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Pointing calibration of LHAASO-WFCTA telescopes using bright stars
Cao, Zhen1,2,3; Aharonian, F.4,5; An, Q.6,7; Axikegu8; Bai, Y. X.1,3; Bao, Y. W.9; Bastieri, D.10; Bi, X. J.1,2,3; Bi, Y. J.1,3; Cai, J. T.10; Cao, Q.11; Cao, W. Y.7; Cao, Zhe6,7; Chang, J.12; Chang, J. F.1,3,6; Chen, A. M.13; Chen, E. S.1,2,3; Chen, Liang14; Chen, Lin8; Chen, Long8; Chen, M. J.1,3; Chen, M. L.1,3,6; Chen, Q. H.8; Chen, S. H.1,2,3; Chen, S. Z.1,3; Chen, T. L.15; Chen, Y.9; Cheng, N.1,3; Cheng, Y. D.1,3; Cui, M. Y.12; Cui, S. W.11; Cui, X. H.16; Cui, Y. D.17; Dai, B. Z.18; Dai, H. L.1,3,6; Dai, Z. G.7; Danzengluobu15; della Volpe, D.19; Dong, X. Q.1,2,3; Duan, K. K.12; Fan, J. H.10; Fan, Y. Z.12; Fang, J.18; Fang, K.1,3; Feng, C. F.20; Feng, L.12; Feng, S. H.1,3; Feng, X. T.20; Feng, Y. L.15; Gabici, S.21; Gao, B.1,3; Gao, C. D.20; Gao, L. Q.1,2,3; Gao, Q.15; Gao, W.1,3; Gao, W. K.1,2,3; Ge, M. M.18; Geng, L. S.1,3; Giacinti, G.13; Gong, G. H.22; Gou, Q. B.1,3; Gu, M. H.1,3,6; Guo, F. L.14; Guo, X. L.8; Guo, Y. Q.1,3; Guo, Y. Y.12; Han, Y. A.23; He, H. H.1,2,3; He, H. N.12; He, J. Y.12; He, X. B.17; He, Y.8; Heller, M.19; Hor, Y. K.17; Hou, B. W.1,2,3; Hou, C.1,3; Hou X(侯贤)24; Hu, H. B.1,2,3; Hu, Q.7,12; Hu, S. C.1,2,3; Huang, D. H.8; Huang, T. Q.1,3; Huang, W. J.17; Huang, X. T.20; Huang, X. Y.12; Huang, Y.1,2,3; Huang, Z. C.8; Ji, X. L.1,3,6; Jia, H. Y.8; Jia, K.20; Jiang, K.6,7; Jiang, X. W.1,3; Jiang, Z. J.18; Jin, M.8; Kang, M. M.25; Ke, T.1,3; Kuleshov, D.26; Kurinov, K.26; Li, B. B.11; Li, Cheng6,7; Li, Cong1,3; Li, D.1,2,3; Li, F.1,3,6; Li, H. B.1,3; Li, H. C.1,3; Li, H. Y.7,12; Li, J.7,12; Li, Jian7; Li, Jie1,3,6; Li, K.1,3; Li, W. L.13,20; Li, X. R.1,3; Li, Xin6,7; Li, Y. Z.1,2,3; Li, Zhe1,3; Li, Zhuo27; Liang, E. W.28; Liang, Y. F.28; Lin, S. J.17; Liu, B.7; Liu, C.1,3; Liu, D.20; Liu, H.8; Liu, H. D.23; Liu, J.1,3; Liu, J. L.1,3; Liu, J. Y.1,3; Liu, M. Y.15; Liu, R. Y.9; Liu, S. M.8; Liu, W.1,3; Liu, Y.10; Liu, Y. N.22; Lu, R.18; Luo, Q.17; Lv, H. K.1,3; Ma, B. Q.27; Ma, L. L.1,3; Ma, X. H.1,3; Mao JR(毛基荣)24; Min, Z.1,3; Mitthumsiri, W.29; Mu, H. J.23; Nan, Y. C.1,3; Neronov, A.21; Ou, Z. W.17; Pang, B. Y.8; Pattarakijwanich, P.29; Pei, Z. Y.10; Qi, M. Y.1,3; Qi, Y. Q.11; Qiao, B. Q.1,3; Qin, J. J.7; Ruffolo, D.29; Sáiz, A.29; Semikoz, D.21; Shao, C. Y.17; Shao, L.11; Shchegolev, O.26,30; Sheng, X. D.1,3; Shu, F. W.31; Song, H. C.27; Stenkin, Yu. V.26,30; Stepanov, V.26; Su, Y.12; Sun, Q. N.8; Sun, X. N.28; Sun, Z. B.32; Tam, P. H.17; Tang, Q. W.31; Tang, Z. B.6,7; Tian, W. W.2,16
Source PublicationNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
2023-11
Volume1056
DOI10.1016/j.nima.2023.168662
Contribution Rank第24完成单位
Indexed ByEI
Abstract

One of the main scientific objectives of the Large High Altitude Air Shower Observatory (LHAASO) is to perform accurate measurements of the energy spectra for different cosmic ray masses, from a few TeV to 100 PeV. As one of the main sub-arrays of LHAASO, the Wide Field-of-View Cherenkov Telescope Array (WFCTA), which consists of 18 telescopes, can help in achieving this goal. The pointing accuracy of each telescope is crucial for reconstructing energy and determining mass-sensitive parameters. In this study, a method for absolute pointing calibration using ultraviolet bright stars was established. The proposed method can achieve a pointing accuracy of approximately 0.02° by using more than five stars. When more stars are used in the telescope's field of view, the accuracy of the pointing calibration can be improved, e.g, a pointing accuracy of 0.01° can be achieved when using more than 15 stars. A high-precision inclinometer with a monitor resolution of 0.003° was installed on the camera to monitor the zenith direction of the telescope at every second. After calibration using bright stars, the absolute pointing accuracy of the inclinometer was 0.02°.

Funding ProjectNational Natural Science Foundation of China[11905240] ; National Natural Science Foundation of China[12261141691] ; National Natural Science Foundation of China[12275280] ; Science and Technology Department of Sichuan Province[2023YFSY0014] ; Institute of High Energy Physics[E25451U2] ; National Key Research and Development Program of China[2018YFA0404201] ; National Key Research and Development Program of China[2018YFA0404202] ; National Key Research and Development Program of China[2018YFA0404203] ; National Key Research and Development Program of China[2018YFA0404204]
Funding OrganizationNational Natural Science Foundation of China[11905240, 12261141691, 12275280] ; Science and Technology Department of Sichuan Province[2023YFSY0014] ; Institute of High Energy Physics[E25451U2] ; National Key Research and Development Program of China[2018YFA0404201, 2018YFA0404202, 2018YFA0404203, 2018YFA0404204]
Language英语
Subject Area天文学 ; 空间天文学 ; 恒星与银河系 ; 天文学其他学科
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeJournal article (JA)
PublisherElsevier B.V.
ISSN0168-9002
URL查看原文
EI Accession Number20233814735224
EI KeywordsTelescopes
EI Classification Number657 Space Physics - 657.2 Extraterrestrial Physics and Stellar Phenomena
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/26218
Collection星系类星体研究组
Affiliation1.Key Laboratory of Particle Astrophysics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China;
2.University of Chinese Academy of Sciences, Beijing, 100049, China;
3.TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, China;
4.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, Dublin 2, Ireland;
5.Max–Planck-Institute for Nuclear Physics, P.O. Box 103980, Heidelberg, 69029, Germany;
6.State Key Laboratory of Particle Detection and Electronics, China;
7.University of Science and Technology of China, Hefei, Anhui, 230026, China;
8.School of Physical Science and Technology & School of Information Science and Technology, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China;
9.School of Astronomy and Space Science, Nanjing University, Nanjing, Jiangsu, 210023, China;
10.Center for Astrophysics, Guangzhou University, Guangdong, Guangzhou, 510006, China;
11.Hebei Normal University, Shijiazhuang, Hebei, 050024, China;
12.Key Laboratory of Dark Matter and Space Astronomy & Key Laboratory of Radio Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, Jiangsu, 210023, China;
13.Tsung-Dao Lee Institute & School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China;
14.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China;
15.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, Lhasa, Tibet, 850000, China;
16.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China;
17.School of Physics and Astronomy (Zhuhai) & School of Physics (Guangzhou) & Sino-French Institute of Nuclear Engineering and Technology (Zhuhai), Sun Yat-sen University, 519000 Zhuhai & 510275 Guangzhou, Guangdong, China;
18.School of Physics and Astronomy, Yunnan University, Kunming, Yunnan, 650091, China;
19.Département de Physique Nucléaire et Corpusculaire, Faculté de Sciences, Université de Genève, 24 Quai Ernest Ansermet, Geneva, 1211, Switzerland;
20.Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong, 266237, China;
21.APC, Université Paris Cité, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, 119, Paris, 75205, France;
22.Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;
23.School of Physics and Microelectronics, Zhengzhou University, Zhengzhou, Henan, 450001, China;
24.Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan, 650216, China;
25.College of Physics, Sichuan University, Chengdu, Sichuan, 610065, China;
26.Institute for Nuclear Research of Russian Academy of Sciences, Moscow, 117312, Russia;
27.School of Physics, Peking University, Beijing, 100871, China;
28.School of Physical Science and Technology, Guangxi University, Nanning, Guangxi, 530004, China;
29.Department of Physics, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand;
30.Moscow Institute of Physics and Technology, Moscow, 141700, Russia;
31.Center for Relativistic Astrophysics and High Energy Physics, School of Physics and Materials Science & Institute of Space Science and Technology, Nanchang University, Nanchang, Jiangxi, 330031, China;
32.National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
Recommended Citation
GB/T 7714
Cao, Zhen,Aharonian, F.,An, Q.,et al. Pointing calibration of LHAASO-WFCTA telescopes using bright stars[J]. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,2023,1056.
APA Cao, Zhen.,Aharonian, F..,An, Q..,Axikegu.,Bai, Y. X..,...&Tian, W. W..(2023).Pointing calibration of LHAASO-WFCTA telescopes using bright stars.Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment,1056.
MLA Cao, Zhen,et al."Pointing calibration of LHAASO-WFCTA telescopes using bright stars".Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1056(2023).
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