The central black hole masses for the γ-ray loud blazars

被引：1
|
作者：
YANG JiangHe1
2 Center for Astrophysics
3 Key Laboratory of Astronomy Observation and Technology
机构：
来源：
Science China(Physics,Mechanics & Astronomy) | 2010年 / 10期
基金：
中国国家自然科学基金;
关键词：
active galactic nuclei (AGNs); time scale; central black hole mass; Doppler factor;
D O I：
暂无
中图分类号：
P145.8 [塌缩星（黑洞）];
学科分类号：
070401 ;
摘要：
The Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST) provides an increase in sensitivity and has detected rapid variability of gamma-ray sources.The variability time scales detected from the gamma-ray loud blazars by LAT and EGRET,and gamma-ray luminosity are used to estimate the central black hole masses.In this work,we find that the lower limits of central black hole masses are in a range of (0.3-24)×107M⊙,which are compared with those obtained by other authors.Our results are consistent with other authors’ results.Also,the Lorentz factor,Γ,and the propagation angle,θ,are obtained for 18 blazars for which superluminal motions are known.
引用
收藏
页码：1921 / 1927
页数：7
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