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相关论文: A New Look at Type III Bursts and their Use as Cor…

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Non-thermal electrons accelerated in the solar corona can produce intense coherent radio emission, known as solar type III radio bursts. This intense radio emission is often observed from hundreds of MHz in the corona down to the tens of…

太阳与恒星天体物理 · 物理学 2014-12-10 H. Ratcliffe , E. P. Kontar , H. A. S. Reid

The Sun is an active source of radio emission which is often associated with the acceleration of electrons arising from processes such as solar flares and coronal mass ejections (CMEs). At low radio frequencies (<100 MHz), numerous solar S…

太阳与恒星天体物理 · 物理学 2019-04-17 D. E. Morosan , P. T. Gallagher

Understanding the properties of type III radio bursts in the solar corona and interplanetary space is one of the best ways to remotely deduce the characteristics of solar accelerated electron beams and the solar wind plasma. One feature of…

太阳与恒星天体物理 · 物理学 2015-05-13 Hamish A. S. Reid , Eduard P. Kontar

Using the Wind/WAVES radio observations from 2010-2013, we present an analysis of the 123 decametric-hectometric (DH) type II solar radio bursts during this period, the associated type III burst properties, and their correlation with solar…

太阳与恒星天体物理 · 物理学 2015-08-19 L. M. Winter , K. Ledbetter

We report observations of type III radio bursts at decimeter wavelengths (type IIIdm bursts) -- signatures of suprathermal electron beams propagating in the low corona -- using the new technique of radio dynamic imaging spectroscopy…

太阳与恒星天体物理 · 物理学 2015-06-12 Bin Chen , Timothy S. Bastian , Stephen M. White , Dale E. Gary , Richard A. Perley , Michael P. Rupen , Brent R. Carlson

This work reports a peculiar and interesting train of microwave type III pair bursts in the impulsive rising phase of a solar flare on 2011 September 26. The observations include radio spectrometers at frequency of 0.80 - 2.00 GHz, hard…

太阳与恒星天体物理 · 物理学 2016-09-28 Baolin Tan , Marian Karlicky , Hana Meszarosova , Larisa Kashapova , Jing Huang , Yan Yan , Eduard P. Kontar

Type III radio bursts are the result of plasma emission from mildly relativistic electron beams propagating from the low solar corona into the heliosphere where they can eventually be detected in situ if they align with the location of a…

Understanding electron acceleration associated with magnetic energy release at sub-second scales presents a major challenges in solar physics. Solar radio spikes observed as sub-second, narrow bandwidth bursts with…

太阳与恒星天体物理 · 物理学 2023-04-06 Daniel L. Clarkson , Eduard P. Kontar , Nicole Vilmer , Mykola Gordovskyy , Xingyao Chen , Nicolina Chrysaphi

Solar radio type III bursts are believed to be the most sensitive signature of near-relativistic electron beam propagation in the corona. A solar radio type IIIb-III pair burst with fine frequency structures, observed by the Low Frequency…

太阳与恒星天体物理 · 物理学 2018-04-11 Xingyao Chen , Eduard P. Kontar , Sijie Yu , Yihua Yan , Jing Huang , Baolin Tan

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…

This study aims to investigate the ambiguous source and the underlying physical processes of the solar type III radio bursts that occurred on April 3, 2019, through the utilization of multiwavelength observations from the LOFAR radio…

太阳与恒星天体物理 · 物理学 2023-12-20 Mohamed Nedal , Kamen Kozarev , Peijin Zhang , Pietro Zucca

We present coronal density profiles derived from low-frequency (80-240 MHz) imaging of three type III solar radio bursts observed at the limb by the Murchison Widefield Array (MWA). Each event is associated with a white light streamer at…

太阳与恒星天体物理 · 物理学 2018-10-17 Patrick I. McCauley , Iver H. Cairns , John Morgan

The Sun is an active source of radio emission which is often associated with energetic phenomena such as solar flares and coronal mass ejections (CMEs). At low radio frequencies (<100 MHz), the Sun has not been imaged extensively because of…

The type III observations trace the propagation of energetic electron populations through the Solar Corona which, more often than not, precede or are associated with energy release on the Sun. A sample of Type III bursts in the range 20-650…

Type III bursts and hard X-rays are both produced by flare energetic electron beams. The link between both emissions has been investigated in many previous studies, but no statistical studies have compared both coronal and interplanetary…

太阳与恒星天体物理 · 物理学 2017-01-04 Hamish A. S. Reid , Nicole Vilmer

Solar type III radio bursts contain a wealth of information about the dynamics of electron beams in the solar corona and the inner heliosphere; currently unobtainable through other means. However, the motion of different regions of an…

太阳与恒星天体物理 · 物理学 2018-06-20 Hamish A. S. Reid , Eduard P. Kontar

Radio observations from space allow to characterize solar radio bursts below the ionospheric cutoff, which are otherwise inaccessible, but suffer from low, insufficient temporal resolution. In this Letter we present novel, high-temporal…

太阳与恒星天体物理 · 物理学 2024-10-25 Antonio Vecchio , Milan Maksimovic , Nicolina Chrysaphi , Eduard P. Kontar , Vratislav Krupar

Energetic electrons accelerated by solar flares often give rise to type III radio bursts at a broad waveband and even interplanetary type III bursts (IT3) if the wavelength extends to decameter-kilometer. In this Letter, we investigate the…

太阳与恒星天体物理 · 物理学 2020-07-29 Y. K. Kou , Z. C. Jing , X. Cheng , W. Q. Pan , Y. Liu , C. Li , M. D. Ding

The Sun is the source of different types of radio bursts that are associated with solar flares, for example. Among the most frequently observed phenomena are type III solar bursts. Their radio images at low frequencies (below 100 MHz) are…

The Parker Solar Probe (PSP) spacecraft observed a large coronal mass ejection (CME) on 5 September 2022, shortly before closest approach during the 13th PSP solar encounter. For several days following the CME, PSP detected a storm of Type…

太阳与恒星天体物理 · 物理学 2024-12-10 Marc Pulupa , Stuart D. Bale , Immanuel Christopher Jebaraj , Orlando Romeo , Säm Krucker
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