gla.ac.uk
December 28, 2025 at 3:13 PM
A novel fine spectral structure of solar radio bursts with periodic beaded stripes observed by CBSm of CMP-II by Li et al. www.astro.gla.ac.uk/users/eduard...
Polarization Analysis of Type III Langmuir/Z-mode Waves with Coherent Magnetic Component Observations by Solar Orbiter by T. Formánek et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Type III solar radio bursts are generated by beams of energetic electrons propagating through interplanetary space. These electron beams, released from the Sun, travel along the Parker spiral and grow...
www.astro.gla.ac.uk
December 28, 2025 at 3:13 PM
Polarization Analysis of Type III Langmuir/Z-mode Waves with Coherent Magnetic Component Observations by Solar Orbiter by T. Formánek et al. www.astro.gla.ac.uk/users/eduard...
High School Students Nationwide Help Monitor Solar Activities with Radio Antennas by M. Akhavan-Tafti et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
It may surprise you to learn that when the Sun has an outburst, such as a solar flare or a giant eruption of charged gas called a coronal mass ejection (CME), it threatens the health and safety of ast...
www.astro.gla.ac.uk
December 28, 2025 at 3:12 PM
High School Students Nationwide Help Monitor Solar Activities with Radio Antennas by M. Akhavan-Tafti et al. www.astro.gla.ac.uk/users/eduard...
Connecting energetic electrons at the Sun and in the heliosphere through X-ray and radio diagnostics by D. Paipa-Leon et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Solar flares accelerate energetic electrons. While some of them escape into interplanetary space and produce interplanetary Type III solar radio bursts, the electrons interacting with the solar atmosp...
www.astro.gla.ac.uk
December 28, 2025 at 3:12 PM
Connecting energetic electrons at the Sun and in the heliosphere through X-ray and radio diagnostics by D. Paipa-Leon et al. www.astro.gla.ac.uk/users/eduard...
Synchrotron or not – analysis of two-part type II bursts by Silja Pohjolainen www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
A distinct class of interplanetary (IP) type II bursts that show single-lane, wide-band diffuse emission has been identified, but how these bursts are formed is still unclear. The radio burst on June ...
www.astro.gla.ac.uk
December 28, 2025 at 3:02 PM
Synchrotron or not – analysis of two-part type II bursts by Silja Pohjolainen www.astro.gla.ac.uk/users/eduard...
ALMA Observations of Solar Spicules in a Coronal Hole by T. S. Bastian et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Solar spicules were discovered by the Jesuit priest Angelo Secchi in 1877. They are small plasma jets of a few hundred kilometers in diameter that are launched to heights >10 Mm with speeds ranging fr...
www.astro.gla.ac.uk
December 28, 2025 at 3:02 PM
ALMA Observations of Solar Spicules in a Coronal Hole by T. S. Bastian et al. www.astro.gla.ac.uk/users/eduard...
Multi-spacecraft Radio Observations Trace the Heliospheric Magnetic Field by D. L. Clarkson et al. www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Solar flares accelerate energetic electrons that escape into interplanetary space, guided by the Parker spiral magnetic field, and are responsible for the generation of the interplanetary Type III sol...
www.astro.gla.ac.uk
December 28, 2025 at 3:01 PM
Multi-spacecraft Radio Observations Trace the Heliospheric Magnetic Field by D. L. Clarkson et al. www.astro.gla.ac.uk/users/eduard...
X-ray/Radio Quasi-periodic Pulsations Associated with Plasmoids in Solar Flare Current Sheets by Kumar, Karpen, and Dahlin www.astro.gla.ac.uk/users/eduard...
Solar Radio Astronomy - CESRA
Plasmoids (or magnetic islands) are believed to play an important role in the onset of fast magnetic reconnection and particle acceleration during solar flares and eruptions. Direct imaging of flare c...
www.astro.gla.ac.uk
December 28, 2025 at 3:01 PM
X-ray/Radio Quasi-periodic Pulsations Associated with Plasmoids in Solar Flare Current Sheets by Kumar, Karpen, and Dahlin www.astro.gla.ac.uk/users/eduard...