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相关论文: Observation of Solar Radio Bursts Using E-Callisto…

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Type-II radio bursts are typically observed below ~ 400 MHz, with narrow-band slowly-drifting fundamental and harmonic structures. Here we report an unusual high-frequency wide-band type-II burst with starting frequency as high as 600 - 700…

太阳与恒星天体物理 · 物理学 2025-05-07 V. Vasanth , Yao Chen , G. Michalek

New results in the study of solar type III bursts observed with the UTR-2 radio telescope are presented. The main feature of these bursts is a high-frequency cut-off. The solar activity manifestation was connected with the emergency of a…

太阳与恒星天体物理 · 物理学 2018-12-19 A. A. Stanislavsky

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…

Solar Radio Bursts (SRBs) are generally observed in dynamic spectra and have five major spectral classes, labelled Type I to Type V depending on their shape and extent in frequency and time. Due to their complex characterisation, a…

太阳与恒星天体物理 · 物理学 2021-05-31 Jeremiah Scully , Ronan Flynn , Eoin Carley , Peter Gallagher , Mark Daly

The Sun periodically emits intense bursts of radio emission known as solar radio bursts (SRBs). These bursts can disrupt radio communications and be indicative of large solar events that can disrupt technological infrastructure on Earth and…

We have performed statistical analysis of a large number of Type III radio bursts observed by STEREO between May 2007 and February 2013. Only intense, simple, and isolated cases have been included in our data set. We have focused on the…

太阳与恒星天体物理 · 物理学 2015-06-23 Vratislav Krupar , Milan Maksimovic , Ondrej Santolik , Baptiste Cecconi , Oksana Kruparova

We present a statistical study on the observed solar radio burst emission associated with the origin of in situ detected solar energetic particles. Several proton event catalogs in the period 1996$-$2016 are used. At the time of appearance…

太阳与恒星天体物理 · 物理学 2017-11-28 Rositsa Miteva , Susan W. Samwel , Vratislav Krupar

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…

太阳与恒星天体物理 · 物理学 2019-12-17 Nat Gopalswamy , Pertti Mäkelä , Seiji Yashiro

Type-I solar noise storms are perhaps the most commonly observed active radio emissions from the Sun at meter-wavelengths. Noise storms have a long-lived and wideband continuum background with superposed islands of much brighter narrowband…

太阳与恒星天体物理 · 物理学 2024-11-22 Surajit Mondal , Devojyoti Kansabanik , Divya Oberoi , Soham Dey

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…

太阳与恒星天体物理 · 物理学 2025-11-20 Rishikesh G. Jha , K. Sasikumar Raja , R. Ramesh , C. Kathiravan , Christian Monstein

We have performed a statistical study of $152$ Type III radio bursts observed by Solar TErrestrial RElations Observatory (STEREO)/Waves between May 2007 and February 2013. We have investigated the flux density between $125$kHz and $16$MHz.…

太阳与恒星天体物理 · 物理学 2014-10-09 V. Krupar , M. Maksimovic , O. Santolik , E. P. Kontar , B. Cecconi , S. Hoang , O. Kruparova , J. Soucek , H. Reid , A. Zaslavsky

Solar radio bursts are some of the brightest emissions at radio frequencies in the solar system. The emission mechanisms that generate these bursts offer a remote insight into physical processes in solar coronal plasma, while fine spectral…

太阳与恒星天体物理 · 物理学 2024-01-10 Pearse C. Murphy , Baptiste Cecconi , Carine Briand , Stéphane Aicardi

A new acousto-optic radio spectrometer has observed the 1 - 2 GHz radio emission of solar flares with unprecedented sensitivity. The number of detected decimeter type III bursts is greatly enhanced compared to observations by conventional…

天体物理学 · 物理学 2009-10-31 Arnold O. Benz , Peter Messmer , Christian Monstein

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…

This study examines the shock speed and source height of coronal shock waves using Type II solar radio bursts. The solar radio burst data from January 2022 to October 2023 were obtained from eCALLISTO archive. The type II radio bursts were…

太阳与恒星天体物理 · 物理学 2025-04-02 G. L. S. S. Liyanage , J. Adassuriya , K. P. S. C. Jayaratne , C. Monstien

The successive type-II solar radio bursts observed on 31 July 2012 by the Bruny Island Radio Spectrometer (BIRS) in the frequency range between 62 - 6 MHz is reported and analyzed. The first type-II radio burst shows clear fundamental and…

太阳与恒星天体物理 · 物理学 2026-01-16 V. Vasanth

First-of-its-kind radio imaging of decameter solar stationary type IV radio burst has been presented in this paper. On 6 September 2014 the observations of type IV burst radio emission have been carried out with the two-dimensional…

太阳与恒星天体物理 · 物理学 2016-08-03 Artem Koval , Aleksander Stanislavsky , Yao Chen , Shiwei Feng , Aleksander Konovalenko , Yaroslav Volvach

The Sun is an active star that often produces numerous bursts of electromagnetic radiation at radio wavelengths. Low frequency radio bursts have recently been brought back to light with the advancement of novel radio interferometers.…

We present initial results from the Radio Frequency Spectrometer (RFS), the high frequency component of the FIELDS experiment on the Parker Solar Probe (PSP). During the first PSP solar encounter (2018 November), only a few small radio…

This paper presents a detailed description of various subsystems of CALLISTO solar radio spectrograph installed at the USO/PRL. In the front-end system, a log periodic dipole antenna (LPDA) is designed for the frequency range of 40-900 MHz.…

天体物理仪器与方法 · 物理学 2020-07-06 Kushagra Upadhyay , Bhuwan Joshi , Prabir K. Mitra , Ramit Bhattacharyya , Divya Oberoi , Christian Monstein