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相关论文: Latest news on zebra pattern

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Discussion about the nature of zebra-structure (ZS) in the type IV radio bursts continues, despite the ten proposed models. First of all, this is due to the wide variety of stripes in each new phenomenon, when the explanation of all the…

太阳与恒星天体物理 · 物理学 2017-04-11 G. P. Chernov , V. V. Fomichev , R. A. Sych

In the literature, discussion continues about the nature of the zebra structure (ZS) in type IV radio bursts, and understanding even the most extended mechanism associated with double plasma resonance has been improved in series of works.…

太阳与恒星天体物理 · 物理学 2018-07-25 G. P. Chernov

We analyze complex zebra patterns and fiber bursts during type-IV solar radio bursts on August 1, 2010. It was shown that all of the main details of sporadic zebra patterns can be explained within the model of zebra patterns and fiber…

太阳与恒星天体物理 · 物理学 2018-12-12 G. P. Chernov , V. V. Fomichev , R. A. Sych

Microwave zebra pattern structure is an intriguing fine structure on the dynamic spectra of solar type IV radio burst. Up to now, there isn't a perfect physical model for the origin of the solar microwave zebra pattern. Recently, Ledenev,…

太阳与恒星天体物理 · 物理学 2014-11-20 Baolin Tan

The microwave zebra pattern (ZP) is the most interesting, intriguing, and complex spectral structure frequently observed in solar flares. A comprehensive statistical study will certainly help us to understand the formation mechanism, which…

太阳与恒星天体物理 · 物理学 2015-06-18 Baolin Tan , Chengming Tan , Yin Zhang , H. Meszarosova , M. Karlicky

The so-called zebra structures in radio dynamic spectra, specifically their frequencies and frequency drifts of emission stripes, contain information on the plasma parameters in the coronal part of flare loops. This paper presents…

太阳与恒星天体物理 · 物理学 2011-09-28 A. T. Altyntsev , S. V. Lesovoi , N. S. Meshalkina , R. A. Sych , Y. Yan

We present the first interferometric observation of a zebra-pattern radio burst with simultaneous high spectral (~ 1 MHz) and high time (20 ms) resolution. The Frequency-Agile Solar Radiotelescope (FASR) Subsystem Testbed (FST) and the…

太阳与恒星天体物理 · 物理学 2015-05-28 Bin Chen , Timothy S. Bastian , Dale E. Gary , Ju Jing

The polarization characteristics of zebra patterns (ZPs) in type IV solar bursts were studied. We analyzed 21 ZP events observed by the Assembly of Metric-band Aperture Telescope and Real-time Analysis System between 2010 and 2015 and…

太阳与恒星天体物理 · 物理学 2017-07-04 Kazutaka Kaneda , H. Misawa , K. Iwai , F. Tsuchiya , T. Obara , Y. Katoh , S. Masuda

The measurement of positions and sizes of radio sources in the observations of solar radio spectral fine structures in an M6.5 flare on April 11, 2013 were observed simultaneously by several radio instruments at four different…

太阳与恒星天体物理 · 物理学 2016-02-17 Gennady Chernov , Robert Sych , Baolin Tan , Yihua Yan , Chengming Tan , Qijun Fu , Marian Karlicky , Valery Fomichev

The analysis of the spectral characteristics of the burst radio emission on June 21, 2011 was carried out on the basis of an improved methodology for determining harmonic numbers for the corresponding stripes of the zebra structure. By…

太阳与恒星天体物理 · 物理学 2020-02-05 L. V. Yasnov , G. P. Chernov

Sausage modes that are axisymmetric fast magnetoacoustic oscillations of solar coronal loops are characterized by variation of the plasma density and magnetic field, and hence cause time variations of the electron plasma frequency and…

太阳与恒星天体物理 · 物理学 2016-08-17 Sijie Yu , V. M. Nakariakov , Yihua Yan

Zebra pattern structure (ZP) is the most intriguing fine structure on the dynamic spectrograph of solar microwave burst. On 15 February 2011, there erupts an X2.2 flare event on the solar disk, it is the first X-class flare since the solar…

太阳与恒星天体物理 · 物理学 2015-05-30 Baolin Tan , Yihua Yan , Chengming Tan , Robert Sych , Guannan Gao

We investigated the polarization characteristics of a zebra pattern (ZP) in a type-IV solar radio burst observed with AMATERAS on 2011 June 21 for the purpose of evaluating the generation processes of ZP. Analyzing highly resolved spectral…

太阳与恒星天体物理 · 物理学 2015-08-12 Kazutaka Kaneda , Hiroaki Misawa , Kazumasa Iwai , Fuminori Tsuchiya , Takahiro Obara

We investigate the formation of zebra-like fine spectral structures (consisting of several parallel bands in the dynamic spectrum) in the Jovian broadband kilometric radiation; such radio bursts were observed by Cassini in 2000/2001. We…

地球与行星天体物理 · 物理学 2015-06-11 A. A. Kuznetsov , V. G. Vlasov

The double plasma resonance (DPR) instability plays a basic role in the generation of solar radio zebras. In the plasma, consisting of the loss-cone type distribution of hot electrons and much denser and colder background plasma, this…

等离子体物理 · 物理学 2018-03-28 Jan Benáček , Marian Karlický

The reason for the occurrence of different elements of the fine structure of solar radio bursts in the decimeter and centimeter wavelength ranges has been determined based on all available data from terrestrial and satellite observations.…

太阳与恒星天体物理 · 物理学 2017-11-22 G. P. Chernov , V. V. Fomichev , Y. Yan , B. Tan , Ch. Tan , Q. Fu

Microwave emission with spectral zebra pattern structures (ZPs) is observed frequently in solar flares and the Crab pulsar. The previous observations show that ZP is only a structure overlapped on the underlying broadband continuum with…

太阳与恒星天体物理 · 物理学 2015-06-22 Baolin Tan , Chengming Tan , Yin Zhang , Jing Huang , Hana Meszarosova , Marian Karlicky , Yihua Yan

It is generally considered that the emission of microwave zebra pattern (ZP) structures requires high density and high temperatures, which is similar to the situation of the flaring region where primary energy releases. Therefore, the…

太阳与恒星天体物理 · 物理学 2015-06-11 Sijie Yu , Yihua Yan , Baolin Tan

A theory of the spectral "zebra" pattern of the Crab pulsar's high-frequency interpulse (HFIP) radio emission is developed. The observed emission bands are interference maxima caused by multiple ray propagation through the pulsar…

高能天体物理现象 · 物理学 2026-02-20 Mikhail V. Medvedev

Latest study reports that plasma emission can be generated by energetic electrons of DGH distribution via the electron cyclotron maser instability (ECMI) in plasmas characterized by a large ratio of plasma oscillation frequency to electron…

太阳与恒星天体物理 · 物理学 2021-03-10 Chuanyang Li , Yao Chen , Sulan Ni , Baolin Tan , Hao Ning , Zilong Zhang
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