Institutional Repository of Radio Astronomy Research Laboratory
| Giant Micropulse Emission in the Vela Pulsar at the C Band | |
Chen, J. L.1; Wen, Z. G.2,3 ; Hao, L. F.4; Yuan, J. P.2,3; Li, J.2,3,5; Wang, H. G.2,6; Yan, W. M.2,3; Lee, K. J.7; Wang, N.2,3; Xu, Y. H.4; Li, Z. X.4; Huang, Y. X.4; Yuen, R.2; Mijit, M.8
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| 2020-08-01 | |
| Source Publication | ASTROPHYSICAL JOURNAL
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| ISSN | 0004-637X |
| Volume | 899Issue:2Pages:118 |
| Contribution Rank | 2 |
| Abstract | We present here the analysis of giant micropulses from the Vela pulsar. A total of 4187 giant micropulses with peak flux density >2.5 Jy were detected during almost 4 hr of observations carried out with the Yunnan 40 m radio telescope at 6800 MHz. Nine of the giant micropulses arrived approximately 3-4 ms earlier than the peak of average pulse profile, longer than that at lower frequencies. The remaining giant micropulses were clustered into three distributions that correspond to three main emission regions, including four giant micropulses occurring on the trailing edge of the averaged profile. We find that the peak flux density distribution follows a power law with index alpha -4. Furthermore, a certain amount of memory is present from the giant micropulse waiting time distribution. Possible emission mechanisms are discussed. |
| Keyword | Radio pulsars |
| DOI | 10.3847/1538-4357/aba2e8 |
| URL | 查看原文 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | RADIO PULSES ; SINGLE-PULSE ; SPECTRA |
| Funding Project | 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] ; 2018 project of Xinjiang uygur autonomous region of China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi[2019L0863] |
| WOS Research Area | Astronomy & Astrophysics |
| WOS Subject | Astronomy & Astrophysics |
| WOS ID | WOS:000563106400001 |
| Publisher | IOP PUBLISHING LTD |
| Funding Organization | West Light Foundation of Chinese Academy of Sciences ; Chinese National Science Foundation ; National Basic Research Program of China (973 Program) ; prospective project of the Astronomical Research Center of the Chinese Academy of Sciences ; National Program on Key Research and Development Project ; 2018 project of Xinjiang uygur autonomous region of China ; Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/3624 |
| Collection | 射电天文研究室_脉冲星研究团组 110米口径全可动射电望远镜（QTT）_110米大口径全可动射电望远镜关键技术研究（973项目）_课题4：反射面高精度快速测量与主动面实时闭环修正 |
| Corresponding Author | Wen, Z. G. |
| Affiliation | 1.Yuncheng Univ, Dept Phys & Elect Engn, Yuncheng 044000, Shanxi, Peoples R China 2.Chinese Acad Sci, Xinjiang Astron Observ, 150,Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China 3.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China 4.Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Yunnan, Peoples R China 5.Key Lab Microwave Technoloty, Urumqi 830011, Xinjiang, Peoples R China 6.Guangzhou Univ, Sch Phys & Elect Engn, Guangzhou 510006, Peoples R China 7.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China 8.Xinjiang Univ, Sch Phys, Urumqi 830046, Peoples R China |
| Corresponding Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Chen, J. L.,Wen, Z. G.,Hao, L. F.,et al. Giant Micropulse Emission in the Vela Pulsar at the C Band[J]. ASTROPHYSICAL JOURNAL,2020,899(2):118. |
| APA | Chen, J. L..,Wen, Z. G..,Hao, L. F..,Yuan, J. P..,Li, J..,...&Mijit, M..(2020).Giant Micropulse Emission in the Vela Pulsar at the C Band.ASTROPHYSICAL JOURNAL,899(2),118. |
| MLA | Chen, J. L.,et al."Giant Micropulse Emission in the Vela Pulsar at the C Band".ASTROPHYSICAL JOURNAL 899.2(2020):118. |
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| Chen-2020-Giant Micr（1644KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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