supported by the National Natural Science Foundation of China (Grant No. 11173009);the National Basic Research Program of China (973 program, 2007CB815405);the Bureau of Education of Guangzhou Municipality (No.11 Sui-Jiao-Ke[2009]);Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme(GDUPS) (2009);Yangcheng Scholar Funded Scheme (10A027S);the Joint Laboratory for Optical Astronomy of Chinese Academy of Sciences
Observations suggest that γ-ray loud blazars are strongly beamed. The Fermi mission has detected many of blazars, which provide us with a good opportunity to investigate the emission mechanism and the beaming effect ...
supported by the National Natural Science Foundation of China(Grant Nos.10633010 and 11173009);the National Basic Research Program of China(Grant No.2007CB 815405);the Bureau of Education of Guangzhou Municipality(Grant No.11 Sui-Jiao-Ke[2009]);Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (GDUPS)(2009);Yangcheng Scholar Funded Scheme(Grant No. 10A027S);Hunan Provincial Natural Science Foundation(Grant No. 10JJ3020);Fund of the 11th Five-year Plan for Key Construction Academic Subject(Optics) of Hunan Province,Research Funding from Hunan University of Arts and Science(Grant No.JJZD201101);the Guangzhou Education Bureau and Guangzhou Science and Technology Bureau
Based upon Fermi 1FGL and EGRET 3EG samples, a sample including 79 blazars (53 FSRQs, 26 BL Lacs) is presented. It is investigated that the correlations between the ratio of EGRET to Fermi blazars g-ray flux densiti...
supported by the National Natural Science Foundation of China (Grant Nos. 10633010 and 11173009);the National Basic Research Program of China (Grant No. 2007CB 815405);the Bureau of Education of Guangzhou Municipality (Grant No. 11 Sui-Jiao-Ke[2009]);Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme(GDUPS) (2009), Yangcheng Scholar Funded Scheme (Grant No.10A027S);Hunan Provincial Natural Science Foundation of China (Grant No. 10JJ3020);the Fund of the 11th Five-year Plan for Key Construction Academic Subject (Optics) of Hunan Province;the research fund of Hunan University of Arts and Science (Grant No. JJZD201101)
In this paper, a sample including 68 blazars (18 BL Lacs and 50 FSRQs) with known Doppler factors and superluminal velocity from our previous papers is presented. Both the Lorentz factors (/') and viewing angles (0) a...
Project supported by the National Natural Science Foundation of China (Grant Nos. 10873003 and 10633010);the National Basic Research Program of China (Grant No. 2007CB815405);the Bureau of Education of Guangzhou Municipality, China (Grant No. 11 Sui-Jiao-Ke[2009]);the Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (Grant No. 2009)
According to the Parikh-Wilczek tunneling framework, the locations of the local horizons of dynamic rotating black holes can be worked out. The calculations show that the quantum ergosphere of the black hole is identi...
Project supported by the National Natural Science Foundation of China (Grant Nos. 10873003 and 10633010);the National Basic Research Program of China (Grant No. 2007CB815405);the Bureau of Education of Guangzhou Municipality, China (Grant No. 11 Sui-Jiao-Ke[2009]);the Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (Grant No. 2009)
According to the Parikh–Wilczek tunneling framework, the locations of the local horizons of dynamic rotating black holes can be worked out. The calculations show that the quantum ergosphere of the black hole is ident...
supported by the Doctoral Fund of the Ministry of Education of China (20100091110009);the National Natural Science Foundation of China (Grant Nos. 10878010, 10221001 and 10633040);the National Basic Research Program (973 Program, No. 2007CB815405)
Early-type galaxies (ETGs) are very important for understanding the formation and evolution of galaxies. Recent observations suggest that ETGs are not simply old stellar spheroids as we previously thought. Widesprea...
supported by the National Natural Science Foundation of China (Grant No. 10633010);the National Basic Research Program of China (Grant No. 2007CB815405);the Bureau of Education of Guangzhou Municipality (Grant No. 11 Sui-Jiao-Ke[2009]),and GDUPS (2009);supported by the University of Michigan and the National Science Foundation
Based on the new data from the database of the University of Michigan Radio Astronomy Observatory (UMRAO), we analyze the spectral index and optical variability of OJ287 and 3C279. The main results show that 1) the...
Supported by the National Natural Science Foundation of China(10633010,11173009);the 973 programme (2007CB815405);the Bureau of Education of Guangzhou Municipality(No.11 Sui-Jiao-Ke[2009]);Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme(GDUPS)(2009);Yangcheng Scholar Funded Scheme(10A027S);the Joint Laboratory for Optical Astronomy of Chinese Academy of Sciences