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Blind search for 21-cm absorption systems using a new generation of Chinese radio telescopes
Yu, Hao-Ran1,2; Pen, Ue-Li2,3,4,5; Zhang, Tong-Jie6; Li, Di7,8; Chen, Xuelei9
2017-06-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume17Issue:6Pages:4
Corresponding AuthorYu, Hao-Ran(haoran@cita.utoronto.ca)
AbstractNeutral hydrogen clouds are known to exist in the Universe, however their spatial distributions and physical properties are poorly understood. Such missing information can be studied by the new generation of Chinese radio telescopes through a blind search of 21-cm absorption systems. We forecast the capabilities of surveys of 21-cm absorption systems by two representative radio telescopes in China - the Five-hundred-meter Aperture Spherical radio Telescope (FAST) and Tianlai 21-cm cosmology experiment (Tianlai). Facilitated by either the high sensitivity (FAST) or wide field of view (Tianlai) of these telescopes, more than a thousand 21-cm absorption systems can be discovered in a few years, representing orders of magnitude improvement over the cumulative discoveries in the past half a century.
Keywordtelescopes surveys cosmology: observations
DOI10.1088/1674-4527/17/6/49
WOS KeywordDECELERATION ; REDSHIFT
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000408362700001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22692
Collection中国科学院紫金山天文台
Corresponding AuthorYu, Hao-Ran
Affiliation1.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
2.Univ Toronto, Canadian Inst Theoret Astrophys, Toronto, ON M5S 3H8, Canada
3.Univ Toronto, Dunlap Inst Astron & Astrophys, Toronto, ON M5S 3H4, Canada
4.Canadian Inst Adv Res, Program Cosmol & Gravitat, Toronto, ON M5G 1Z8, Canada
5.Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada
6.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
7.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
8.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
9.Chinese Acad Sci, Natl Astron Observ, Key Lab Computat Astrophys, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Yu, Hao-Ran,Pen, Ue-Li,Zhang, Tong-Jie,et al. Blind search for 21-cm absorption systems using a new generation of Chinese radio telescopes[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(6):4.
APA Yu, Hao-Ran,Pen, Ue-Li,Zhang, Tong-Jie,Li, Di,&Chen, Xuelei.(2017).Blind search for 21-cm absorption systems using a new generation of Chinese radio telescopes.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(6),4.
MLA Yu, Hao-Ran,et al."Blind search for 21-cm absorption systems using a new generation of Chinese radio telescopes".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.6(2017):4.
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