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The jet of FSRQ PKS 1229-02 and its misidentification as a gamma-ray AGN
Zhao, Wei1,2; Hong, Xiao-Yu1,2,3,4; An, Tao1,2; Yang, Jun5
2019-12-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume19Issue:12Pages:12
Corresponding AuthorZhao, Wei(weizhao@shao.ac.cn)
AbstractFlat-spectrum radio quasar PKS 1229-02 with a knotty and asymmetric radio morphology was identified as the optical and radio counterpart of a gamma-ray source. In this paper, we study the properties (e.g. morphology, opacity, polarization and kinematics) of the jet in PKS 1229-02 using radio interferometry. With our results, we find that the knotty and asymmetric morphology of this source may probably shaped by the interaction between its anterograde jet and the nonuniform dense ambient medium. By reproducing a Spectral Energy Distribution of PKS 1229-02 with the obtained kinematic parameters, we find that the relativistic beaming effect in PKS 1229-02 is not strong enough to produce the reported gamma-ray emission, i.e. PKS 1229-02 may not be a gamma-ray AGN. The misidentification may probably be due to the poor spatial resolution of the gamma-ray detector of the previous generation.
Keywordgalaxies: individual (PKS 1229-02) galaxies: jets radio continuum: galaxies
DOI10.1088/1674-4527/19/12/179
WOS KeywordEGRET CATALOG ; BAND SPECTRA ; LOUD BLAZARS ; EMISSION ; MODEL ; ACCELERATION
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000507468700011
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/35629
Collection中国科学院紫金山天文台
Corresponding AuthorZhao, Wei
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Shanghai Tech Univ, Shanghai 201210, Peoples R China
5.Chalmers Univ Technol, Dept Earth & Space Sci, Onsala Space Observ, SE-43992 Onsala, Sweden
Recommended Citation
GB/T 7714
Zhao, Wei,Hong, Xiao-Yu,An, Tao,et al. The jet of FSRQ PKS 1229-02 and its misidentification as a gamma-ray AGN[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2019,19(12):12.
APA Zhao, Wei,Hong, Xiao-Yu,An, Tao,&Yang, Jun.(2019).The jet of FSRQ PKS 1229-02 and its misidentification as a gamma-ray AGN.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,19(12),12.
MLA Zhao, Wei,et al."The jet of FSRQ PKS 1229-02 and its misidentification as a gamma-ray AGN".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 19.12(2019):12.
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