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GeV Detection of HESS J0632+057
Li, Jian1; Torres, Diego F.1,2; Cheng, K-S.3; de Ona Wilhelmi, Emma1; Kretschmar, Peter4; Hou X(侯贤)5,6,7; Takata, Jumpei8; Li, Jian(Inst Space Sci CSIC IEEC, Campus UAB,Carrer Magrans S-N, E-08193 Barcelona, Spain)
发表期刊ASTROPHYSICAL JOURNAL
2017-09-10
卷号846期号:2
DOI10.3847/1538-4357/aa7ff7
产权排序第5完成单位
收录类别SCI
关键词Gamma-rays: Stars X-rays: Individual (Hess j0632+057)
摘要HESS J0632+057 is the only gamma-ray binary that has been detected at TeV energies, but not at GeV energies yet. Based on nearly nine years of Fermi Large Area Telescope (LAT) Pass 8 data, we report here on a deep search for the gamma-ray emission from HESS J0632+057 in the 0.1-300 GeV energy range. We find a previously unknown gamma-ray source, Fermi J0632.6+0548, spatially coincident with HESS J0632+057. The measured flux of Fermi J0632.6+0548 is consistent with the previous flux upper limit on HESS J0632+057 and shows variability that can be related to the HESS J0632+057 orbital phase. We propose that Fermi J0632.6+0548 is the GeV counterpart of HESS J0632+057. Considering the Very High Energy spectrum of HESS J0632+057, a possible spectral turnover above 10 GeV may exist in Fermi J0632.6+0548, as appears to be common in other established gamma-ray binaries.
项目资助者National Aeronautics and Space Administration ; Department of Energy in the United States ; Commissariat a l'Energie Atomique ; Centre National de la Recherche Scientifique/ Institut National de Physique Nucleaire et de Physique des Particules in France ; Agenzia Spaziale Italiana ; Istituto Nazionale di Fisica Nucleare in Italy ; Ministry of Education, Culture, Sports, Science and Technology (MEXT) ; High Energy Accelerator Research Organization (KEK) ; Japan Aerospace Exploration Agency (JAXA) in Japan ; K. A. Wallenberg Foundation ; Swedish Research Council ; Swedish National Space Board in Sweden ; Istituto Nazionale di Astrofisica in Italy ; Centre National d'Etudes Spatiales in France ; National Key Research and Development Program of China(2016YFA0400800) ; National Natural Science Foundation of China(NSFC-11473027, NSFC-11503078, NSFC-11133002, NSFC-11103020, NSFC-11673013) ; XTP project(XDA 04060604) ; Strategic Priority Research Program The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; CERCA Programme of the Generalitat de Catalunya ; Faculty of the European Space Astronomy Centre ; GRF Grants of the Government of the Hong Kong SAR(GRF 17302315) ; (AYA2015-71042-P) ; (SGR 2014-1073)
语种英语
学科领域天文学
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000410687700017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY BINARY ; DEEP CHANDRA OBSERVATIONS ; ENERGY GAMMA-RAYS ; FERMI-LAT ; LS I+61-DEGREES-303 ; ORBITAL MODULATION ; SPECTRAL-ANALYSIS ; TEV BINARIES ; SPACED DATA ; CYGNUS X-1
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/11942
专题高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Li, Jian(Inst Space Sci CSIC IEEC, Campus UAB,Carrer Magrans S-N, E-08193 Barcelona, Spain)
作者单位1.Institute of Space Sciences (CSIC–IEEC), Campus UAB, Carrer de Magrans s/n, E-08193 Barcelona, Spain
2.Institució Catalana de Recerca i Estudis Avançats (ICREA), E-08010 Barcelona, Spain
3.Department of Physics, University of Hong Kong, Pokfulam Road, Hong Kong, China
4.European Space Astronomy Centre (ESA/ESAC), Science Operations Department, Villanueva de la Cañada (Madrid), Spain
5.Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming 650216, China
6.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming 650216, China
7.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, China
8.School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
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GB/T 7714
Li, Jian,Torres, Diego F.,Cheng, K-S.,et al. GeV Detection of HESS J0632+057[J]. ASTROPHYSICAL JOURNAL,2017,846(2).
APA Li, Jian.,Torres, Diego F..,Cheng, K-S..,de Ona Wilhelmi, Emma.,Kretschmar, Peter.,...&Li, Jian.(2017).GeV Detection of HESS J0632+057.ASTROPHYSICAL JOURNAL,846(2).
MLA Li, Jian,et al."GeV Detection of HESS J0632+057".ASTROPHYSICAL JOURNAL 846.2(2017).
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