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OBSERVATION OF TeV GAMMA RAYS FROM THE FERMI BRIGHT GALACTIC SOURCES WITH THE TIBET AIR SHOWER ARRAY

文献类型：期刊论文

作者Amenomori, M.1; Bi, X. J.2; Chen, D.3; Cui, S. W.4; Danzengluobu5; Ding, L. K.2; Ding, X. H.5; Fan, C.2,6; Feng, C. F.6; Feng, Zhaoyang2
刊名ASTROPHYSICAL JOURNAL LETTERS
出版日期2010-01-20
卷号709页码:L6-L10
关键词gamma rays: general pulsars: general ISM: supernova remnants
DOI10.1088/2041-8205/709/1/L6
英文摘要Using the Tibet-III air shower array, we search for TeV gamma-rays from 27 potential Galactic sources in the early list of bright sources obtained by the Fermi Large Area Telescope at energies above 100 MeV. Among them, we observe seven sources instead of the expected 0.61 sources at a significance of 2 sigma or more excess. The chance probability from Poisson statistics would be estimated to be 3.8 x 10(-6). If the excess distribution observed by the Tibet-III array has a density gradient toward the Galactic plane, the expected number of sources may be enhanced in chance association. Then, the chance probability rises slightly, to 1.2 x 10(-5), based on a simple Monte Carlo simulation. These low chance probabilities clearly show that the Fermi bright Galactic sources have statistically significant correlations with Te gamma-ray excesses. We also find that all seven sources are associated with pulsars, and six of them are coincident with sources detected by the Milagro experiment at a significance of 3 sigma or more at the representative energy of 35 TeV. The significance maps observed by the Tibet-III air shower array around the Fermi sources, which are coincident with the Milagro >= 3 sigma sources, are consistent with the Milagro observations. This is the first result of the northern sky survey of the Fermi bright Galactic sources in the TeV region.
WOS关键词CRAB-NEBULA ; SOURCE LIST ; EMISSION ; MILAGRO ; SEARCH ; PULSAR
资助项目Ministry of Education, Culture, Sports, Science and Technology ; Japan Society for the Promotion of Science (JSPS) in Japan[21.9437] ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Ministry of Education of China
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000273310000012
出版者IOP PUBLISHING LTD
资助机构Ministry of Education, Culture, Sports, Science and Technology ; Japan Society for the Promotion of Science (JSPS) in Japan ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Ministry of Education of China
源URL[http://119.78.100.186/handle/113462/33115]  
专题中国科学院近代物理研究所
通讯作者Amenomori, M.
作者单位1.Hirosaki Univ, Dept Phys, Hirosaki, Aomori 0368561, Japan
2.Chinese Acad Sci, Key Lab Particle Astrophys, Inst High Energy Phys, Beijing 100049, Peoples R China
3.Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan
4.Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China
5.Tibet Univ, Dept Math & Phys, Lhasa 850000, Peoples R China
6.Shandong Univ, Dept Phys, Jinan 250100, Peoples R China
7.SW Jiaotong Univ, Inst Modern Phys, Chengdu 610031, Peoples R China
8.Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China
9.Kanagawa Univ, Fac Engn, Yokohama, Kanagawa 2218686, Japan
10.Utsunomiya Univ, Fac Educ, Utsunomiya, Tochigi 3218505, Japan
推荐引用方式
GB/T 7714		 Amenomori, M.,Bi, X. J.,Chen, D.,et al. OBSERVATION OF TeV GAMMA RAYS FROM THE FERMI BRIGHT GALACTIC SOURCES WITH THE TIBET AIR SHOWER ARRAY[J]. ASTROPHYSICAL JOURNAL LETTERS,2010,709:L6-L10.
APA Amenomori, M..,Bi, X. J..,Chen, D..,Cui, S. W..,Danzengluobu.,...&Zhou, X. X..(2010).OBSERVATION OF TeV GAMMA RAYS FROM THE FERMI BRIGHT GALACTIC SOURCES WITH THE TIBET AIR SHOWER ARRAY.ASTROPHYSICAL JOURNAL LETTERS,709,L6-L10.
MLA Amenomori, M.,et al."OBSERVATION OF TeV GAMMA RAYS FROM THE FERMI BRIGHT GALACTIC SOURCES WITH THE TIBET AIR SHOWER ARRAY".ASTROPHYSICAL JOURNAL LETTERS 709(2010):L6-L10.

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来源：近代物理研究所

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