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Decimetric and metric digital solar radio spectrometers of the Yunnan Astronomical Observatories and the first-light results
Gao GN(高冠男)1,2,3; Wang M(汪敏)1,3,4; Dong L(董亮)1,4; Wu, N5; Lin J(林隽)1; Gao, G (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China.
发表期刊NEW ASTRONOMY
2014-07
卷号30页码:68-78
DOI10.1016/j.newast.2014.01.008
产权排序第1完成单位
收录类别SCI
关键词Instrument: Radio Spectrometer Sun: Radio Bursts Sun: Fine Structures
摘要Based on an old decimetric solar radio spectrometer working in the frequency range of 625-1500 MHz of the Yunnan Astronomical Observatories (YNAO) during the last solar cycle, we designed a fully digital Fast Fourier Transform (FFT) spectrometer to upgrade the old one. The new digital spectrometer has the spectral resolution of 200 kHz, much higher than the old one (about 1.3 MHz). In addition, we also established a new metric solar radio telescope working in the frequency range of 70-700 MHz located at the Fuxian Solar Observatory of YNAO, deploying the same type of the digital FFT spectrometer. The two instruments have begun to operate in a daily survey mode since September 2009 and March 2012, respectively, and many solar radio bursts have been observed. In these events, various types of decimetric and metric fine structures with fairly meticulous spectral features were recognized. These features were never resolved in previous observation and studies. We have introduced these two instruments with their detailed technological components, as well as a set of observational data obtained during the first-light of the instruments. The information revealed by these data can improve our knowledge and understanding of the physics of the energy conversion, particle acceleration and transportation during the solar eruption. (C) 2014 Elsevier B.V. All rights reserved.
项目资助者Program 973 [2011CB811403, 2013CBA01503] ; NSFC [11273055, 11333007, 10978006] ; CAS [KJCX2-EW-T07, XDB09000000] ; Key Laboratory of Solar Activity, National Astronomical Observatories, CAS
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1384-1076
URL查看原文
归档日期2014-03-26
WOS记录号WOS:000333493100009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]FINE-STRUCTURES ; MAGNETIC RECONNECTION ; II BURSTS ; CHROMOSPHERIC EVAPORATION ; INTERPLANETARY SPACE ; ZEBRA PATTERNS ; DECEMBER 1 ; FLARE ; EMISSION ; BAND
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5630
专题射电天文研究组
中国科学院天体结构与演化重点实验室
通讯作者Gao, G (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China.
作者单位1.Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, China
4.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
5.School of Tourism and Geography, Yunnan Normal University, Kunming, Yunnan 650031, China
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GB/T 7714
Gao GN,Wang M,Dong L,et al. Decimetric and metric digital solar radio spectrometers of the Yunnan Astronomical Observatories and the first-light results[J]. NEW ASTRONOMY,2014,30:68-78.
APA Gao GN,Wang M,Dong L,Wu, N,Lin J,&Gao, G .(2014).Decimetric and metric digital solar radio spectrometers of the Yunnan Astronomical Observatories and the first-light results.NEW ASTRONOMY,30,68-78.
MLA Gao GN,et al."Decimetric and metric digital solar radio spectrometers of the Yunnan Astronomical Observatories and the first-light results".NEW ASTRONOMY 30(2014):68-78.
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