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相关论文: Type IV Radio Bursts and Associated Active Regions…

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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

Coronal mass ejections (CMEs) on stars other than the Sun have proven very difficult to detect. One promising pathway lies in the detection of type II radio bursts. Their appearance and distinctive properties are associated with the…

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

Coronal mass ejections (CMEs) are massive expulsions of magnetised plasma from a star, and are the largest contributors to space weather in the Solar System. CMEs are theorized to play a key role in planetary atmospheric erosion, especially…

Type IV radio burst has been studied for over 50 years. However, the specifics of the radio emission mechanisms is still an open question. In order to provide more information about the emission mechanisms, we studied a moving type IV radio…

太阳与恒星天体物理 · 物理学 2022-09-28 Hongyu Liu , Pietro Zucca , Kyung-Suk Cho , Anshu Kumari , Peijin Zhang , Jasmina Magdalenic , Rok-Soon Kim , Sujin Kim , Juhyung Kang

Aims: We identify the source of fast-drifting decimetric-metric radio emission that is sometimes observed prior to the so-called flare continuum emission. Fast-drift structures and continuum bursts are also observed in association with…

天体物理学 · 物理学 2008-08-26 S. Pohjolainen

In this report we present a complex metric burst, associated with the 14 July 2000 major solar event, recorded by the ARTEMIS-IV radio spectrograph at Thermopylae. Additional space-borne and Earth-bound observational data are used, in order…

A CALLISTO system was set up at the Arthur C Clarke Institute and connected to the e-CALLISTO global network which observes the solar radio bursts in 24 hours. CALLISTO is the foremost observation facility to investigate celestial objects…

太阳与恒星天体物理 · 物理学 2023-08-04 J Adassuriya , S Gunasekera , KPSC Jayaratne , C Monstein

In this work, we examine the association between solar active regions and 152 solar flares, coronal mass ejections, and solar energetic particle (SEP) events over solar cycles 23-24 (1997-2017). The CDAW center's GOES data in the energy…

太阳与恒星天体物理 · 物理学 2025-04-21 Raj Kumar , Ramesh Chandra , Bimal Pande , Seema Pande

Solar active regions are driven dissipative dynamical systems. The turbulent convection zone forces new magnetic flux tubes to rise above the photosphere and shuffles the magnetic fields which are already above the photosphere. The driven…

天体物理学 · 物理学 2009-09-29 Loukas Vlahos

Coronal mass ejections (CMEs) are large clouds of magnetized plasma ejected from the Sun, and are often associated with acceleration of electrons that can result in radio emission via various mechanisms. However, the underlying mechanism…

太阳与恒星天体物理 · 物理学 2022-05-25 Lei Lu , Li Feng , Weiqun Gan

The first appearance of radio type II burst emission at decameter-hectometer (DH) waves typically occurs in connection, and often simultaneously, with other types of radio emissions. As type II bursts are signatures of propagating shock…

太阳与恒星天体物理 · 物理学 2021-05-18 Silja Pohjolainen , Nasrin Talebpour Sheshvan

We present a statistical study of dynamical and kinetic characteristics of CMEs which show temporal and spatial association with flares and type II radio bursts or complex radio events of type II bursts and type IV continua. This study is…

太阳与恒星天体物理 · 物理学 2010-09-24 M. Georgiou , E. Mitsakou , G. Pothitakis , A. Hillaris , P. Preka-Papadema , X. Moussas

This paper presents a detailed study of the type II solar radio burst that occurred on 06 March 2014 using combined data analysis. It is a classical radio event consisting of type III radio burst and a following type II radio burst in the…

太阳与恒星天体物理 · 物理学 2024-04-02 V. Vasanth

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…

太阳与恒星天体物理 · 物理学 2019-08-30 Dayal Singh , K. Sasikumar Raja , Prasad Subramanian , R. Ramesh , Christian Monstein

We report on further evidence that solar energetic particles are organized by the kinematic properties of coronal mass ejections (CMEs)[1]. In particular, we focus on the starting frequency of type II bursts, which is related to the…

太阳与恒星天体物理 · 物理学 2017-10-11 N Gopalswamy , P Mäkelä , S Yashiro , N Thakur , S Akiyama , H Xie

In this paper, we present for the first time a comprehensive statistical study between type II radio bursts from the metric (m) to the dekameric-hectometric (DH) domain and their associated solar and space weather (SW) phenomena, namely,…

太阳与恒星天体物理 · 物理学 2025-07-03 Pooja Devi , Rositsa Miteva , Ramesh Chandra , Kostadinka Koleva , Bendict Lawrance

Solar radio bursts can provide important insights into the underlying physical mechanisms that drive the small and large-scale eruptions on the Sun. Since metric radio observations can give us direct observational access to the inner and…

太阳与恒星天体物理 · 物理学 2025-07-09 A. Kumari , D. E. Morosan , V. Mugundhan , P. Zhang , J. Magdalenic , P. Zucca , E. K. J. Kilpua , F. Daei

We report and examine the observation of an unusual and rare in-situ electron observation associated with a solar type III radio burst on 24 December 1996. This radio event was accompanied by high energy electrons, measured by the Solid…