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Optical Photometry of the Quasar 3C 454.3 during the Period 2006-2018 and the Long-term Periodicity Analysis 期刊论文
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2021, 卷号: 253, 期号: 1, 页码: 10
Authors:  Fan, J. H.;  Kurtanidze, S. O.;  Liu, Y.;  Kurtanidze, O. M.;  Nikolashvili, M. G.;  Liu, X.;  Zhang, L. X.;  Cai, J. T.;  Zhu, J. T.;  He, S. L.;  Yang, W. X.;  Yang, J. H.;  Gu, M. F.;  Luo, G. Y.;  Yuan, Y. H.
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Active galactic nuclei  CCD photometry  Quasars  
The fundamental plane of black hole activity for quiescent sources 期刊论文
ASTRONOMISCHE NACHRICHTEN, 2021, 卷号: 342, 期号: 1-2, 页码: 191-197
Authors:  Dong, Ai-Jun;  Ge, Kang;  Liu, Xiang;  Zhi, Qi-Jun
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accretion  black hole activity  jets  outflows  
Parameterized reconstruction with random scales for radio synthesis imaging 期刊论文
ASTRONOMY & ASTROPHYSICS, 2021, 卷号: 646, 页码: A44
Authors:  Zhang, L.;  Mi, L. G.;  Zhang, M.;  Liu, X.;  Xu, L.;  Wang, F.;  Ruan, Y. J.;  Li, D. Y.
Adobe PDF(11821Kb)  |  Favorite  |  View/Download:14/0  |  Submit date:2021/04/23
methods: data analysis  techniques: image processing  
Spatially-resolved stellar population properties of the M51-NGC 5195 system from multi-wavelength photometric data 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021, 卷号: 21, 期号: 1, 页码: 6
Authors:  Wei, Peng;  Zou, Hu;  Lin, Lin;  Zhou, Xu;  Liu, Xiang;  Kong, Xu;  Ma, Lu;  Ma, Shu-Guo
Adobe PDF(6488Kb)  |  Favorite  |  View/Download:10/0  |  Submit date:2021/04/01
galaxies: evolution  galaxies: individual (M51)  galaxies: photometry  
Intra-Day Variability Observations of Two Dozens of Blazars at 4.8 GHz 期刊论文
UNIVERSE, 2021, 卷号: 7, 期号: 1, 页码: 15
Authors:  Liu, Xiang;  Wang, Xin;  Chang, Ning;  Liu, Jun;  Cui, Lang;  Yang, Xiaofeng;  Krichbaum, Thomas P.
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quasars  general  galaxies  jets  radio continuum  galaxies  ISM  structure  scattering  
Radio Activity of Supermassive Black Holes with Extremely High Accretion Rates 期刊论文
ASTROPHYSICAL JOURNAL, 2020, 卷号: 904, 期号: 2, 页码: 200
Authors:  Yang, Xiaolong;  Yao, Su;  Yang, Jun;  Ho, Luis C.;  An, Tao;  Wang, Ran;  Baan, Willem A.;  Gu, Minfeng;  Liu, Xiang;  Yang, Xiaofeng;  Joshi, Ravi
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Supermassive black holes  Active galaxies  Jets  Active galactic nuclei  
Physical Properties of H II Regions in M51 from Spectroscopic Observations 期刊论文
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2020, 卷号: 132, 期号: 1015, 页码: 094101
Authors:  Wei, Peng;  Zou, Hu;  Kong, Xu;  Zhou, Xu;  Hu, Ning;  Lin, Zesen;  Mao, Yewei;  Lin, Lin;  Zhou, Zhimin;  Liu, Xiang;  Ma, Shuguo;  Ma, Lu;  Zhong, Tuhong;  Dang, Fei;  Sun, Jiantao;  Lin, Xinkui
Adobe PDF(3074Kb)  |  Favorite  |  View/Download:11/0  |  Submit date:2021/04/01
Galaxy abundances  Galaxy evolution  H II regions  Interstellar dust extinction  Interstellar medium  Star formation  
Adaptive-scale wide-field reconstruction for radio synthesis imaging 期刊论文
ASTRONOMY & ASTROPHYSICS, 2020, 卷号: 640, 页码: A80
Authors:  Zhang, L.;  Mi, L. G.;  Zhang, M.;  Liu, X.;  He, C. L.
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methods: data analysis  techniques: image processing  
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
Authors:  Li, Yan-Rong;  Zhang, Zhi-Xiang;  Jin, Chichuan;  Du, Pu;  Cui, Lang;  Liu, Xiang;  Wang, Jian-Min
Adobe PDF(2893Kb)  |  Favorite  |  View/Download:10/0  |  Submit date:2021/04/01
Active galaxies  Quasars  Reverberation mapping  Radio galaxies  Radio jets  
Preliminarily study of Saturn's upper atmosphere density by observing Cassini plunging via China's deep space station 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2020, 卷号: 20, 期号: 7, 页码: 5
Authors:  Chen, Lue;  Ping, Jin-Song;  Liu, Xiang;  Wang, Na;  Cao, Jian-Feng;  Chen, Guang-Ming;  Wang, Ming-Yuan;  Li, Wen-Xiao;  Zhang, Jian-Hui;  Chen, Yong-Qiang;  Yue, Shi-Lei;  Han, Song-Tao;  Sun, Jing
Adobe PDF(616Kb)  |  Favorite  |  View/Download:13/0  |  Submit date:2021/04/01
Cassini  Saturn  Doppler velocity  neutral atmosphere mass density