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	Wide Bandwidth Observations of Pulsars C, D, and J in 47 Tucanae
	Zhang, Lei1,2,9; Hobbs, George2,9; Manchester, Richard N.2; Li, Di1,3,9; Wang, Pei9; Dai, Shi2,9; Wang, Jingbo4; Kaczmarek, Jane F.2; Cameron, Andrew D.2,9; Toomey, Lawrence2
刊名	ASTROPHYSICAL JOURNAL LETTERS
	2019-11-10
卷号	885期号:2页码:L37
关键词	Globular star clusters Radio continuum emission Pulsars
ISSN号	2041-8205
DOI	10.3847/2041-8213/ab5218
产权排序	5
英文摘要	We report the first wide-band observations of pulsars C, D, and J in the globular cluster 47 Tucanae (NGC 104) using the Ultra-Wideband Low (UWL) receiver system recently installed on the Parkes 64 m radio telescope. The wide frequency range of the UWL receiver (704?4032 MHz), along with the well-calibrated system, allowed us to obtain flux density measurements and polarization pulse profiles. The mean pulse profiles have significant linear and circular polarization, allowing for determination of the Faraday rotation measure for each pulsar. Precise measurements of the dispersion measures show a significant deviation in the value for pulsar D compared to earlier results. Searches for new pulsars in the cluster are ongoing and we have determined optimal bands for such searches using the Parkes UWL receiver system.
资助项目	National Natural Science Foundation of China[11988101] ; National Natural Science Foundation of China[11725313] ; National Natural Science Foundation of China[11690024] ; National Natural Science Foundation of China[11743002] ; National Natural Science Foundation of China[11873067] ; National Natural Science Foundation of China[11565010] ; National Natural Science Foundation of China[11603046] ; National Natural Science Foundation of China[U1531246] ; National Natural Science Foundation of China[U1731238] ; National Natural Science Foundation of China[U1731218] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23000000] ; Science and Technology Fund of Guizhou Province[(2015)4015] ; Science and Technology Fund of Guizhou Province[(2016)-4008] ; Science and Technology Fund of Guizhou Province[(2017)5726-37] ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Australian Government
WOS关键词	LONG-TERM OBSERVATIONS ; MILLISECOND PULSARS ; DISCOVERY ; PROFILES
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000499852200001
资助机构	National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Science and Technology Fund of Guizhou Province ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Australian Government
内容类型	期刊论文
源URL	[http://ir.xao.ac.cn/handle/45760611-7/3290]
专题	脉冲星研究团组
通讯作者	Zhang, Lei
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.CSIRO Astron & Space Sci, POB 76, Epping, NSW 1710, Australia 3.Chinese Acad Sci, FAST Collaborat, CAS Key Lab Fast, NAOC, Beijing 100101, Peoples R China 4.Xinjiang Astron Observ, 150,Sci 1 St, Urumqi 830011, Xinjiang, Peoples R China 5.Guizhou Normal Univ, Guizhou Prov Key Lab Radio Astron & Data Proc, Guiyang 550001, Guizhou, Peoples R China 6.Guizhou Normal Univ, Sch Phys & Elect Sci, Guiyang 550001, Guizhou, Peoples R China 7.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China 8.Univ Western Australia, Int Ctr Radio Astron Res, Crawley, WA 6009, Australia 9.Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Lei,Hobbs, George,Manchester, Richard N.,et al. Wide Bandwidth Observations of Pulsars C, D, and J in 47 Tucanae[J]. ASTROPHYSICAL JOURNAL LETTERS,2019,885(2):L37.
APA	Zhang, Lei.,Hobbs, George.,Manchester, Richard N..,Li, Di.,Wang, Pei.,...&Tao, Zhenzhao.(2019).Wide Bandwidth Observations of Pulsars C, D, and J in 47 Tucanae.ASTROPHYSICAL JOURNAL LETTERS,885(2),L37.
MLA	Zhang, Lei,et al."Wide Bandwidth Observations of Pulsars C, D, and J in 47 Tucanae".ASTROPHYSICAL JOURNAL LETTERS 885.2(2019):L37.

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