Interstellar Scintillation of PSR J2048-1616
文献类型：期刊论文
| 作者 | Chen, J. L.4,5 ; Wen, Z. G.2,3,4; Yuan, J. P.3,4; Wang, Z.1,4; Wang, N.3,4; Yan, W. M.3,4; Yuen, R.4; Wang, H. G.4,7; Wang, J. P.5; Zhao, K.5
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| 刊名 | Astrophysical Journal
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| 出版日期 | 2022-03-01 |
| 卷号 | 927期号:1页码:14 |
| ISSN号 | 0004-637X |
| 关键词 | long-term scintillation pulsar radio-emission parabolic arcs scattering Astronomy & Astrophysics |
| DOI | 10.3847/1538-4357/ac3995 |
| 产权排序 | 2 |
| 文献子类 | Article |
| 英文摘要 | We report on the interstellar scintillation from pulsar J2048-1616 for the first time at 732, 1369, and 3100 MHz observed with the Parkes 64 m radio telescope. Dynamic spectra are obtained and diffractive parameters are derived from two-dimensional autocorrelation analyses. The frequency dependencies of the observed diffractive scintillation timescale and decorrelation bandwidth indicate that the electron density fluctuations in the interstellar medium (ISM) do not follow the Kolmogorov spectrum. The secondary spectra are calculated by forming the Fourier power spectra of the corresponding dynamic spectra. Prominent parabolic arcs are revealed in the secondary spectra at three frequencies, which indicate that they originated from scattering by a thin screen. The scattering screen is approximately located centrally between the pulsar and Earth assuming that the ISM is stationary. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000766859100001 |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/5127]  |
| 专题 | 脉冲星研究团组 |
| 作者单位 | 1.School of Physical Science and Technology, Xinjiang University, Urumqi, Xinjiang, 830046, Peopleʼs Republic of China; 2.Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing, Guiyang, Guizhou, 550001, Peopleʼs Republic of China; 3.Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing, 210008, Peopleʼs Republic of China; 4.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 150, Science-1 Street, Urumqi, Xinjiang, 830011, Peopleʼs Republic of China; 5.Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng, Shanxi, 044000, Peopleʼs Republic of China; 6.Key Laboratory of Microwave Technology, Urumqi, Xinjiang, 830011, Peopleʼs Republic of China 7.School of Physics and Electronic Engineering, Guangzhou University, 510006, Guangzhou, Peopleʼs Republic of China; |
| 推荐引用方式 GB/T 7714 | Chen, J. L.,Wen, Z. G.,Yuan, J. P.,et al. Interstellar Scintillation of PSR J2048-1616[J]. Astrophysical Journal,2022,927(1):14. |
| APA | Chen, J. L..,Wen, Z. G..,Yuan, J. P..,Wang, Z..,Wang, N..,...&Duan, X. F..(2022).Interstellar Scintillation of PSR J2048-1616.Astrophysical Journal,927(1),14. |
| MLA | Chen, J. L.,et al."Interstellar Scintillation of PSR J2048-1616".Astrophysical Journal 927.1(2022):14. |
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来源：新疆天文台
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