NAOC Open IR
Likely Detection of GeV Gamma-Ray Emission from the Composite Supernova Remnant COMP G327.1+1.1 with Fermi-LAT
Xiang, Yunchuan1,2; Xing, Yi3; Jiang, Zejun1,2
2021-05-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume912Issue:2Pages:6
AbstractWe report the likely GeV gamma-ray emission from the composite supernova remnant (SNR) COMP G327.1+1.1 by analyzing similar to 12.2 yr of the Fermi Large Area Telescope (Fermi-LAT) Pass 8 data. We found the features of its spectrum and luminosity are well consistent with those of the observed COMP SNRs in the Milky Way. Moreover, the position of the source matches those in radio and TeV energy bands; we propose that the gamma-ray source is likely to be a GeV counterpart of COMP G327.1+1.1. Considering the case of the association from COMP G327.1+1.1 and the gamma-ray source, we interpreted its broadband spectral energy distribution (SED) by using three simple stationary models including one-zone and two-zone leptonic models and a one-zone leptohadronic model. We found that the simple two-zone model dominated by leptons can better explain its SED. More high-energy data are expected to firmly confirm the association between the gamma-ray source and COMP G327.1+1.1 in the future.
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department
DOI10.3847/1538-4357/abe624
WOS KeywordPULSAR WIND NEBULA ; EVOLUTION ; CHANDRA
Language英语
Funding ProjectNational Key R&D Program of China[2018YFA0404204] ; National Natural Science Foundation of China[NSFC U1931113] ; National Natural Science Foundation of China[U1738211] ; Foundations of Yunnan Province[2018IC059] ; Foundations of Yunnan Province[2018FY001(-003)] ; Scientific research fund of Yunnan Education Department[2020Y0039]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundations of Yunnan Province ; Foundations of Yunnan Province ; Scientific research fund of Yunnan Education Department ; Scientific research fund of Yunnan Education Department
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000651529300001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77931
Collection中国科学院国家天文台
Corresponding AuthorXiang, Yunchuan
Affiliation1.Yunnan Univ, Dept Astron, Kunming 650091, Yunnan, Peoples R China
2.Key Lab Astroparticle Phys Yunnan Prov, Kunming 650091, Yunnan, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, 80 Nandan Rd, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Xiang, Yunchuan,Xing, Yi,Jiang, Zejun. Likely Detection of GeV Gamma-Ray Emission from the Composite Supernova Remnant COMP G327.1+1.1 with Fermi-LAT[J]. ASTROPHYSICAL JOURNAL,2021,912(2):6.
APA Xiang, Yunchuan,Xing, Yi,&Jiang, Zejun.(2021).Likely Detection of GeV Gamma-Ray Emission from the Composite Supernova Remnant COMP G327.1+1.1 with Fermi-LAT.ASTROPHYSICAL JOURNAL,912(2),6.
MLA Xiang, Yunchuan,et al."Likely Detection of GeV Gamma-Ray Emission from the Composite Supernova Remnant COMP G327.1+1.1 with Fermi-LAT".ASTROPHYSICAL JOURNAL 912.2(2021):6.
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