Community of European Solar Radio Astronomers (CESRA)

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://cesra.net

112 followers168 following107 posts

Community of European Solar Radio Astronomers (CESRA)
@cesra.bsky.social

LOFAR Imaging spectroscopy reveals spike-like repeating radio burst pairs in the solar corona by Suli Ma et al. cesra.net?p=4461 #astronomy #radioastronomy #astrosci

cesra.netLOFAR Imaging spectroscopy reveals spike-like repeating radio burst pairs in the solar corona by Suli Ma et al. - CESRA: Community of European Solar Radio AstronomersThe solar atmosphere is a turbulent and magnetized environment, with the release of magnetic energy readily manifesting as emission across the electromagnetic spectrum. Solar radio emission dominates ...
Community of European Solar Radio Astronomers (CESRA)
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First Observational Evidence for Meridional Flow-like Profile in 17 GHz: Magnetic Trees on the Sun? by Srinjana Routh et al. cesra.net?p=4475 #radioastronomy #astronomy

cesra.netFirst Observational Evidence for Meridional Flow-like Profile in 17 GHz: Magnetic Trees on the Sun? by Srinjana Routh et al. - CESRA: Community of European Solar Radio AstronomersDecrypting the behaviour of large-scale flows in the Sun, namely the differential rotation and the meridional circulation, is detrimental to the understanding of the evolution of the solar magnetic fi...
Community of European Solar Radio Astronomers (CESRA)
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A 19-day solar radio burst: a corotating radio reservoir in the outer corona by Vratislav Krupar et al. cesra.net?p=4432 #astronomy #radioastronomy

cesra.netA 19-day solar radio burst: a corotating radio reservoir in the outer corona by Vratislav Krupar et al. - CESRA: Community of European Solar Radio AstronomersSolar radio astronomers are used to type IV bursts as the long afterglow of eruptive activity: broadband continua, often polarized, produced by energetic electrons trapped in post-eruption magnetic st...

Community of European Solar Radio Astronomers (CESRA) reposted

AstroArxiv
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Imaging spectroscopy reveals spike-like repeating radio burst pairs in the solar corona. Suli Ma et. al. https://arxiv.org/abs/2605.23484

Community of European Solar Radio Astronomers (CESRA) reposted

Science X / Phys.org
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A solar flare produced three coherent radio sources in different parts of the same region. Their differing spectra point to separate populations of accelerated electrons linked to distinct magnetic structures. doi.org/hb66nn

phys.orgMeerKAT reveals three electron acceleration sites in one solar flareSolar flares are the most explosive energy-release events in the solar corona, leading to intense particle acceleration, plasma heating and bulk plasma motions on short timescales.
Community of European Solar Radio Astronomers (CESRA)
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MeerKAT imaging spectroscopy reveals multiple electron acceleration sites in a solar flare by Luo et al. cesra.net?p=4438 #astronomy #radioastronomy #astrosci

cesra.netMeerKAT imaging spectroscopy reveals multiple electron acceleration sites in a solar flare by Luo et al. - CESRA: Community of European Solar Radio AstronomersSolar flares are the most explosive energy-release events in the solar corona, leading to intense particle acceleration, plasma heating, and bulk plasma motions on short timescales. Core questions dur...
Community of European Solar Radio Astronomers (CESRA)
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Low frequency radio observations of the ‘quiet’ corona during the descending phase of sunspot cycle 24 by R. Ramesh et al.* cesra.net?p=2698 #astronomy #radioastronomy #astrosci

cesra.netLow frequency radio observations of the ‘quiet’ corona during the descending phase of sunspot cycle 24 by R. Ramesh et al.* - CESRA: Community of European Solar Radio AstronomersThe shape, size and electron density (Ne) of the corona varies with the sunspot cycle, which is now very well established by white-light observations. In our study, we investigated the ‘quiet’ solar c...
Community of European Solar Radio Astronomers (CESRA)
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Magnetic Reconnection during the Post-impulsive Phase of a Long-duration Solar Flare by S. Yu et al. cesra.net?p=2711 #radioastronomy #astronomy

cesra.netMagnetic Reconnection during the Post-impulsive Phase of a Long-duration Solar Flare by S. Yu et al. - CESRA: Community of European Solar Radio AstronomersMagnetic reconnection, a fundamental process in astrophysical environment plasma is believed to facilitate the release of energy stored in the magnetic field. However, where the magnetic reconnections...
Community of European Solar Radio Astronomers (CESRA)
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Solar polarization observations at 3 and 13 mm by J. Kallunki and M. Tornikoski cesra.net?p=2549 #radioastronomy #astrosci

cesra.netSolar polarization observations at 3 and 13 mm by J. Kallunki and M. Tornikoski - CESRA: Community of European Solar Radio AstronomersMicrowave solar polarization observations give us information about the magnetic field of the solar atmosphere. They are important for understanding the various solar activity phenomena and emission m...
Community of European Solar Radio Astronomers (CESRA)
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VLA Measurements of Faraday Rotation through a Coronal Mass Ejection Using Multiple Lines of Sight by J. E. Kooi et al.* cesra.net?p=2793 #AstroSci #radioastronomy

cesra.netVLA Measurements of Faraday Rotation through a Coronal Mass Ejection Using Multiple Lines of Sight by J. E. Kooi et al.* - CESRA: Community of European Solar Radio AstronomersThe Sun is the main source of space weather, and one type of solar event that is critical to space weather is a coronal mass ejection. Coronal mass ejections (CMEs) are large eruptions of magnetized p...
Community of European Solar Radio Astronomers (CESRA)
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Interplanetary Type III radio Emission Locations determined from the Underlying Electron Exciter Beam Kinematics by Michael Reiner cesra.net?p=4234 #astronomy #radioastronomy #astrosci

cesra.netInterplanetary Type III radio Emission Locations determined from the Underlying Electron Exciter Beam Kinematics by Michael Reiner - CESRA: Community of European Solar Radio AstronomersType III solar radio bursts, which appear as characteristic frequency-drifting features on radio dynamic spectra, are generated by energetic beams of electrons originating in solar active regions and ...

Community of European Solar Radio Astronomers (CESRA) reposted

IOP Publishing
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Between August 21st and September 9th of 2025, the Sun produced a record-breaking Type IV radio burst that lasted 19 days ☀️. Using a new analysis technique with data from STEREO-A missions, scientists were able to find the source of the burst 🔭: https://ow.ly/S4ok50Z2Ubx #astrophysics #astronomy

Community of European Solar Radio Astronomers (CESRA)
@cesra.bsky.social

An Analysis of Interplanetary Solar Radio Emissions Associated with a Coronal Mass Ejection by V. Krupar et al.* cesra.net?p=817 #astronomy #astrosci

cesra.netAn Analysis of Interplanetary Solar Radio Emissions Associated with a Coronal Mass Ejection by V. Krupar et al.* - CESRA: Community of European Solar Radio AstronomersType II and type III bursts are generated, via the plasma emission mechanism, when beams of suprathermal electrons interact with the ambient plasma generating radio emissions at the plasma frequency f...
Community of European Solar Radio Astronomers (CESRA)
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Analyzing the propagation of EUV waves and their connection with type II radio bursts by combining numerical simulations and multi-instrument observations by A. Koukras et al.* cesra.net?p=2817 #AstroSci

cesra.netAnalyzing the propagation of EUV waves and their connection with type II radio bursts by combining numerical simulations and multi-instrument observations by A. Koukras et al.* - CESRA: Community of E...EUV (EIT) waves are wavelike disturbances of enhanced extreme ultraviolet (EUV) emission that propagate away from an eruptive region. Recent years have seen much debate over their nature, with three m...
Community of European Solar Radio Astronomers (CESRA)
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A solar jet-induced perturbation propagating through coronal loops and in-loop electron beam transport as indicated by type II and type N radio bursts by Xiangliang Kong cesra.net?p=4237 #Astronomy #RadioAstronomy

cesra.netA solar jet-induced perturbation propagating through coronal loops and in-loop electron beam transport as indicated by type II and type N radio bursts by Xiangliang Kong - CESRA: Community of European...Solar type II radio bursts are slow-drifting emissions in radio dynamic spectra, traditionally interpreted as signatures of shock waves driven by fast coronal mass ejections (CMEs). They provide the p...
Community of European Solar Radio Astronomers (CESRA)
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Anisotropic radio-wave scattering in the solar corona Nicolina Chrysaphi et al.* cesra.net?p=2399 #astronomy #radioastronomy

cesra.netAnisotropic radio-wave scattering in the solar corona Nicolina Chrysaphi et al.* - Community of European Solar Radio AstronomersSolar radio emission is produced in the turbulent medium of the solar atmosphere, and its observed properties (source position, size, time profile, polarization, etc.) are significantly affected by th...
Community of European Solar Radio Astronomers (CESRA)
@cesra.bsky.social

Polarisation and source structure of solar stationary type IV radio bursts by C. Salas-Matamoros and L. Klein cesra.net?p=2677 #astronomy #radioastronomy

cesra.netPolarisation and source structure of solar stationary type IV radio bursts by C. Salas-Matamoros and L. Klein - Community of European Solar Radio AstronomersA coronal mass ejection (CME) is a phenomenon which produces large-scale ejections of mass and magnetic field from the lower corona into the interplanetary space (e.g. Forbes, 2000). The ejection of C...
Community of European Solar Radio Astronomers (CESRA)
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Radio Scintillation Observations of the Plasma Tail of Interstellar Comet 2I/Borisov, by P K Manoharan et al.* cesra.net?p=3452 #Astronomy #RadioAstronomy

cesra.netRadio Scintillation Observations of the Plasma Tail of Interstellar Comet 2I/Borisov, by P K Manoharan et al.* - Community of European Solar Radio AstronomersComet 2I/Borisov was only the second interstellar object known to have entered the solar system. The highly eccentric, hyperbolic orbit of 2I/Borisov and its high inclination to the ecliptic plane dem...
Community of European Solar Radio Astronomers (CESRA)
@cesra.bsky.social

Signatures of Large-scale Magnetic Field Disturbances and Switchbacks in Interplanetary Type III Radio Bursts by Daniel L. Clarkson et al. cesra.net?p=4215 #Astronomy #RadioAstronomy

cesra.netSolar Radio Astronomy - CESRASolar radio bursts are intrinsically linked to the motion of their emitting source through the coronal and heliospheric plasma. Electron transport is mostly confined to magnetic field lines. These ele...
Community of European Solar Radio Astronomers (CESRA)
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Estimate of Plasma Temperatures across a CME-driven Shock from a Comparison between EUV and Radio Data by F. Frassati et al.* www.astro.gla.ac.uk/users/eduard... #astronomy #radioastronomy

astro.gla.ac.ukSolar Radio Astronomy - CESRAType II radio bursts, produced near the local plasma frequency and/or its harmonic by energetic electrons accelerated by shock waves moving outward through the inner heliosphere, have long been recogn...

Community of European Solar Radio Astronomers (CESRA) reposted

AstroArxiv
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First Detailed MeerKAT Imaging Spectroscopy of a Solar Flare. Yingjie Luo (1) et. al. https://arxiv.org/abs/2602.05282

Community of European Solar Radio Astronomers (CESRA)
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The active region source of a type III radio storm observed by Parker Solar Probe during encounter 2 by L. Harra et al* www.astro.gla.ac.uk/users/eduard... #astronomy #radioastronomy

astro.gla.ac.ukSolar Radio Astronomy - CESRADuring encounter 2 of NASA’s PSP mission there was a large amount of radio activity and, in particular, a noise storm of frequent, small type III bursts from 31 March to 6 April 2019. Our aim is to in...
Community of European Solar Radio Astronomers (CESRA)
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Properties of High-Frequency Type II Radio Bursts and Their Relation to the Associated Coronal Mass Ejections by A.C. Umuhire et al.* www.astro.gla.ac.uk/users/eduard... #astronomy

astro.gla.ac.ukSolar Radio Astronomy - CESRAType II radio bursts are slow-drifting and long-lasting radio emission produced by nonthermal electrons accelerated at shocks propagating through the solar corona and interplanetary medium (Nelson & M...
Community of European Solar Radio Astronomers (CESRA)
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Searching for optical/EUV counterparts of type IIs in a complex metric burst 
by Costas Alissandrakis et al.* www.astro.gla.ac.uk/users/eduard... #astronomy #radioastronomy

astro.gla.ac.ukSolar Radio Astronomy - CESRASolar type II bursts are sporadic emissions characterized by their narrow bandwidth and slow frequency drift in dynamic spectra ( Nelson & Melrose, 1985 ; Vršnak & Cliver 2008 ; Nindos et al. 2008 ; P...
Community of European Solar Radio Astronomers (CESRA)
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Flare Accelerated Electron Transport in Type III Solar Radio Bursts: large-scale transport and super-diffusive beam expansion by E. P. Kontar et al. www.astro.gla.ac.uk/users/eduard... #astronomy #radioastronomy

astro.gla.ac.ukSolar Radio Astronomy - CESRASolar flares, the most powerful magnetic explosions in our solar system, are often accompanied by intense bursts of radio emission known as type III solar radio bursts. These bursts provide valuable c...