Detection of giant pulses in PSR J1047-6709

doi:10.1093/mnras/staa3825

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	Detection of giant pulses in PSR J1047-6709
	Sun, S. N.2,3; Yan, W. M.1,2,4; Wang, N.1,2,4
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2021-03-01
卷号	501 期号:3 页码:3900-3904
关键词	stars: neutron pulsars: general pulsars: individual: (PSR J1047-6709)
ISSN号	0035-8711
DOI	10.1093/mnras/staa3825
产权排序	1
英文摘要	We report the emission variations in PSR J1047-6709 observed at 1369 MHz using the Parkes 64-m radio telescope. This pulsar shows two distinct emission states: a weak state and a bright emission state. We detected giant pulses (GPs) in the bright state for the first time. We found 75 GPs with pulse width ranging from 0.6 to 2.6 ms. The energy of GPs follows a power-law distribution with the index alpha = -3.26 +/- 0.22. The peak flux density of the brightest GP is 19 Jy which is 110 times stronger than the mean pulse profile. The polarization properties of the average profile of GPs are similar to that of the pulses with energy less than 10 times average pulse energy in the bright state. This indicates that the emission mechanism is basically the same for them. Our results provide a new insight into the origin of the GPs in pulsars.
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资助项目	Commonwealth of Australia ; Key Laboratory of Xinjiang Uygur Autonomous Region ; National Natural Science Foundation of China[U1831102] ; National Natural Science Foundation of China[U1731238] ; National Natural Science Foundation of China[U1838109] ; National Natural Science Foundation of China[11873080] ; National Natural Science Foundation of China[12041304] ; CAS `Light of West China' Program[2017-XBQNXZ-B-022] ; CAS `Light of West China' Program[2018-XBQNXZ-B-023] ; Chinese Academy of Sciences[XDB23010200]
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	OXFORD UNIV PRESS
WOS记录号	WOS:000610549500057
资助机构	Commonwealth of Australia ; Key Laboratory of Xinjiang Uygur Autonomous Region ; National Natural Science Foundation of China ; CAS `Light of West China' Program ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.xao.ac.cn/handle/45760611-7/3952]
专题	脉冲星研究团组
通讯作者	Yan, W. M.; Wang, N.
作者单位	1.Xinjiang Key Lab Radio Astrophys, 150 Sci St, Urumqi 830011, Xinjiang, Peoples R China 2.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Sun, S. N.,Yan, W. M.,Wang, N.. Detection of giant pulses in PSR J1047-6709[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,501(3):3900-3904.
APA	Sun, S. N.,Yan, W. M.,&Wang, N..(2021).Detection of giant pulses in PSR J1047-6709.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,501(3),3900-3904.
MLA	Sun, S. N.,et al."Detection of giant pulses in PSR J1047-6709".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 501.3(2021):3900-3904.