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Piggyback search for fast radio bursts using Nanshan 26 m and Kunming 40 m radio telescopes - I. Observing and data analysis systems, discovery of a mysterious peryton
Men, Y. P.1,2; Luo, R.1,2; Chen, M. Z.3; Hao LF(郝龙飞)4; Lee, K. J.1,5; Li, J.3; Li, Z. X.4; Liu, Z. Y.3; Pei, X.3; Wen, Z. G.3; Wu, J. J.6; Xu YH(徐永华)4; Xu, R. X.1,2; Yuan, J. P.3; Zhang, C. F.1,2
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2019-09-01
卷号488期号:3页码:3957-3971
DOI10.1093/mnras/stz1931
收录类别SCI ; EI
关键词methods: data analysis telescopes radio continuum: transients
摘要

We present our piggyback search for fast radio bursts using the Nanshan 26 in Radio Telescope and the Kunming 40 in Radio Telescope. The observations are performed in the L band from 1380 to 1700 MHz at Nanshan and the S band from 2170 to 2310 MHz at Kunming. We built the ROACH2-based FFT spectrometer and developed the real-time transient search software. We introduce a new radio interference mitigation technique named zero-DM matched filter and give the formula of the signal-to-noise ratio loss in the transient search. Though we have no positive detection of bursts in about 1600 and 2400 h data at Nanshan and Kunming, respectively, an intriguing peryton was detected at Nanshan, from which hundreds of bursts were recorded. Perytons are terrestrial radio signals that mimic celestial fast radio bursts. They were first reported at Parkes and identified as microwave oven interferences later. The bursts detected at Nanshan show similar frequency swept emission and have double-peaked profiles. They appeared in different sky regions in about tens of minutes observations and the dispersion measure index is not exactly 2, which indicates the terrestrial origin. The peryton differs drastically from the known perytons detected at Parkes, because it appeared in a precise period of p = 1.712 87 +/- 0.000 04 s. Its origin remains unknown.

资助项目NSFC[U15311243] ; National Basic Research Program of China, 973 Program[2015CB857101] ; National Basic Research Program of China, 973 Program[XDB23010200] ; National Basic Research Program of China, 973 Program[11690024] ; National Basic Research Program of China, 973 Program[11373011] ; Max-Planck Partner Group ; Tian-ShanChuangXinTuanDui
项目资助者NSFC[U15311243] ; National Basic Research Program of China, 973 Program[2015CB857101, XDB23010200, 11690024, 11373011] ; Max-Planck Partner Group ; Tian-ShanChuangXinTuanDui
语种英语
学科领域天文学 ; 射电天文学 ; 射电天文方法
学科门类理学 ; 理学::天文学
文章类型Article
出版者OXFORD UNIV PRESS
出版地GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS记录号WOS:000485158400072
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]HOST GALAXY ; REAL-TIME ; PULSAR ; TRANSIENTS
EI入藏号20221712021346
EI主题词Signal to noise ratio
EI分类号657.2 Extraterrestrial Physics and Stellar Phenomena - 703.2 Electric Filters - 716.1 Information Theory and Signal Processing - 716.3 Radio Systems and Equipment - 723 Computer Software, Data Handling and Applications - 723.2 Data Processing and Image Processing - 903.1 Information Sources and Analysis
引用统计
被引频次:16[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/114a53/21138
专题射电天文研究组
通讯作者Men, Y. P.; Lee, K. J.
作者单位1.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, P.R. China
2.Department of Astronomy, School of Physics, Peking University, Beijing 100871, China
3.Xinjiang Astronomical Observatory, CAS, 150 Science 1-Street, Urumqi, Xinjiang 830011, China
4.Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, China
5.National Astronomical Observatory, CAS, Beijing 100012, China
6.School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China
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Men, Y. P.,Luo, R.,Chen, M. Z.,et al. Piggyback search for fast radio bursts using Nanshan 26 m and Kunming 40 m radio telescopes - I. Observing and data analysis systems, discovery of a mysterious peryton[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,488(3):3957-3971.
APA Men, Y. P..,Luo, R..,Chen, M. Z..,Hao LF.,Lee, K. J..,...&Zhang, C. F..(2019).Piggyback search for fast radio bursts using Nanshan 26 m and Kunming 40 m radio telescopes - I. Observing and data analysis systems, discovery of a mysterious peryton.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,488(3),3957-3971.
MLA Men, Y. P.,et al."Piggyback search for fast radio bursts using Nanshan 26 m and Kunming 40 m radio telescopes - I. Observing and data analysis systems, discovery of a mysterious peryton".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 488.3(2019):3957-3971.
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