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Detection of gamma-ray emission from globular clusters M15, NGC 6397, 5904, 6218 and 6139 with Fermi-LAT
Zhang, P. F.1,2; Xin, Y. L.2,3; Fu, L.2; Zhou, J. N.4; Yan, J. Z.2; Liu, Q. Z.2; Zhang, L.1
2016-06-11
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume459Issue:1Pages:99-107
AbstractIn the third Fermi catalogue (3FGL) there are 16 gamma-ray globular clusters. Following an analysis of the recently released Pass 8 data from the Fermi Large Area Telescope (LAT), we report the discovery of significant gamma-ray emission from M15 and NGC 6397, confirm that NGC 5904 is a gamma-ray-emitter and provide evidence of gamma-ray emission from NGC 6218 and 6139. Interestingly, in the globular clusters M15, NGC 6397 and 5904, millisecond pulsars (MSPs) have been found in the radio or X-ray, which strongly support the MSP origin of the gamma-ray emission. Owing to the relatively low luminosity of the gamma-ray emission, however, we do not find any evidence for gamma-ray pulsation or flux variability in these sources.
KeywordGlobular Clusters: Individual: M15 Globular Clusters: Individual: Ngc 5904 Globular Clusters: Individual: Ngc 6397 Globular Clusters: Individual: Ngc 6218 Globular Clusters: Individual: Ngc 6139
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnras/stw567
WOS KeywordLARGE-AREA TELESCOPE ; PULSAR-TIMING PACKAGE ; MILLISECOND PULSARS ; SOURCE CATALOG ; 47 TUCANAE ; X-RAY ; POPULATION ; TEMPO2 ; GALAXY ; MODEL
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000376386600008
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16221
Collection宇宙伽马暴、中子星及相关物理研究团组
Affiliation1.Yunnan Univ, Dept Astron, Key Lab Astroparticle Phys Yunnan Prov, Kunming 650091, Peoples R China
2.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Yuquan Rd 19, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Zhang, P. F.,Xin, Y. L.,Fu, L.,et al. Detection of gamma-ray emission from globular clusters M15, NGC 6397, 5904, 6218 and 6139 with Fermi-LAT[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2016,459(1):99-107.
APA Zhang, P. F..,Xin, Y. L..,Fu, L..,Zhou, J. N..,Yan, J. Z..,...&Zhang, L..(2016).Detection of gamma-ray emission from globular clusters M15, NGC 6397, 5904, 6218 and 6139 with Fermi-LAT.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,459(1),99-107.
MLA Zhang, P. F.,et al."Detection of gamma-ray emission from globular clusters M15, NGC 6397, 5904, 6218 and 6139 with Fermi-LAT".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 459.1(2016):99-107.
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