Improving the flux calibration in reverberation mapping by spectral fitting:application to the seyfert galaxy mcg–6-30-15
文献类型：期刊论文
| 作者 | Hu,Chen1; Wang,Jian-Min1,2; Ho,Luis C.3,4; Bai,Jin-Ming5; Li,Yan-Rong1; Du,Pu1; Lu,Kai-Xing1,6 |
| 刊名 | The astrophysical journal
 |
| 出版日期 | 2016-12-01 |
| 卷号 | 832期号:2 |
| ISSN号 | 0004-637X |
| 关键词 | Galaxies: active Galaxies: individual (mcg–6-30-15) Galaxies: nuclei Galaxies: seyfert Methods: data analysis |
| DOI | 10.3847/0004-637x/832/2/197 |
| 英文摘要 | Abstract we propose a method for the flux calibration of reverberation mapping spectra, based on accurate measurement of [o iii] λ5007 emission by spectral fitting. our method can achieve better accuracy than the traditional method of groningen & wanders, allowing reverberation mapping measurements for objects with variability amplitudes as low as ～5%. as a demonstration, we reanalyze the data of the seyfert 1 galaxy mcg–6-30-15, taken from the 2008 campaign of the lick active galactic nucleus monitoring project, which previously failed to obtain a time lag for this weakly variable object, owing to a relatively large flux calibration uncertainty. we detect a statistically significant rest-frame time lag of days between the hβ and v-band light curves. combining this lag with fwhm(hβ)?=?1933?±?81 km s?1 and a virial coefficient of f?=?0.7, we derive a virial black hole mass of m⊙, which agrees well with previous estimates by other methods. |
| 语种 | 英语 |
| 出版者 | The American Astronomical Society |
| WOS记录号 | IOP:0004-637X-832-2-197 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2175684 |
| 专题 | 高能物理研究所 |
| 作者单位 | 1.Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China; huc@ihep.ac.cn 2.National Astronomical Observatories of China, Chinese Academy of Sciences, 20A Datun Road, Beijing 100020, China 3.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, China 4.Department of Astronomy, School of Physics, Peking University, Beijing 100871, China 5.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China 6.Department of Astronomy, Beijing Normal University, Beijing 100875, China |
| 推荐引用方式 GB/T 7714 | Hu,Chen,Wang,Jian-Min,Ho,Luis C.,et al. Improving the flux calibration in reverberation mapping by spectral fitting:application to the seyfert galaxy mcg–6-30-15[J]. The astrophysical journal,2016,832(2). |
| APA | Hu,Chen.,Wang,Jian-Min.,Ho,Luis C..,Bai,Jin-Ming.,Li,Yan-Rong.,...&Lu,Kai-Xing.(2016).Improving the flux calibration in reverberation mapping by spectral fitting:application to the seyfert galaxy mcg–6-30-15.The astrophysical journal,832(2). |
| MLA | Hu,Chen,et al."Improving the flux calibration in reverberation mapping by spectral fitting:application to the seyfert galaxy mcg–6-30-15".The astrophysical journal 832.2(2016). |
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来源：高能物理研究所
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