| Searching for Quasiperiodic Modulations in gamma-Ray Active Galactic Nuclei | |
Zhang, Peng-fei1,2; Yan DH(闫大海)3,4 ; Zhou, Jia-neng5; Wang JC(王建成)3,4; Zhang, Li1
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| 发表期刊 | ASTROPHYSICAL JOURNAL
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| 2020-03-10 | |
| 卷号 | 891期号:2页码:7 |
| DOI | 10.3847/1538-4357/ab71fe |
| 产权排序 | 第3完成单位 |
| 收录类别 | SCI |
| 关键词 | jets active galactic nuclei blazars Gamma-rays |
| 摘要 | 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. |
| 资助项目 | 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 |
| 项目资助者 | National Key R&D Program of China[2018YFA0404204] ; National Natural Science Foundation of China[NSFC-U1738124, NSFC-11803081, 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 |
| 语种 | 英语 |
| 学科领域 | 天文学 ; 天体物理学 ; 高能天体物理学 |
| 文章类型 | Article |
| 出版者 | IOP PUBLISHING LTD |
| 出版地 | TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND |
| ISSN | 0004-637X |
| URL | 查看原文 |
| WOS记录号 | WOS:000521381800001 |
| WOS研究方向 | Astronomy & Astrophysics |
| WOS类目 | Astronomy & Astrophysics |
| 关键词[WOS] | X-RAY ; AREA TELESCOPE ; VARIABILITY ; EMISSION ; OBJECTS ; MODEL ; JET |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/23009 |
| 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 | Zhang, Peng-fei |
| 作者单位 | 1.Department of Astronomy, School of Physics and Astronomy, Key Laboratory of Astroparticle Physics of Yunnan Province, Yunnan University, Kunming 650091, People's Republic of China 2.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, People's Republic of China 3.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, People's Republic of China 4.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, People's Republic of China 5.Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People's Republic of China |
| 推荐引用方式 GB/T 7714 | Zhang, Peng-fei,Yan DH,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 DH,Zhou, Jia-neng,Wang JC,&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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