中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 新疆天文台
  3. 研究单元未命名
  4. 射电天文研究室
  5. 脉冲星研究团组
Periodic mode changing in PSR J1048-5832

文献类型：期刊论文

作者Yan, W. M.6,7; Manchester, R. N.5; Wang, N.4,6,7; Wen, Z. G.6; Yuan, J. P.4,6,7; Lee, K. J.2,3; Chen, J. L.1
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2020-02-01
卷号491期号:4页码:4634-4641
ISSN号0035-8711
关键词stars: neutron pulsars: general pulsars: individual (PSR J1048-5832)
DOI10.1093/mnras/stz3399
产权排序1
英文摘要By analysing the data acquired from the Parkes 64-m radio telescope at 1369 MHz, we report on the phase-stationary non-drift amplitude modulation observed in PSR J1048-5832. The high-sensitivity observations revealed that the central and trailing components of the pulse profile of this pulsar switch between a strong mode and a weak mode periodically. However, the leading component remains unchanged. Polarization properties of the strong and weak modes are investigated. Considering the similarity to mode changing, we argue that the periodic amplitude modulation in PSR J1048-5832 is periodic mode changing. The fluctuation spectral analysis showed that the modulation period is very short (similar to 2.1 s or 17P(1)), where P-1 is the rotation period of the pulsar. We find that this periodic amplitude modulation is hard to explain by existing models that account for the periodic phenomena in pulsars like sub-pulse drifting.
WOS关键词DYNAMIC EMISSION PROPERTIES ; EMPIRICAL-THEORY ; PULSAR EMISSION ; MODULATION PROPERTIES ; RADIO OBSERVATIONS ; POLARIZATION ; NULLS ; RAY ; PSRCHIVE ; GEOMETRY
资助项目National Basic Research Program of China (973 Program)[2015CB857100] ; National Natural Science Foundation of China[U1831102] ; National Natural Science Foundation of China[U1731238] ; National Natural Science Foundation of China[U1631106] ; National Natural Science Foundation of China[11873080] ; National Natural Science Foundation of China[U1838109] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB23010200] ; National Key Research and Development Program of China[2016YFA0400800] ; 2016 Project of Xinjiang Uygur Autonomous Region of China for Flexibly Fetching in Upscale Talents ; CAS 'Light of West China' Program[2018-XBQNXZ-B-023] ; CAS 'Light of West China' Program[2016-QNXZ-B-24] ; CAS 'Light of West China' Program[2017-XBQNXZ-B-022] ; Commonwealth of Australia
WOS研究方向Astronomy & Astrophysics
语种英语
出版者OXFORD UNIV PRESS
WOS记录号WOS:000512310600004
资助机构National Basic Research Program of China (973 Program) ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Key Research and Development Program of China ; 2016 Project of Xinjiang Uygur Autonomous Region of China for Flexibly Fetching in Upscale Talents ; CAS 'Light of West China' Program ; Commonwealth of Australia
源URL[http://ir.xao.ac.cn/handle/45760611-7/3378]  
专题脉冲星研究团组
新疆天文台_110米口径全可动射电望远镜（SmART）_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
通讯作者Yan, W. M.
作者单位1.Yuncheng Univ, Dept Phys & Elect Engn, Yuncheng 044000, Shanxi, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
4.Xinjiang Key Lab Radio Astrophys, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
5.CSIRO Astron & Space Sci, Australia Telescope Natl Facil, POB 76, Epping, NSW 1710, Australia
6.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
7.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China
推荐引用方式
GB/T 7714		 Yan, W. M.,Manchester, R. N.,Wang, N.,et al. Periodic mode changing in PSR J1048-5832[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,491(4):4634-4641.
APA Yan, W. M..,Manchester, R. N..,Wang, N..,Wen, Z. G..,Yuan, J. P..,...&Chen, J. L..(2020).Periodic mode changing in PSR J1048-5832.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,491(4),4634-4641.
MLA Yan, W. M.,et al."Periodic mode changing in PSR J1048-5832".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 491.4(2020):4634-4641.

入库方式： OAI收割

来源：新疆天文台

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。