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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
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2019-09-01
Volume488Issue:3Pages:3957-3971
DOI10.1093/mnras/stz1931
Indexed BySCI
Keywordmethods: data analysis telescopes radio continuum: transients
Abstract

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.

Funding ProjectNSFC[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
Funding OrganizationNSFC[U15311243] ; National Basic Research Program of China, 973 Program[2015CB857101, XDB23010200, 11690024, 11373011] ; Max-Planck Partner Group ; Tian-ShanChuangXinTuanDui
Language英语
Subject Area天文学 ; 射电天文学 ; 射电天文方法
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherOXFORD UNIV PRESS
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS IDWOS:000485158400072
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordHOST GALAXY ; REAL-TIME ; PULSAR ; TRANSIENTS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/21138
Collection射电天文研究组
Corresponding AuthorMen, Y. P.; Lee, K. J.
Affiliation1.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
Recommended Citation
GB/T 7714
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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