Institutional Repository of Radio Astronomy Research Laboratory
| Subpulse drifting of PSR J1514-4834 | |
Li, Qingying1; Dang, Shijun1,2,3 ; Shang, Lunhua1,2; Tedila, Habtamu Menberu4; Xu, Xin1; Li, Wei1,5,6; Tian, Jie1; Cai, Yanqing1; Yu, Zhixiang1; Wu, Chenbin1
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| 2024-08-01 | |
| Source Publication | ASTROPHYSICS AND SPACE SCIENCE
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| ISSN | 0004-640X |
| Volume | 369Issue:8Pages:90 |
| Contribution Rank | 5 |
| Abstract | In this paper, we report the detailed observation of the drift subpulse behavior of PSR J1514-4834 at a central frequency of 1369 MHz using the Parkes 64-m radio telescope. We have found that individual pulses of this pulsar exhibit distinct modulation behaviors for different profile components. The leading and middle components display periodic amplitude modulation with a period of P3=37.5 +/- 0.8P\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathrm{P}_{3}=37.5\pm 0.8\, \mathrm{P}$\end{document}, and a drifting sub-pulse phenomenon is detected in the phase region of trailing component with the measured drifting periods P2=7.0 +/- 0.4P\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathrm{P}_{2}=7.0\pm 0.4\,\mathrm{P}$\end{document} and P3=37.5 +/- 0.8P\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\mathrm{P}_{3}=37.5\pm 0.8\, \mathrm{P}$\end{document}. Additionally, it was observed that the leading and trailing components of the pulsar have a clear correlation, the middle and trailing components have a clear anti-correlation, and there is no apparent correlation between the leading and middle components. Moreover, this pulsar deviates from the range of most amplitude-modulated pulsars in the E-center dot-P3\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\dot{\mathrm{E}}-\mathrm{P}_{3}$\end{document} diagram, but it still falls within the category of subpulse drifting. PSR J1514-4834 exhibits periodic emission modulation and sub-pulse drifting simultaneously in different profile components, which is difficult to understand with the traditional carousel model. Our observational results will provide new observation evidence for theoretical studies of single-pulse emission mechanisms in pulsars. |
| Keyword | Pulsars Sub-pulse drifting Periodic modulation (PSR J1514-4834) |
| DOI | 10.1007/s10509-024-04352-0 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | MODULATION PROPERTIES ; PULSAR ; EMISSION ; MODEL |
| Funding Project | Major Science and Technology Program of Xinjiang Uygur Autonomous Region[2022A03013-4] ; Guizhou Province Science and Technology Foundation[ZK[2022]304] ; Scientific Research Project of the Guizhou Provincial Education[KY[2022]132] ; Scientific Research Project of the Guizhou Provincial Education[KY[2022]137] ; Foundation of Education Bureau of Guizhou Province, China[KY(2020)003] ; National Natural Science Foundation[12403046] ; Guizhou Provincial Science and Technology Projects[QKHFQ[2023]003] ; Guizhou Provincial Science and Technology Projects[QKHPTRC-ZDSYS[2023]003] ; Guizhou Provincial Science and Technology Projects[QKHFQ[2024]001-1] ; Parkes radio telescope is part of the Australia Telescope National Facility - Australian Government |
| WOS Research Area | Astronomy & Astrophysics |
| WOS Subject | Astronomy & Astrophysics |
| WOS ID | WOS:001300044300003 |
| Publisher | SPRINGER |
| Funding Organization | Major Science and Technology Program of Xinjiang Uygur Autonomous Region ; Guizhou Province Science and Technology Foundation ; Scientific Research Project of the Guizhou Provincial Education ; Foundation of Education Bureau of Guizhou Province, China ; National Natural Science Foundation ; Guizhou Provincial Science and Technology Projects ; Parkes radio telescope is part of the Australia Telescope National Facility - Australian Government |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/6960 |
| Collection | 射电天文研究室_脉冲星研究团组 |
| Corresponding Author | Dang, Shijun |
| Affiliation | 1.Guizhou Normal Univ, Sch Phys & Elect Sci, Guiyang 550025, Peoples R China 2.Guizhou Normal Univ, Guizhou Prov Key Lab Radio Astron & Data Proc, Guiyang 550025, Peoples R China 3.Guizhou Univ, Guizhou Radio Astron Observ, Guiyang 550001, Peoples R China 4.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China 5.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China 6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Qingying,Dang, Shijun,Shang, Lunhua,et al. Subpulse drifting of PSR J1514-4834[J]. ASTROPHYSICS AND SPACE SCIENCE,2024,369(8):90. |
| APA | Li, Qingying.,Dang, Shijun.,Shang, Lunhua.,Tedila, Habtamu Menberu.,Xu, Xin.,...&Wu, Chenbin.(2024).Subpulse drifting of PSR J1514-4834.ASTROPHYSICS AND SPACE SCIENCE,369(8),90. |
| MLA | Li, Qingying,et al."Subpulse drifting of PSR J1514-4834".ASTROPHYSICS AND SPACE SCIENCE 369.8(2024):90. |
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| Li-2024-Subpulse dri（2888KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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