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Solar radio bursts (SRBs) are intense emissions observed in radio wavelengths most frequently during solar transients, such as coronal mass ejections (CMEs) and flares. SRBs are direct signatures of accelerated electrons in the solar…

In order to allow for a comparison with the measurements from other antenna systems, the voltage power spectral density measured by the Radio and Plasma waves receiver (RPW) on board Solar Orbiter needs to be converted into physical…

Fast Radio Bursts (FRBs) are short duration highly energetic dispersed radio pulses. We developed a generic formalism (Bera {\em et al.}, 2016) to estimate the FRB detection rate for any radio telescope with given parameters. By using this…

High Energy Astrophysical Phenomena · Physics 2018-12-24 Siddhartha Bhattacharyya

Solar flare is one of the most important solar activities which emit all electromagnetic waves in gigantic burst. The radio emission can be used to determine the physical properties of the solar flares. The e-CALLISTO worldwide network is…

Solar and Stellar Astrophysics · Physics 2023-08-04 D P S Nilagarathne , J Adassuriya , H O Wijewardane

Early and accurate prediction of solar active region (AR) emergence is crucial for space weather forecasting. Building on established Long Short-Term Memory (LSTM) based approaches for forecasting the continuum intensity decrease associated…

Solar and Stellar Astrophysics · Physics 2026-01-21 Jonas Tirona , Sarang Patil , Spiridon Kasapis , Eren Dogan , John Stefan , Irina N. Kitiashvili , Alexander G. Kosovichev , Mengjia Xu

Recently, several new solar radio telescopes have been put into operation and provided spectral-imaging observations with much higher resolutions in decimeter (dm) and centimeter (cm) wavelengths. These telescopes include the Mingantu…

Solar and Stellar Astrophysics · Physics 2023-11-27 Baolin Tan , Yihua Yan , Jing Huang , Yin Zhang , Chengming Tan , Xiaoshuai Zhu

Radio photons interact with anisotropic density fluctuations in the heliosphere, which can alter their trajectory and influence properties deduced from observations. This is particularly evident in solar radio observations, where…

Solar and Stellar Astrophysics · Physics 2024-04-03 Nicolina Chrysaphi , Milan Maksimovic , Eduard P. Kontar , Antonio Vecchio , Xingyao Chen , Aikaterini Pesini

Solar and interplanetary radio bursts can reflect the existence and motion of energetic electrons and are therefore a kind of vital phenomenon in solar activities. The present study reported a solar radio burst (SRB) event observed by…

Solar and Stellar Astrophysics · Physics 2024-06-18 Bing Ma , Ling Chen , De-Jin Wu , Marc Pulupa , Stuart D. Bale

Fast radio burst (FRB) science primarily revolves around two facets: the origin of these bursts and their use in cosmological studies. This work follows from previous redshift-dispersion measure ($z$-DM) analyses in which we model…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-19 Jordan Hoffmann , Clancy W. James , Marcin Glowacki , Jason X. Prochaska , Alexa C. Gordon , Adam T. Deller , Ryan M. Shannon , Stuart D. Ryder

Earth-based observations are complicated by the opacity of Earth's ionosphere at very low frequencies and strong man-made radio frequency interference. This explains long standing interest in building a low frequency radio telescope on the…

The aim of this work is to provide new insights on the dynamics associated to the resonances which arise as a consequence of the coupling of the effect due to the oblateness of the Earth and the Solar Radiation Pressure (SRP) effect for an…

Earth and Planetary Astrophysics · Physics 2022-12-14 Roberto Paoli

Radio bursts from the solar corona can provide clues to forecast space weather hazards. After recent technology advancements, regular monitoring of radio bursts has increased and large observational data sets are produced. Hence, manual…

Solar and Stellar Astrophysics · Physics 2019-08-30 Dayal Singh , K. Sasikumar Raja , Prasad Subramanian , R. Ramesh , Christian Monstein

Some short gamma-ray bursts (SGRBs) are thought to be caused by the mergers of binary neutron stars which may sometimes produce massive neutron star remnants capable of producing extragalactic fast radio bursts (FRBs). We conducted a deep…

Space Weather is the study of the conditions in the solar wind that can affect life on the surface of the Earth, particularly the increasingly technologically sophisticated devices that are part of modern life. Solar radio observations are…

Solar and Stellar Astrophysics · Physics 2024-05-03 Stephen M. White

Fast Radio Bursts (FRBs) are a powerful and mysterious new class of transient that are luminous enough to be detected at cosmological distances. By associating FRBs to host galaxies, we can measure intrinsic and environmental properties…

The association of persistent radio sources (PRSs) with repeating fast radio bursts (FRBs) offers unique insights into their circum-burst environments. Building upon the physical link between PRS luminosity ($L_\nu$) and FRB rotation…

High Energy Astrophysical Phenomena · Physics 2026-03-19 Yuan-Pei Yang

One of the most commonly observed solar radio sources in the metric and decametric wavelengths is the solar noise storm. These are generally associated with active regions and are believed to be powered by the plasma emission mechanism.…

Solar and Stellar Astrophysics · Physics 2025-08-19 Surajit Mondal , Peijin Zhang , Devojyoti Kansabanik , Divya Oberoi , Gillian Pearce

Decameter wavelength radio emission is finely structured in solar bursts. For their research it is very important to use a sufficient sensitivity of antenna systems. In this paper we study an influence of the radiotelescope-antenna…

Instrumentation and Methods for Astrophysics · Physics 2011-11-15 Aleksander Stanislavsky , Aleksander Konovalenko , Eduard Abranin , Vladimir Dorovskyy , Valentin Mel'nik , Michael Kaiser , Alain Lecacheux , Helmut Rucker

Accurate lung nodule detection for computed tomography (CT) scan imagery is challenging in real-world settings due to the sparse occurrence of nodules and similarity to other anatomical structures. In a typical positive case, nodules may…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Hooman Ramezani , Dionne Aleman , Daniel Létourneau