KMS National Astronomical Observatories, CAS
Searching for Quasiperiodic Modulations in gamma-Ray Active Galactic Nuclei | |
Zhang, Peng-fei1,2; Yan, Da-hai3,4; Zhou, Jia-neng5; Wang, Jian-cheng3,4; Zhang, Li1 | |
2020-03-10 | |
Source Publication | ASTROPHYSICAL JOURNAL
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ISSN | 0004-637X |
Volume | 891Issue:2Pages:7 |
Abstract | We perform a systematic search of quasiperiodic variabilities in gamma-ray active galactic nuclei in the third Fermi Large Area Telescope source catalog (3FGL). We employ two techniques, Lomb-Scargle Periodogram and Weighted Wavelet Z-transform, to obtain power spectra of gamma-ray light curves covering from 2008 August to 2016 December. The results show that besides several objects that have been reported in previous works, an additional source, the flat spectrum radio quasars PKS 0601-70 has a possible quasiperiodic variability of 450 days in its gamma-ray light curves with the significance of >3 sigma. The physical implications of our findings are discussed. |
Keyword | jets active galactic nuclei blazars Gamma-rays |
Funding Organization | 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association ; 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association ; 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association ; 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association |
DOI | 10.3847/1538-4357/ab71fe |
WOS Keyword | X-RAY ; AREA TELESCOPE ; VARIABILITY ; EMISSION ; OBJECTS ; MODEL ; JET |
Language | 英语 |
Funding Project | National Key R&D Program of China[2018YFA0404204] ; National Natural Science Foundation of China[NSFC-U1738124] ; National Natural Science Foundation of China[NSFC-11803081] ; National Natural Science Foundation of China[NSFC-11661161010] ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University[2018FY001(-003)] ; CAS "Light of West China" Program ; Youth Innovation Promotion Association |
Funding Organization | 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association ; 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association ; 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association ; 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 ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; joint foundation of Department of Science and Technology of Yunnan Province and Yunnan University ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Innovation Promotion Association ; Youth Innovation Promotion Association |
WOS Research Area | Astronomy & Astrophysics |
WOS Subject | Astronomy & Astrophysics |
WOS ID | WOS:000521381800001 |
Publisher | IOP PUBLISHING LTD |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.bao.ac.cn/handle/114a11/55350 |
Collection | 中国科学院国家天文台 |
Corresponding Author | Zhang, Peng-fei |
Affiliation | 1.Yunnan Univ, Sch Phys & Astron, Dept Astron, Key Lab Astroparticle Phys Yunnan Prov, Kunming 650091, Yunnan, Peoples R China 2.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210008, Peoples R China 3.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China 4.Chinese Acad Sci, Ctr Astron Mega Sci, 20A Datun Rd, Beijing 100012, Peoples R China 5.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China |
Recommended Citation GB/T 7714 | Zhang, Peng-fei,Yan, Da-hai,Zhou, Jia-neng,et al. Searching for Quasiperiodic Modulations in gamma-Ray Active Galactic Nuclei[J]. ASTROPHYSICAL JOURNAL,2020,891(2):7. |
APA | Zhang, Peng-fei,Yan, Da-hai,Zhou, Jia-neng,Wang, Jian-cheng,&Zhang, Li.(2020).Searching for Quasiperiodic Modulations in gamma-Ray Active Galactic Nuclei.ASTROPHYSICAL JOURNAL,891(2),7. |
MLA | Zhang, Peng-fei,et al."Searching for Quasiperiodic Modulations in gamma-Ray Active Galactic Nuclei".ASTROPHYSICAL JOURNAL 891.2(2020):7. |
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