QQ客服 官方微博 反馈留言

浏览/检索结果: 共11条，第1-10条 帮助 限定条件 发表日期：2020     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Monitoring AGNs with H beta Asymmetry. II. Reverberation Mapping of Three Seyfert Galaxies Historically Displaying H beta Profiles with Changing Asymmetry: Mrk 79, NGC 3227, and Mrk 841 期刊论文 The Astrophysical Journal, 2020, 卷号: 905, 期号: 1 作者:  Brotherton ,Michael S.;  Du, Pu;  Xiao, Ming;  Bao, Dong-Wei;  Zhao, Bixuan 收藏  |  浏览/下载：56/0  |  提交时间：2021/01/25 Seyfert galaxies  Supermassive black holes  Reverberation mapping   Evidence for Two Distinct Broad-line Regions from Reverberation Mapping of PG 0026+129 期刊论文 The Astrophysical Journal, 2020, 卷号: 905, 期号: 1, 页码: 18 作者:  Hu, Chen;  Li, Sha-Sha;  Guo, Wei-Jian;  Yang, Sen;  Yang, Zi-Xu 收藏  |  浏览/下载：75/0  |  提交时间：2021/01/25 Supermassive black holes  Seyfert galaxies  Active galactic nuclei  Quasars  Reverberation mapping  Time domain astronomy   Untangling Optical Emissions of the Jet and Accretion Disk in the Flat-spectrum Radio Quasar 3C 273 with Reverberation Mapping Data 期刊论文 ASTROPHYSICAL JOURNAL, 2020, 卷号: 897, 期号: 1, 页码: 18 作者:  Li, Yan-Rong;  Zhang, Zhi-Xiang;  Jin, Chichuan;  Du, Pu;  Cui, Lang 收藏  |  浏览/下载：17/0  |  提交时间：2021/04/01 Active galaxies  Quasars  Reverberation mapping  Radio galaxies  Radio jets   CivEmission-line Properties and Uncertainties in Black Hole Mass Estimates ofz similar to 3.5 Quasars 期刊论文 ASTROPHYSICAL JOURNAL, 2020, 卷号: 896, 期号: 1, 页码: 23 作者:  Zuo, Wenwen;  Wu, Xue-Bing;  Fan, Xiaohui;  Green, Richard;  Yi WM(易卫敏) 收藏  |  浏览/下载：22/0  |  提交时间：2020/08/03 Black hole physics  Quasars   Spectroscopy of Broad Absorption Line Quasars at 3 less than or similar to Z less than or similar to 5. I. Evidence for Quasar Winds Shaping Broad/Narrow Emission Line Regions 期刊论文 ASTROPHYSICAL JOURNAL, 2020, 卷号: 893, 期号: 2, 页码: 14 作者:  Yi WM(易卫敏);  Zuo, Wenwen;  Yang, Jinyi;  Wang, Feige;  Timlin, John 收藏  |  浏览/下载：53/0  |  提交时间：2020/06/08 Quasars  Broad-absorption line quasar  Supermassive black holes   The correlations between optical/UV broad lines and X-ray emission for a large sample of quasars 期刊论文 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2020, 卷号: 492, 期号: 1, 页码: 719-741 作者:  Timlin, John D., II;  Brandt, W. N.;  Ni, Q.;  Luo, B.;  Pu, Xingting 收藏  |  浏览/下载：34/0  |  提交时间：2020/03/31 galaxies: active  quasars: emission lines  quasars: general  X-rays: general   An Extreme X-Ray Variability Event of a Weak-line Quasar 期刊论文 The Astrophysical Journal Letters, 2020, 卷号: 889, 期号: 2 作者:  Ni,Q.;  Brandt,W. N.;  Yi,W.;  Luo,B.;  Timlin,J. D. 收藏  |  浏览/下载：8/0  |  提交时间：2021/09/26 X-ray active galactic nuclei  Active galaxies  Quasars  X-ray quasars  Radio quiet quasars  X-ray sources   Detection statistics of the RadioAstron AGN survey 期刊论文 ADVANCES IN SPACE RESEARCH, 2020, 卷号: 65, 期号: 2, 页码: 705-711 作者:  Kovalev, Y. Y.;  Kardashev, N. S.;  Sokolovsky, K. V.;  Voitsik, P. A.;  An, T. 收藏  |  浏览/下载：17/0  |  提交时间：2021/09/26 Active galactic nuclei  Quasars  Galaxies: jets  Radio continuum: galaxies  Space VLBI   Spectral Classification and Ionized Gas Outflows in z?～?2 WISE-selected Hot Dust-obscured Galaxies 期刊论文 The Astrophysical Journal, 2020, 卷号: 888, 期号: 2 作者:  Jun,Hyunsung D.;  Assef,Roberto J.;  Bauer,Franz E.;  Blain,Andrew;  Díaz-Santos,Tanio 收藏  |  浏览/下载：5/0  |  提交时间：2020/03/10 Active galaxies   Investigation on young radio AGNs based on SDSS spectroscopy 期刊论文 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2020, 卷号: 491, 期号: 1, 页码: 92-112 作者:  Liao, Mai;  Gu, Minfeng 收藏  |  浏览/下载：3/0  |  提交时间：2021/09/26 accretion, accretion discs  galaxies: active  galaxies: evolution  quasars: emission lines  quasars: supermassive black holes