国家自然科学基金(10633010)

作品数:41被引量:49H指数:4
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相关作者:袁聿海樊军辉张江水沈志强杨江河更多>>
相关机构:广州大学中国科学院中国科学院上海天文台中国科学院研究生院更多>>
相关期刊:《广州大学学报(自然科学版)》《江西师范大学学报(自然科学版)》《吉首大学学报(自然科学版)》《科技导报》更多>>
相关主题:GALAXIESBLAZARSNUCLEIACTIVEQUASARS更多>>
相关领域:天文地球理学农业科学航空宇航科学技术更多>>
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基于多波段观测的耀变体能谱分析
《广州大学学报(自然科学版)》2023年第2期77-86,共10页黄宏任 袁聿海 
国家自然科学基金资助项目(U1531245,11403006,10633010)。
文章采用了334个具有射电、中红外、近红外、光学到紫外波段数据的耀变体样本分析光谱特性和谱能量分布。计算出近红外光谱指数(α_(N))、中红外光谱指数(α_(M));基于能谱拟合获得了峰值频率(ν_(p))、峰值光度(L_(p))和抛物线曲率(b)...
关键词:耀变体 光谱 能谱 
Comparison between Fermi detected and non-Fermi detected superluminal sources被引量:1
《Science China(Physics,Mechanics & Astronomy)》2019年第12期110-125,共16页HuBing Xiao JunHui Fan JiangHe Yang Yi Liu YuHai Yuan Jun Tao Denise Costantin YuTao Zhang ZhiYuan Pei LiXia Zhang WenXin Yang 
supported by the National Natural Science Foundation of China(Grant Nos.11733001,U1531245,10633010,11173009,and11403006);the Natural Science Foundation of Guangdong Province(Grant No.2017A030313011);the Astrophysics Key Subjects of Guangdong Province and Guangzhou City;the Science and Technology Program of Guangzhou(Grant No.201707010401)
Active galactic nuclei(AGNs) have been attracting research attention due to their special observable properties. Specifically,a majority of AGNs are detected by Fermi-LAT missions, but not by Fermi-LAT, which raises...
关键词:active GALACTIC NUCLEI jets γ-rays CORRELATIONS 
The relationship between the radio core-dominance parameter and spectral index in different classes of extragalactic radio sources(Ⅱ)被引量:2
《Research in Astronomy and Astrophysics》2019年第5期75-90,共16页Zhi-Yuan Pei Jun-Hui Fan Denis Bastieri Utane Sawangwit Jiang-He Yang 
partially supported by the National Natural Science Foundation of China (11733001, U1531245, 10633010 and 11173009);Natural Science Foundation of Guangdong Province (2017A030313011);Astrophysics Key Subjects of Guangdong Province and Guangzhou City
Active galactic nuclei(AGNs) can be divided into two major classes, namely radio-loud and radio-quiet AGNs. A small subset of the radio-loud AGNs is called blazars, which are believed to be unified with Fanaroff-Riley...
关键词:galaxies:active-galaxies galaxies:jets-quasars:general 
耀变体的峰频估计(英文)
《湖南文理学院学报(自然科学版)》2017年第1期13-18,34,共7页张丽霞 林潮 樊军辉 杨江河 
国家自然科学基金(U1531245,U1431112,11203007,11403006,10633010,11173009);广州大学创新基金(IFGZ);广东省珠江学者项目(GDUPS)(2009);羊城学者(10A027S);广东省和广州市重点学科;广东省创新团队(2014KCXTD014)
收集了60个耀变体样本,考察了有效谱指数(α_(RO),α_(OX)和α_(RX))与同步峰频(logv_p^s)之间的关系。斯皮尔曼秩检验的结果显示有效谱指数与同步峰频之间有很好的反相关。根据两者的相关给出了同步峰频与有效谱指数关联的经验公式。...
关键词:活动星系核 耀变体 同步峰频 
Comparison between TeV and non-TeV BL Lac Objects被引量:1
《Research in Astronomy and Astrophysics》2016年第7期15-28,共14页Chao Lin Jun-Hui Fan 
partially supported by the National Natural Science Foundation of China(Grant Nos.10633010,11173009,U1431112 and U1531245);the Innovation Foundation of Guangzhou University(IFGZ);Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme(GDUPS,2009);Yangcheng Scholar Funded Scheme(10A027S);support for Astrophysics Key Subjects of Guangdong Province and Guangzhou City
BL Lacertae objects(BL Lacs) are the dominant population of Te V emitting blazars. In this work, we investigate whether there are any special observational properties associated with Te V sources.To do so, we will c...
关键词:GALAXIES active BL Lacertae objects general gamma rays GALAXIES 
BL Lac天体1ES 1959+650的长周期光变研究被引量:1
《天文学报》2013年第5期405-410,共6页袁聿海 刘福庆 
国家自然科学基金项目(10633010)资助
根据芬兰Tuorla天文台的光学观测数据,采用功率谱方法、DCF(Discrete Correlation Function)方法和Jurkevich 3种方法,获得BL Lac星系1ES 1959+650的长期光变周期是P=1.4±0.3 yr.假定该周期来源与吸积盘有关,可以得到该源的不稳定性发...
关键词:蝎虎天体:个别ES 1959+650 方法:数值 
Blazar 3C454.3长期偏振变化的周期分析被引量:1
《吉首大学学报(自然科学版)》2012年第5期56-58,共3页袁聿海 邓文婷 何唐梅 
国家自然科学基金资助项目(10633010)
针对Blazar 3C454.3的长期偏振变化现象,采用Power Spectrum方法分析其变化周期,结果显示其变化周期是τ1=17.9a,τ2=6.9a和τ3=3.9a.利用bin=10d得到各个分段的谱指数和平均偏振度,发现两者之间存在一定的相关性.
关键词:BLAZAR 单个 功率谱 偏振变化 
3C345的射电偏振变化
《湖南文理学院学报(自然科学版)》2012年第3期15-17,共3页袁聿海 陈新兵 
国家自然科学基金(10633010)
基于密歇根大学射电天文台数据库(University of Michigan Radio Observatory Datebase—UMRAO),分析了3C345在射电波段的偏振性质.利用功率谱方法得到其在4.8、8和14.5 GHz处的长期偏振变化的周期分别为:11.1±1.7、11.8±1.5和10.9±1...
关键词:BLAZER 3C345 偏振变化 
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 
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