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Re-observing the NLS1 galaxy RE J1034+396-II. New insights on the soft X-ray excess, QPO, and the analogy with GRS 1915+105
Jin, Chichuan1,2; Done, Chris3; Ward, Martin3
2021
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume500Issue:2Pages:2476-2496
AbstractThe active galactic nucleus (AGN) RE J1034+396 displays the most significant X-ray quasi-periodic oscillation (QPO) detected so far. We perform a detailed spectral-timing analysis of our recent simultaneous XMM-Newton, NuSTAR, and Swift observations. We present the energy dependence of the QPO's frequency, rms, coherence, and phase lag, and model them together with the time-averaged spectra. Our study shows that four components are required to fit all the spectra. These components include an inner disc component (diskbb), two warm corona components (CompTT-1 and CompTT-2), and a hot corona component (nthComp). We find that diskbb, CompTT-2 (the hotter but less luminous component), and nthComp all contain the QPO signal, while CompTT-1 only exhibits stochastic variability. By fitting the lag spectrum, we find that the QPO in diskbb leads CompTT-2 by 679 s, and CompTT-2 leads nthComp by 180 s. By only varying the normalizations, these components can also produce good fits to the time-averaged and variability spectra obtained from previous observations when QPOs were present and absent. Our multiwavelength study shows that the detectability of the QPO does not depend on the contemporaneous mass accretion rate. We do not detect a significant Iron K alpha emission line, or any significant reflection hump. Finally, we show that the rms and lag spectra in the latest observation are very similar to the 67-Hz QPO observed in the micro-quasar GRS 1915+105. These new results support the physical analogy between these two sources. We speculate that the QPO in both sources is due to the expansion/contraction of the vertical structure in the inner disc.
Keywordaccretion, accretion discs galaxies: active galaxies: nuclei
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration
DOI10.1093/mnras/staa3386
WOS KeywordQUASI-PERIODIC OSCILLATIONS ; ACTIVE GALACTIC NUCLEI ; SEYFERT 1 GALAXY ; EMPIRICAL MODE DECOMPOSITION ; SPECTRAL ENERGY-DISTRIBUTION ; XMM-NEWTON OBSERVATIONS ; BLACK-HOLE SPIN ; TIME-LAGS ; PHYSICAL MODEL ; LINE
Language英语
Funding ProjectNational Natural Science Foundation of China[11873054] ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences[XDA15052100] ; Science and Technology Facilities Council (STFC)[ST/P000541/1] ; USA (NASA) ; National Aeronautics and Space Administration
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Science and Technology Facilities Council (STFC) ; Science and Technology Facilities Council (STFC) ; USA (NASA) ; USA (NASA) ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000605983000070
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/79958
Collection中国科学院国家天文台
Corresponding AuthorJin, Chichuan
Affiliation1.Chinese Acad Sci, Natl Astron Observ, 20A Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Univ Durham, Ctr Extragalact Astron, Dept Phys, South Rd, Durham DH1 3LE, England
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Jin, Chichuan,Done, Chris,Ward, Martin. Re-observing the NLS1 galaxy RE J1034+396-II. New insights on the soft X-ray excess, QPO, and the analogy with GRS 1915+105[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,500(2):2476-2496.
APA Jin, Chichuan,Done, Chris,&Ward, Martin.(2021).Re-observing the NLS1 galaxy RE J1034+396-II. New insights on the soft X-ray excess, QPO, and the analogy with GRS 1915+105.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,500(2),2476-2496.
MLA Jin, Chichuan,et al."Re-observing the NLS1 galaxy RE J1034+396-II. New insights on the soft X-ray excess, QPO, and the analogy with GRS 1915+105".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 500.2(2021):2476-2496.
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