English
Related papers

Related papers: e-CALLISTO FITS Analyzer: A Software Framework for…

200 papers

Solar radio bursts exhibit complex fine structures that reveal intricate coronal plasma dynamics. Here, we report detection of spike-like repeating burst pairs, characterized by two short-lived (0.1-2 s), narrowband components separated by…

Solar and Stellar Astrophysics · Physics 2026-05-28 Suli Ma , Eduard P. Kontar , Daniel L. Clarkson , Huadong Chen , Yihua Yan

The Rosse Solar-Terrestrial Observatory (RSTO; www.rosseobservatory.ie) was established at Birr Castle, Co. Offaly, Ireland (53 05'38.9", 7 55'12.7") in 2010 to study solar radio bursts and the response of the Earth's ionosphere and…

Solar and Stellar Astrophysics · Physics 2015-06-04 P. Zucca , E. P. Carley , J. McCauley , P. T. Gallagher , C. Monstein , R. T. J. McAteer

Solar coronal radio bursts are enhanced radio emission excited by energetic electrons accelerated during solar eruptions, studies on which are important for investigating the origin and physical mechanism of energetic particles and further…

Solar and Stellar Astrophysics · Physics 2016-08-08 S. W. Feng , Y. Chen , H. Q. Song , B. Wang , X. L. Kong

We have studied low-frequency (45 - 410 MHz) type III solar radio bursts observed using the e-CALLISTO spectrometer located at Gauribidanur radio observatory, India during 2013 - 2017. After inspecting the 1531 type III bursts we found that…

Solar and Stellar Astrophysics · Physics 2021-06-22 Mahender Aroori , K. Sasikumar Raja , R. Ramesh , Vemareddy Panditi , Christian Monstein , Yellaiah Ganji

Type II radio bursts are signatures of shock waves generated by solar eruptions, observed at radio wavelengths. While metric (m) type II bursts originate in the lower corona, their longer-wavelength (up to kilometers) counterparts extend…

Solar and Stellar Astrophysics · Physics 2025-10-06 Pooja Devi , Ramesh Chandra , Rositsa Miteva , M. Syed Ibrahim , Kamal Joshi

The most intense solar energetic particle events are produced by coronal mass ejections (CMEs) accompanied by intense type II radio bursts below 15 MHz. Understanding where these type II bursts are generated relative to an erupting CME…

Solar and Stellar Astrophysics · Physics 2021-12-08 Alexander M. Hegedus , Ward B. Manchester , Justin C. Kasper

On November 4th 2015 secondary air traffic control radar was strongly disturbed in Sweden and some other European countries. The disturbances occurred when the radar antennas were pointing at the Sun. In this paper, we show that the…

Solar and Stellar Astrophysics · Physics 2018-08-22 C. Marqué , K. -L. Klein , C. Monstein , H. Opgenoorth , A. Pulkkinen , S. Buchert , S. Krucker , R. Van Hoof , P. Thulesen

Context. Observations of solar type II radio bursts provide a unique opportunity to analyze the non-thermal electrons accelerated by coronal shocks and also to diagnose the plasma density distribution in the corona. However, there are very…

Solar and Stellar Astrophysics · Physics 2024-03-29 Peijin Zhang , Diana E. Morosan , Pietro Zucca , Sanna Normo , Bartosz Dabrowski , Andrzej Krankowski , Christian Vocks

Drift-pair bursts are an unusual type of solar low-frequency radio emission, which appear in the dynamic spectra as two parallel drifting bright stripes separated in time. Recent imaging spectroscopy observations allowed for the…

Solar and Stellar Astrophysics · Physics 2020-07-30 Alexey A. Kuznetsov , Nicolina Chrysaphi , Eduard P. Kontar , Galina Motorina

Context. Periodicities have frequently been reported across many wavelengths in the solar corona. Correlated periods of ~5 minutes, comparable to solar p-modes, are suggestive of coupling between the photosphere and the corona. Aims. Our…

Solar radio bursts (SRBs) detection is crucial for solar physics research and space weather forecasting. The main challenges faced are noise interference in the spectrum and the diversity of SRBs. However, most research focuses on…

Instrumentation and Methods for Astrophysics · Physics 2025-03-25 Mingming Wang , Guowu Yuan , Hao Zhou , Chengming Tan , Hao Wu

The interpretation of solar radio bursts observed by Parker Solar Probe (PSP) in the encounter phase plays a key role in understanding intrinsic properties of the emission mechanism in the solar corona. Lower time-frequency resolution of…

Solar and Stellar Astrophysics · Physics 2021-12-22 Aleksander A. Stanislavsky , Igor N. Bubnov , Artem A. Koval , Serge N. Yerin

Solar S-bursts are short duration ($<1$ s at decameter wavelengths) radio bursts that have been observed during periods of moderate solar activity, where S stands for short. The frequency drift of S-bursts can reflect the density variation…

We present the statistical analysis of the spectral response of solar radio type III bursts over the wide frequency range between 20 kHz and 410 MHz. For this purpose, we have used observations that were carried out using both spaced-based…

Coronal mass ejections (CMEs) are major drivers of space weather in the Solar System, but their occurrence rate on other stars is unknown. A characteristic (deca-)metric radio burst with a time-frequency drift, known as a Type II radio…

We present first results of a solar radio event observed with the Owens Valley Radio Observatory Long Wavelength Array (OVRO-LWA) at metric wavelengths. We examine a complex event consisting of multiple radio sources/bursts associated with…

Solar and Stellar Astrophysics · Physics 2021-01-27 Sherry Chhabra , Dale E. Gary , Gregg Hallinan , Marin M. Anderson , Bin Chen , Lincoln J. Greenhill , Danny C. Price

Solar type II radio bursts are the signature of particle acceleration by shock waves in the solar corona and interplanetary medium. The shocks originate in solar eruptions involving coronal mass ejections (CMEs) moving at super-Alfvenic…

Solar and Stellar Astrophysics · Physics 2019-12-17 Nat Gopalswamy , Pertti Mäkelä , Seiji Yashiro

Solar radio type II bursts are slow-drifting bursts that exhibit various distinct features such as Fundamental (F) and Harmonic (H) emissions, band-splitting, and discrete fine structures in the dynamic spectra. Observationally, it has been…

Solar and Stellar Astrophysics · Physics 2025-11-20 Rishikesh G. Jha , K. Sasikumar Raja , R. Ramesh , C. Kathiravan , Christian Monstein

This paper investigates the incidence of coherent emission in solar radio bursts, using a revised catalog of 3800 solar radio bursts observed by the Nobeyama Radio Polarimeters from 1988 to 2023. We focus on the 1.0 and 2.0 GHz data, where…

We present complex radio bursts recorded by the radiospectrograph ARTEMIS-IV in the active period of January 2005. The wide spectral coverage of this recorder, in the 650-20 MHz range, permits an analysis of the radio bursts from the base…

Solar and Stellar Astrophysics · Physics 2010-09-23 K. Bouratzis , P. Preka-Papadema , A. Hillaris , X. Moussas , C. Caroubalos , V. Petoussis , P. Tsitsipis , A. Kontogeorgos