国家重点基础研究发展计划(2007CB815405)

作品数:32被引量:45H指数:4
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相关作者:樊军辉唐洁吴学兵沈志强杨江河更多>>
相关机构:广州大学陕西理工大学北京大学中国科学院更多>>
相关期刊:《Science China(Physics,Mechanics & Astronomy)》《Communications in Theoretical Physics》《湖南文理学院学报(自然科学版)》《Chinese Physics B》更多>>
相关主题:GALAXIESBLAZARSQUASARSGENERALACTIVE更多>>
相关领域:天文地球理学农业科学电子电信更多>>
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基于聚合经验模态分解方法的OJ 287射电流量变化周期分析被引量:2
《物理学报》2013年第12期566-573,共8页唐洁 
国家自然科学基金重点项目(批准号:11033001);国家重点基础研究发展计划(批准号:2007CB815405)~~
BL Lac天体OJ 287是一个重要的Blazar天体,光变具有准周期特点.本文从密歇根大学射电天文台数据库收集了OJ 287射电波段4.8,8.0和14.5GHz超过30年时间的观测数据.由于天文观测资料的复杂性,一些传统寻找周期的方法不是太理想.近几年迅...
关键词:OJ287 光变周期 聚合经验模态分解 
The gamma-ray Doppler factor determinations for a Fermi blazar sample被引量:6
《Research in Astronomy and Astrophysics》2013年第3期259-269,共11页Jun-Hui Fan Jiang-He Yang Yi Liu Jing-Yi Zhang 
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 ...
关键词:galaxies: active -- galaxies: BL Lacertae objects -- galaxies: quasars --galaxies: jets 
The gamma-ray spectral index changes for blazars被引量:3
《Science China(Physics,Mechanics & Astronomy)》2012年第11期2179-2185,共7页YANG JiangHe FAN JunHui NIE JianJun YANG RuShu 
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...
关键词:active galactic nuclei (AGN) BLAZARS gamma-ray emission spectral index 
基于结构函数方法的类星体证认被引量:4
《物理学报》2012年第21期574-580,共7页唐洁 傅明星 吴学兵 
国家自然科学重点项目(批准号:11033001);国家重点基础研究发展计划(批准号:2007CB815405)资助的课题~~
光变巡天是搜寻类星体的一个很有效的方法.应用归一化结构函数对SDSS stripe 82中存在光变的1411个类星体和174个恒星进行分类,选取幂函数模型拟合这些样本5个波段的结构函数.综合幅值和幂指数两个物理量设置了合适的分类判据,获得了比...
关键词:结构函数 类星体 SDSS 光变 
Lorentz factor estimation for radio sources被引量:1
《Science China(Physics,Mechanics & Astronomy)》2012年第8期1510-1514,共5页YANG JiangHe FAN JunHui YUAN YuHai 
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...
关键词:radio sources Lorentz factor viewing angle 
Discussion on event horizon and quantum ergosphere of dynamic rotating black holes in a tunneling framework
《Chinese Physics B》2012年第7期158-163,共6页刘佰生 张靖仪 
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...
关键词:Hawking radiation dynamic rotating black holes tunneling framework quantum ergo-sphere 
Discussion on event horizon and quantum ergosphere of dynamic rotating black holes in a tunneling framework
《Chinese Physics B》2012年第7期162-167,共6页刘佰生 张靖仪 
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...
关键词:Hawking radiation dynamic rotating black holes tunneling framework quantum ergosphere 
Peculiar early-type galaxies with central star formation
《Research in Astronomy and Astrophysics》2012年第5期485-499,共15页Chong Ge Qiu-Sheng Gu 
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...
关键词:galaxies elliptical and lenticular cD- galaxies: peculiar - galaxies evolution 
Radio variability for OJ287 and 3C279被引量:1
《Science China(Physics,Mechanics & Astronomy)》2012年第4期717-722,共6页YUAN YuHai 
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...
关键词:GALAXIES blazers BL Lacs OJ287 3C279 
TeV噪BlazarPKS2155-304中心双黑洞系统(英文)
《广州大学学报(自然科学版)》2012年第2期18-22,共5页樊军辉 
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
PKS2155-304是一个典型的TeV源,在全波段都观测到光变.文章利用GeVγ辐射和X辐射观测资料确定GeVγ辐射的基本参量以及相关黑洞质量,利用光学光变周期分析中心双黑洞系统的结构参量,并利用TeV的光变时标确定TeV辐射的区域大小以及离中...
关键词:星系-BL Lac天体-γ 辐射-喷流-黑洞-PKS2155-304 
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