NAOC Open IR
A Radio Quasi-periodic Oscillation of 176 days in the Radio-loud Narrow-line Seyfert 1 Galaxy J0849+5108
Zhang, Pengfei1; Wang, Zhongxiang1,2
2021-06-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume914Issue:1Pages:6
AbstractWe analyze the 11 yr long-term light curve of the Radio-loud Narrow-line Seyfert 1 galaxy J0849+5108 and the nearly simultaneous gamma-ray data of the source. The data were obtained with the Owens Valley Radio Observatory 40 m telescope at 15 GHz and with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope, respectively. A quasi-periodic oscillation (QPO) signal at a significance of >5 sigma is found in the radio light curve, but no similar modulation is seen in the gamma-ray light curve. The QPO signal was present for 21 cycles, the longest among the reported radio QPOs, and likely disappeared after 2019 January 16. Different mechanisms proposed to explain the observed QPOs in active galactic nuclei (AGNs) are discussed for this QPO case. Either a secular instability in the inner accretion disk or a helical structure in the jet of J0849+5108 may explain the radio QPO, while for the latter scenario the jet has to be collimated up to similar to 200 pc, similar to that seen in the nearby AGN M87. It will be of interest to keep monitoring the source at radio frequencies, seeing whether similar QPO signals appear again.
Funding OrganizationNASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University ; NASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University ; NASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University ; NASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University
DOI10.3847/1538-4357/abfafd
WOS KeywordACTIVE GALACTIC NUCLEI ; LARGE-AREA TELESCOPE ; X-RAY VARIABILITY ; BLACK-HOLES ; JETS ; ACCRETION ; BLAZARS ; ACCELERATION ; MODULATION ; EMISSION
Language英语
Funding ProjectNASA[NNX08AW31G] ; NASA[NNX11A043G] ; NASA[NNX14AQ89G] ; NSF[AST-0808050] ; NSF[AST-1109911] ; Caltech ; MPIfR ; National Key R&D Program of China[2018YFA0404204] ; Department of Science and Technology of Yunnan Province[2018FY001 (-003)] ; National Program on Key Research and Development Project[2016YFA0400804] ; National Natural Science Foundation of China[11633007] ; Original Innovation Program of the Chinese Academy of Sciences[E085021002] ; Yunnan University[2018FY001 (-003)]
Funding OrganizationNASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University ; NASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University ; NASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University ; NASA ; NASA ; NSF ; NSF ; Caltech ; Caltech ; MPIfR ; MPIfR ; National Key R&D Program of China ; National Key R&D Program of China ; Department of Science and Technology of Yunnan Province ; Department of Science and Technology of Yunnan Province ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Original Innovation Program of the Chinese Academy of Sciences ; Original Innovation Program of the Chinese Academy of Sciences ; Yunnan University ; Yunnan University
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000658874400001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77001
Collection中国科学院国家天文台
Corresponding AuthorZhang, Pengfei
Affiliation1.Yunnan Univ, Sch Phys & Astron, Dept Astron, Key Lab Astroparticle Phys Yunnan Prov, Kunming 650091, Yunnan, Peoples R China
2.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
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GB/T 7714
Zhang, Pengfei,Wang, Zhongxiang. A Radio Quasi-periodic Oscillation of 176 days in the Radio-loud Narrow-line Seyfert 1 Galaxy J0849+5108[J]. ASTROPHYSICAL JOURNAL,2021,914(1):6.
APA Zhang, Pengfei,&Wang, Zhongxiang.(2021).A Radio Quasi-periodic Oscillation of 176 days in the Radio-loud Narrow-line Seyfert 1 Galaxy J0849+5108.ASTROPHYSICAL JOURNAL,914(1),6.
MLA Zhang, Pengfei,et al."A Radio Quasi-periodic Oscillation of 176 days in the Radio-loud Narrow-line Seyfert 1 Galaxy J0849+5108".ASTROPHYSICAL JOURNAL 914.1(2021):6.
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