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Intriguing Drifting Subpulses in the Vela Pulsar
Wen, Z. G.1,2; Chen, J. L.3; Hao LF(郝龙飞)4; Yan, W. M.1,2; Wang, H. G.1,5; Li, J.1,2,6; Yuan, J. P.1,2; Lee, K. J.7; Wang, N.1,2; Yuen, R.1; Xu YH(徐永华)4; Li ZX(李志玄)4; Huang YX(黄玉祥)4
发表期刊ASTROPHYSICAL JOURNAL
2020-09-01
卷号900期号:2页码:4
DOI10.3847/1538-4357/abaab7
产权排序第4完成单位
收录类别SCI
关键词Pulsars
摘要

We report on the discovery of drifting subpulses from the Vela pulsar, observed using the Yunnan 40 m radio telescope at 6800 MHz observing frequency. The single pulses show the presence of two distinct drifting patterns, where the central component is modulated in longitude and amplitude simultaneously with a period of 9 pulses, and the trailing component remains phase stationary within the pulse window but periodically changes in intensity with a period of 29 pulses. The leading component emission remains constant in intensity and pulse phase. Such periodic modulation in the Vela pulsar is a separate phenomenon from periodic nulling and traditional subpulse drifting, which may lead to a greater understanding of the pulse emission mechanism.

资助项目West Light Foundation of Chinese Academy of Sciences (WLFC)[2016-QNXZ-B-24] ; Chinese National Science Foundation[U1838109] ; Chinese National Science Foundation[U1731238] ; Chinese National Science Foundation[U1831102] ; Chinese National Science Foundation[U1631106] ; Chinese National Science Foundation[11873080] ; National Basic Research Program of China (973 Program)[2015CB857100] ; prospective project of the Astronomical Research Center of the Chinese Academy of Sciences ; National Program on Key Research and Development Project[2016YFA0400804] ; Xinjiang uygur autonomous region of China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi[2019L0863]
项目资助者West Light Foundation of Chinese Academy of Sciences (WLFC)[2016-QNXZ-B-24] ; Chinese National Science Foundation[U1838109] ; Chinese National Science Foundation[U1731238, U1831102, U1631106, 11873080] ; National Basic Research Program of China (973 Program)[2015CB857100] ; prospective project of the Astronomical Research Center of the Chinese Academy of Sciences ; National Program on Key Research and Development Project[2016YFA0400804] ; Xinjiang uygur autonomous region of China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi[2019L0863]
语种英语
学科领域天文学 ; 射电天文学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS记录号WOS:000570803600001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MODULATION ; EMISSION
引用统计
被引频次:13[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/114a53/23776
专题射电天文研究组
通讯作者Wen, Z. G.
作者单位1.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 150, Science-1 Street, Urumqi, Xinjiang, 830011, People's Republic of China
2.Key laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China
3.Department of Physics & Electronic Engineering, Yuncheng University, Yuncheng, Shanxi, 044000, People's Republic of China
4.Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, 650011, People's Republic of China
5.School of Physics and Electronic Engineering, Guangzhou University, Guangzhou, 510006, People's Republic of China
6.Key laboratory of Microwave Technology, Urumqi, Xinjiang, 830011, People's Republic of China
7.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing, 100871, People's Republic of China
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GB/T 7714
Wen, Z. G.,Chen, J. L.,Hao LF,et al. Intriguing Drifting Subpulses in the Vela Pulsar[J]. ASTROPHYSICAL JOURNAL,2020,900(2):4.
APA Wen, Z. G..,Chen, J. L..,Hao LF.,Yan, W. M..,Wang, H. G..,...&Huang YX.(2020).Intriguing Drifting Subpulses in the Vela Pulsar.ASTROPHYSICAL JOURNAL,900(2),4.
MLA Wen, Z. G.,et al."Intriguing Drifting Subpulses in the Vela Pulsar".ASTROPHYSICAL JOURNAL 900.2(2020):4.
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