Multi-epoch analysis of the X-ray spectrum of the active galactic nucleus in NGC 5506
文献类型：期刊论文
| 作者 | Sun, Shangyu3,4,5; Guainazzi, Matteo1; Ni, Qingling3,4; Wang, Jingchun3,4; Qian, Chenyang3,4; Shi, Fangzheng3,4; Wang, Yu3,4; Bambi, Cosimo2,3,4 |
| 刊名 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
 |
| 出版日期 | 2018-08-01 |
| 卷号 | 478期号:2页码:1900-1910 |
| 关键词 | Accretion Accretion Discs Galaxies: Active Galaxies: Individual: Ngc 5506 |
| ISSN号 | 0035-8711 |
| DOI | 10.1093/mnras/sty1233 |
| 英文摘要 | We present a multi-epoch X-ray spectroscopy analysis of the nearby narrow-line Seyfert I galaxy NGC 5506. For the first time, spectra taken by Chandra, XMM-Newton, Suzaku, and NuSTAR-covering the 2000-2014 time span - are analysed simultaneously, using state-of-the-art models to describe reprocessing of the primary continuum by optical thick matter in the active galactic nucleus environment. The main goal of our study is determining the spin of the supermassive black hole (SMBH). The nuclear X-ray spectrum is photoelectrically absorbed by matter with column density similar or equal to 3 x 10(22) cm(-2). A soft excess is present at energies lower than the photoelectric cut-off. Both photoionized and collisionally ionized components are required to fit it. This component is constant over the time-scales probed by our data. The spectrum at energies higher than 2 keV is variable. We propose that its evolution could be driven by flux-dependent changes in the geometry of the innermost regions of the accretion disc. The black hole spin in NGC 5506 is constrained to be 0.93 +/-(0.04)(0.04) at 90 per cent confidence level for one interesting parameter. |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000439547400037 |
| 出版者 | OXFORD UNIV PRESS |
| 源URL | [http://119.78.226.72/handle/331011/32279]  |
| 专题 | 中国科学院上海天文台 |
| 通讯作者 | Bambi, Cosimo |
| 作者单位 | 1.ESA, ESTEC, Keplerlaan 1, NL-2201 AZ Noordwijk, Netherlands 2.Eberhard Karts Univ Tubingen, Theoret Astrophys, Morgenstelle 10, D-72076 Tubingen, Germany 3.Fudan Univ, Dept Phys, 2005 Songhu Rd, Shanghai 200438, Peoples R China 4.Fudan Univ, Ctr Field Theory & Particle Phys, 2005 Songhu Rd, Shanghai 200438, Peoples R China 5.Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Shangyu,Guainazzi, Matteo,Ni, Qingling,et al. Multi-epoch analysis of the X-ray spectrum of the active galactic nucleus in NGC 5506[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,478(2):1900-1910. |
| APA | Sun, Shangyu.,Guainazzi, Matteo.,Ni, Qingling.,Wang, Jingchun.,Qian, Chenyang.,...&Bambi, Cosimo.(2018).Multi-epoch analysis of the X-ray spectrum of the active galactic nucleus in NGC 5506.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,478(2),1900-1910. |
| MLA | Sun, Shangyu,et al."Multi-epoch analysis of the X-ray spectrum of the active galactic nucleus in NGC 5506".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 478.2(2018):1900-1910. |
入库方式： OAI收割
来源：上海天文台
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