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Discovery of a New Gamma-Ray Source, LHAASO J0341+5258, with Emission up to 200 TeV
Cao, Zhen1,2,3; Aharonian, F.4,5; An, Q.6,7; Axikegu8; Bai, L. X.9; Bai, Y. X.1,3; Bao, Y. W.10; Bastieri, D.11; Bi, X. J.1,2,3; Bi, Y. J.1,3; Cai, H.12; Cai, J. T.11; Cao, Zhe6,7; Chang, J.13; Chang, J. F.1,3,6; Chen, B. M.14; Chen, E. S.1,2,3; Chen, J.9; Chen, Liang1,2,3; Chen, Liang15; 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.16; Chen, X. L.1,2,3; Chen, Y.10; Cheng, N.1,3; Cheng, Y. D.1,3; Cui, S. W.14; Cui, X. H.17; Cui, Y. D.18; Piazzoli, B. D'Ettorre19; Dai, B. Z.20; Dai, H. L.1,3,6; Dai, Z. G.7; Danzengluobu16; Volpe, D. della21; Dong, X. J.1,3; Duan, K. K.13; Fan, J. H.11; Fan, Y. Z.13; Fan, Z. X.1,3; Fang, J.20; Fang, K.1,3; Feng, C. F.22; Feng, L.13; Feng, S. H.1,3; Feng, Y. L.13; Gao, B.1,3; Gao, C. D.22; Gao, L. Q.1,2,3; Gao, Q.16; Gao, W.22; Ge, M. M.20; Geng, L. S.1,3; Gong, G. H.23; Gou, Q. B.1,3; Gu, M. H.1,3,6; Guo, F. L.15; Guo, J. G.1,2,3; Guo, X. L.8; Guo, Y. Q.1,3; Guo, Y. Y.1,2,3,13; Han, Y. A.24; He, H. H.1,2,3; He, H. N.13; He, J. C.1,2,3; He, S. L.11; He, X. B.18; He, Y.8; Heller, M.21; Hor, Y. K.18; Hou, C.1,3; Hu, H. B.1,2,3; Hu, S.9; Hu, S. C.1,2,3; Hu, X. J.23; Huang, D. H.8; Huang, Q. L.1,3; Huang, W. H.22; Huang, X. T.22; Huang, X. Y.13; Huang, Z. C.8; Ji, F.1,3; Ji, X. L.1,3,6; Jia, H. Y.8; Jiang, K.6,7; Jiang, Z. J.20; Jin, C.1,2,3; Ke, T.1,3; Kuleshov, D.25; Levochkin, K.25; Li, B. B.14; Li, Cheng6,7; Li, Cong1,3; Li, F.1,3,6; Li, H. B.1,3; Li, H. C.1,3; Li, H. Y.7,13; Li, J.1,3,6; Li, K.1,3; Li, W. L.22; Li, X. R.1,3; Li, Xin6,7; Li, Xin8; Li, Y.9; Li, Y. Z.1,2,3; Li, Zhe1,3; Li, Zhuo26; Liang, E. W.27; Liang, Y. F.27; Lin, S. J.18; Liu, B.7; Liu, C.1,3; Liu, D.22; Liu, H.8; Liu, H. D.24; Liu, J.1,3; Liu, J. L.28; Liu, J. S.18; Liu, J. Y.1,3; Liu, M. Y.16; Liu, R. Y.10; Liu, S. M.8; Liu, W.1,3; Liu, Y.11; Liu, Y. N.23; Liu, Z. X.9; Long, W. J.8; Lu, R.20; Lv, H. K.1,3; Ma, B. Q.26; Ma, L. L.1,3; Ma, X. H.1,3; Mao JR(毛基荣)29; Masood, A.8; Min, Z.1,3; Mitthumsiri, W.30; Montaruli, T.21; Nan, Y. C.22; Pang, B. Y.8; Pattarakijwanich, P.30; Pei, Z. Y.11; Qi, M. Y.1,3; Qi, Y. Q.14; Qiao, B. Q.1,3; Qin, J. J.7; Ruffolo, D.30; Rulev, V.25; Sáiz, A.30; Shao, L.14; Shchegolev, O.25,31; Sheng, X. D.1,3; Shi, J. Y.1,3; Song, H. C.26; Stenkin, Yu. V.25,31; Stepanov, V.25; Su, Y.32; Sun, Q. N.8; Sun, X. N.27; Sun, Z. B.33; Tam, P. H. T.18; Tang, Z. B.6,7; Tian, W. W.2,17; Wang, B. D.1,3; Wang, C.33; Wang, H.8; Wang, H. G.11; Wang JC(王建成)29; Wang, J. S.28; Wang, L. P.22; Wang, L. Y.1,3; Wang, R. N.8; Wang, W.18; Wang, W.12; Wang, X. G.27; Wang, X. J.1,3; Wang, X. Y.10; Wang, Y.8; Wang, Y. D.1,3; Wang, Y. J.1,3; Wang, Y. P.1,2,3; Wang, Z. H.9; Wang, Z. X.20; Wang, Zhen28; Wang, Zheng1,3,6; Wei, D. M.13; Wei, J. J.13; Wei, Y. J.1,2,3; Wen, T.20; Wu, C. Y.1,3; Wu, H. R.1,3; Wu, S.1,3; Wu, W. X.8; Wu, X. F.13; Xi, S. Q.1,3; Xia, J.7,13; Xia, J. J.8; Xiang, G. M.2,15; Xiao, D. X.16; Xiao, G.1,3; Xiao, H. B.11; Xin, G. G.12; Xin, Y. L.8; Xing, Y.15; Xu, D. L.28; Xu, R. X.26; Xue, L.22; Yan DH(闫大海)29; Yan, J. Z.13; Yang, C. W.9; Yang, F. F.1,3,6; Yang, J. Y.18; Yang, L. L.18; Yang, M. J.1,3; Yang, R. Z.7; Yang, S. B.20; Yao, Y. H.9; Yao, Z. G.1,3; Ye, Y. M.23; Yin, L. Q.1,3; Yin, N.22; You, X. H.1,3; You, Z. Y.1,2,3; Yu, Y. H.22; Yuan, Q.13; Zeng, H. D.13; Zeng, T. X.1,3,6; Zeng, W.20; Zeng, Z. K.1,2,3; Zha, M.1,3; Zhai, X. X.1,3; Zhang, B. B.10; Zhang, H. M.10; Zhang, H. Y.22; Zhang, J. L.17; Zhang, J. W.9; Zhang, L. X.11; Zhang, Li20; Zhang, Lu14; Zhang, P. F.20; Zhang, P. P.14; Zhang, R.7,13; Zhang, S. R.14; Zhang, S. S.1,3; Zhang, X.10; Zhang, X. P.1,3; Zhang, Y. F.8; Zhang, Y. L.1,3; Zhang, Yi1,13; Zhang, Yong1,3; Zhao, B.8; Zhao, J.1,3; Zhao, L.6,7; Zhao, L. Z.14; Zhao, S. P.13,22; Zheng, F.33; Zheng, Y.8; Zhou, B.1,3; Zhou, H.28; Zhou, J. N.15; Zhou, P.10; Zhou, R.9; Zhou, X. X.8; Zhu, C. G.22; Zhu, F. R.8; Zhu, H.17; Zhu, K. J.1,2,3,6; Zuo, X.1,3
发表期刊ASTROPHYSICAL JOURNAL LETTERS
2021-08
卷号917期号:1
DOI10.3847/2041-8213/ac0fd5
产权排序第29完成单位
收录类别SCI
摘要We report the discovery of a new unidentified extended gamma-ray source in the Galactic plane named LHAASO J0341+5258 with a pretrial significance of 8.2 standard deviations above 25 TeV. The best-fit position is R.A. = 55.degrees 34 +/- 0.degrees 11 and decl. = 52.degrees 97 +/- 0.degrees 07. The angular size of LHAASO J0341+5258 is 0.degrees 29 +/- 0.degrees 06(stat) +/- 0.degrees 02(sys). The flux above 25 TeV is about 20% of the flux of the Crab Nebula. Although a power-law fit of the spectrum from 10 to 200 TeV with the photon index alpha = 2.98 +/- 0.19(stat) +/- 0.02(sys) is not excluded, the LHAASO data together with the flux upper limit at 10 GeV set by the Fermi-LAT observation, indicate a noticeable steepening of an initially hard power-law spectrum with a cutoff at approximate to 50 TeV. We briefly discuss the origin of ultra-high-energy gamma rays. The lack of an energetic pulsar and a young supernova remnant inside or in the vicinity of LHAASO J0341+5258 challenge, but do not exclude, both the leptonic and hadronic scenarios of gamma-ray production.
项目资助者National Key R&D Program of China[2017YFA0402701] ; CAS Key Research Program of Frontier Sciences[QYZDJ-SSW-SLH047]
语种英语
学科领域天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN2041-8205
URL查看原文
WOS记录号WOS:000684010500001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]PULSARS
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被引频次：21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/24519
专题星系类星体研究组
高能天体物理研究组
作者单位1.Key Laboratory of Particle Astrophysics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, People's Republic of China; [email protected], [email protected], [email protected];
2.University of Chinese Academy of Sciences, 100049 Beijing, People's Republic of China;
3.TIANFU Cosmic Ray Research Center, Chengdu, Sichuan, People's Republic of China;
4.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, 2 Dublin, Ireland;
5.Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, D-69029 Heidelberg, Germany;
6.State Key Laboratory of Particle Detection and Electronics, People's Republic of China;
7.University of Science and Technology of China, 230026 Hefei, Anhui, People's Republic of China; [email protected], [email protected];
8.School of Physical Science and Technology & School of Information Science and Technology, Southwest Jiaotong University, 610031 Chengdu, Sichuan, People's Republic of China;
9.College of Physics, Sichuan University, 610065 Chengdu, Sichuan, People's Republic of China;
10.School of Astronomy and Space Science, Nanjing University, 210023 Nanjing, Jiangsu, People's Republic of China;
11.Center for Astrophysics, Guangzhou University, 510006 Guangzhou, Guangdong, People's Republic of China;
12.School of Physics and Technology, Wuhan University, 430072 Wuhan, Hubei, People's Republic of China;
13.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, 210023 Nanjing, Jiangsu, People's Republic of China;
14.Hebei Normal University, 050024 Shijiazhuang, Hebei, People's Republic of China;
15.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, 200030 Shanghai, People's Republic of China;
16.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, 850000 Lhasa, Tibet, People's Republic of China;
17.National Astronomical Observatories, Chinese Academy of Sciences, 100101 Beijing, People's Republic of China;
18.School of Physics and Astronomy & School of Physics (Guangzhou), Sun Yat-sen University, 519000 Zhuhai, Guangdong, People's Republic of China;
19.Dipartimento di Fisica dell'Università di Napoli "Federico II," Complesso Universitario di Monte Sant'Angelo, via Cinthia, I-80126 Napoli, Italy;
20.School of Physics and Astronomy, Yunnan University, 650091 Kunming, Yunnan, People's Republic of China;
21.D'epartement de Physique Nucl'eaire et Corpusculaire, Facult'e de Sciences, Universit'e de Genève, 24 Quai Ernest Ansermet, 1211 Geneva, Switzerland;
22.Institute of Frontier and Interdisciplinary Science, Shandong University, 266237 Qingdao, Shandong, People's Republic of China;
23.Department of Engineering Physics, Tsinghua University, 100084 Beijing, People's Republic of China;
24.School of Physics and Microelectronics, Zhengzhou University, 450001 Zhengzhou, Henan, People's Republic of China;
25.Institute for Nuclear Research of Russian Academy of Sciences, 117312 Moscow, Russia;
26.School of Physics, Peking University, 100871 Beijing, People's Republic of China;
27.School of Physical Science and Technology, Guangxi University, 530004 Nanning, Guangxi, People's Republic of China;
28.Tsung-Dao Lee Institute & School of Physics and Astronomy, Shanghai Jiao Tong University, 200240 Shanghai, People's Republic of China;
29.Yunnan Observatories, Chinese Academy of Sciences, 650216 Kunming, Yunnan, People's Republic of China;
30.Department of Physics, Faculty of Science, Mahidol University, 10400 Bangkok, Thailand;
31.Moscow Institute of Physics and Technology, 141700 Moscow, Russia;
32.Key Laboratory of Radio Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, 210023 Nanjing, Jiangsu, People's Republic of China;
33.National Space Science Center, Chinese Academy of Sciences, 100190 Beijing, People's Republic of China
推荐引用方式
GB/T 7714		 Cao, Zhen,Aharonian, F.,An, Q.,et al. Discovery of a New Gamma-Ray Source, LHAASO J0341+5258, with Emission up to 200 TeV[J]. ASTROPHYSICAL JOURNAL LETTERS,2021,917(1).
APA Cao, Zhen.,Aharonian, F..,An, Q..,Axikegu.,Bai, L. X..,...&Zuo, X..(2021).Discovery of a New Gamma-Ray Source, LHAASO J0341+5258, with Emission up to 200 TeV.ASTROPHYSICAL JOURNAL LETTERS,917(1).
MLA Cao, Zhen,et al."Discovery of a New Gamma-Ray Source, LHAASO J0341+5258, with Emission up to 200 TeV".ASTROPHYSICAL JOURNAL LETTERS 917.1(2021).
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