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Extracting the Possible Intrinsic Relation between the Radiative Efficiency and Mass of QSOs: A Maximum Likelihood Method and its Application to the SDSS DR7 QSOs 期刊论文
The Astrophysical Journal, 2020, 卷号: 902, 期号: 1
Authors:  Zhang,Fupeng;  Lu,Youjun
Favorite  |  View/Download:4/0  |  Submit date:2021/12/06
Quasars  black hole physics  Supermassive black holes  Accretion  Galaxy accretion disks  
Evidence for Higher Black Hole Spin in Radio-loud Quasars 期刊论文
The Astrophysical Journal, 2017, 卷号: 849, 期号: 1
Authors:  Schulze,Andreas;  Done,Chris;  Lu,Youjun;  Zhang,Fupeng;  Inoue,Yoshiyuki
Favorite  |  View/Download:37/0  |  Submit date:2018/01/08
galaxies: active  galaxies: nuclei  quasars: general  
X-Ray Eclipses of Active Galactic Nuclei 期刊论文
The Astrophysical Journal, 2017, 卷号: 845, 期号: 1
Authors:  Zhang,Fupeng;  Yu,Qingjuan;  Lu,Youjun
Favorite  |  View/Download:18/0  |  Submit date:2017/12/06
galaxies: active  galaxies: Seyfert  quasars: general  quasars: supermassive black holes  X-rays: galaxies  
PROSPECTS FOR CONSTRAINING THE SPIN OF THE MASSIVE BLACK HOLE AT THE GALACTIC CENTER VIA THE RELATIVISTIC MOTION OF A SURROUNDING STAR 期刊论文
The Astrophysical Journal, 2016, 卷号: 827, 期号: 2
Authors:  Yu,Qingjuan;  Zhang,Fupeng;  Lu,Youjun
Favorite  |  View/Download:20/0  |  Submit date:2017/03/02
black hole physics  gravitation  Galaxy: center  relativistic processes  
ON TESTING THE KERR METRIC OF THE MASSIVE BLACK HOLE IN THE GALACTIC CENTER VIA STELLAR ORBITAL MOTION: FULL GENERAL RELATIVISTIC TREATMENT 期刊论文
ASTROPHYSICAL JOURNAL, 2015, 卷号: 809, 期号: 2
Authors:  Zhang, Fupeng;  Lu, Youjun;  Yu, Qingjuan
Favorite  |  View/Download:20/0  |  Submit date:2016/11/09
Black Hole Physics  Galaxy: Center  Galaxy: Nucleus  Gravitation  Relativistic Processes  Stars: Kinematics And Dynamics  
ON THE EXISTENCE OF PULSARS IN THE VICINITY OF THE MASSIVE BLACK HOLE IN THE GALACTIC CENTER 期刊论文
ASTROPHYSICAL JOURNAL, 2014, 卷号: 784, 期号: 2
Authors:  Zhang, Fupeng;  Lu, Youjun;  Yu, Qingjuan
Favorite  |  View/Download:20/0  |  Submit date:2016/12/01
Black Hole Physics  Galaxy: Center  Galaxy: Kinematics And Dynamics  Pulsars: General  
Radiative efficiency of disc accretion in individual SDSS QSOs 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2013, 卷号: 436, 期号: 4, 页码: 3271-3285
Authors:  Wu, Shumei;  Lu, Youjun;  Zhang, Fupeng;  Lu, Ye
Favorite  |  View/Download:15/0  |  Submit date:2016/11/16
Accretion  Accretion Discs  Black Hole Physics  Galaxies: Active  Galaxies: Nuclei  Quasars: General  Quasars: Supermassive Black Holes  
THE GALACTIC CENTER S-STARS AND THE HYPERVELOCITY STARS IN THE GALACTIC HALO: TWO FACES OF THE TIDAL BREAKUP OF STELLAR BINARIES BY THE CENTRAL MASSIVE BLACK HOLE? 期刊论文
ASTROPHYSICAL JOURNAL, 2013, 卷号: 768, 期号: 2
Authors:  Zhang, Fupeng;  Lu, Youjun;  Yu, Qingjuan
Favorite  |  View/Download:17/0  |  Submit date:2016/11/14
Black Hole Physics  Galaxy: Center  Galaxy: Halo  Galaxy: Kinematics And Dynamics  Galaxy: Structure  
THE SPATIAL AND VELOCITY DISTRIBUTIONS OF HYPERVELOCITY STARS 期刊论文
ASTROPHYSICAL JOURNAL, 2010, 卷号: 722, 期号: 2, 页码: 1744-1761
Authors:  Zhang, Fupeng;  Lu, Youjun;  Yu, Qingjuan
Favorite  |  View/Download:13/0  |  Submit date:2017/04/18
Black Hole Physics  Galaxy: Center  Galaxy: Halo  Galaxy: Kinematics And Dynamics  Galaxy: Structure  
ON THE SPATIAL DISTRIBUTION AND THE ORIGIN OF HYPERVELOCITY STARS 期刊论文
ASTROPHYSICAL JOURNAL, 2010, 卷号: 709, 期号: 2, 页码: 1356-1361
Authors:  Lu, Youjun;  Zhang, Fupeng;  Yu, Qingjuan
Favorite  |  View/Download:13/0  |  Submit date:2017/04/19
Black Hole Physics  Galaxy: Center  Galaxy: Halo  Galaxy: Kinematics And Dynamics  Galaxy: Structure