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Optical system research of multi-object fiber spectroscopic survey telescope
Bai, Hua1,2; Su, Ding-Qiang3,4; Liang, Ming1; Shectman, Stephen A.5; Yuan, Xiang-Yan1,2; Cui, Xiang-Qun1,2
2021-08-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume21Issue:6Pages:8
AbstractIn the first part of this paper, four different Cassegrain optical systems with their correctors are designed and studied for multi-object fiber slit spectroscopic survey. The aperture in 6.5 m and field of view 3 degrees are taken for these optical systems. Assuming observation wavelength range is 0.365-0.95 mu m, the maximum zenith distance for observing is 60 degrees, the maximum diameter of these lenses is 1.66 m, the altitude of the telescope site is 2500 m, two correctors are composed of 4-piece lenses and the other two are 5-piece lenses. The results obtained are: f-ratio about 3.7, the image quality for all four systems with EE80D <= 0.60 '', the linear diameter of the focal surface is about 1.2 m and 11 000 fibers can be set on it. Considering the limit of size of fused silica and optical glass, the maximum diameter for lens is about 1.7 m. Such a 6.5 m telescope is about the largest one if using the above correctors. Considering the multi-object spectroscopic survey is greatly important, we also studied some telescope optical systems having their aperture near or larger than 10 m used for the multi-object fiber spectroscopic survey. Such ideas are introduced in the last section of this paper.
Keywordtelescopes techniques miscellaneous techniques spectroscopic methods miscellaneous surveys instrumentation miscellaneous
DOI10.1088/1674-4527/21/6/132
WOS KeywordCORRECTOR
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000684226600001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/75984
Collection中国科学院国家天文台
Corresponding AuthorBai, Hua
Affiliation1.Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Peoples R China
2.Nanjing Inst Astron Opt & Technol, CAS Key Lab Astron Opt & Technol, Nanjing 210042, Peoples R China
3.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210023, Peoples R China
4.Nanjing Univ, Key Lab, Minist Educ, Nanjing 210023, Peoples R China
5.Observ Carnegie Inst Sci, 813 Santa Barbara St, Pasadena, CA 91101 USA
Recommended Citation
GB/T 7714
Bai, Hua,Su, Ding-Qiang,Liang, Ming,et al. Optical system research of multi-object fiber spectroscopic survey telescope[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2021,21(6):8.
APA Bai, Hua,Su, Ding-Qiang,Liang, Ming,Shectman, Stephen A.,Yuan, Xiang-Yan,&Cui, Xiang-Qun.(2021).Optical system research of multi-object fiber spectroscopic survey telescope.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,21(6),8.
MLA Bai, Hua,et al."Optical system research of multi-object fiber spectroscopic survey telescope".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 21.6(2021):8.
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