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Wide-bandwidth drift-scan pulsar surveys of globular clusters: application to early science observations with FAST
Zhang, Lei1,2; Hobbs, George2,3; Li, Di2,4; Lorimer, Duncan5,6; Zhang, Jie1; Yu, Meng2; Yue, You-Ling2; Wang, Pei2; Pan, Zhi-Chen2; Dai, Shi3
2016-10-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume16Issue:10Pages:151-U20
AbstractThe Five-hundred-meter Aperture Spherical Telescope (FAST) will begin its early-science operations during 2016. Drift-scan pulsar surveys will be carried out during this period using an ultra-wide-band receiver system (covering similar to 270 to 1620 MHz). We describe a method for accounting for the changes in the telescope beam shape and the pulsar parameters when searching for pulsars over such a wide bandwidth. We applied this method to simulated data sets of pulsars in globular clusters that are visible to FAST and found that a representative observation would have a sensitivity of similar to 40 mu Jy. Our results showed that a single drift-scan (lasting less than a minute) is likely to find at least one pulsar for observations of four globular clusters. Repeated observations will increase the likely number of detections. We found that pulsars in similar to 16 clusters are likely to be found if the data from 100 drift-scan observations of each cluster are incoherently combined.
KeywordPulsars Drift-scan Pulsar Surveys Globular Clusters
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1674-4527/16/10/151
WOS KeywordDISCOVERY
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000385996000002
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23602
Collection中国科学院紫金山天文台
Corresponding AuthorZhang, Lei
Affiliation1.China West Normal Univ, Sch Phys & Space Sci, Nanchong 637002, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.CSIRO, Australia Telescope Natl Facil, POB 76, Epping, NSW 1710, Australia
4.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
5.West Virginia Univ, Dept Phys & Astron, White Hall, Morgantown, WV 26506 USA
6.Green Bank Observ, Natl Radio Astron Observ, POB 2, Green Bank, WV 24944 USA
Recommended Citation
GB/T 7714
Zhang, Lei,Hobbs, George,Li, Di,et al. Wide-bandwidth drift-scan pulsar surveys of globular clusters: application to early science observations with FAST[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(10):151-U20.
APA Zhang, Lei.,Hobbs, George.,Li, Di.,Lorimer, Duncan.,Zhang, Jie.,...&Dai, Shi.(2016).Wide-bandwidth drift-scan pulsar surveys of globular clusters: application to early science observations with FAST.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(10),151-U20.
MLA Zhang, Lei,et al."Wide-bandwidth drift-scan pulsar surveys of globular clusters: application to early science observations with FAST".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.10(2016):151-U20.
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