云南高校图书馆联盟文献共享服务平台- AGNS

AGNS: 作品数：37被引量：20H指数：2; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：罗阿理吴福朝张晋胡占义李乡儒更多>>; 相关机构：中国科学院国家天文台中国科学技术大学中国科学院自动化研究所云南师范大学更多>>; 相关期刊：《东南国防医药》《中国科学：物理学、力学、天文学》《Science China(Physics,Mechanics & Astronomy)》《Science China Mathematics》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划广东省自然科学基金更多>>

Spectral Fittings of Warm Coronal Radiation with High Seed Photon Temperature:Apparent Low-temperature and Flat Soft Excess in AGNs: 《Research in Astronomy and Astrophysics》2024年第7期135-144,共10页Ze-Yuan Tang Jun-Jie Feng Jun-Hui Fan; partially supported by the National Natural Science Foundation of China(NSFC,grant Nos.U2031201 and11733001);the Natural Science Foundation of Guangdong Province(2019B030302001);the science research grants from the China Manned Space Project,with No.CMS-CSST-2021-A06;support from Astrophysics Key Subjects of Guangdong Province and Guangzhou City;support from Scientific and Technological Cooperation Projects(2020-2023)between the People’s Republic of China and the Republic of Bulgaria;support that was received from Guangzhou University(No.YM2020001)。; A warm corona has been widely proposed to explain the soft excess(SE)in X-ray above the 2-10 ke V power law extrapolation in Active Galactic Nuclei(AGNs).In actual spectral fittings,the warm coronal seed photon temper...; 关键词：galaxies active-accretion-accretion disks-black hole physics

Identifying Three New AGNs among Fermi Unidentified Gigaelectronvolt Sources: 《Research in Astronomy and Astrophysics》2024年第7期257-267,共11页Shun-Hao Ji Zhong-Xiang Wang Qiang-Meng Huang Ruo-Heng Yang; supported by the Basic Research Program of Yunnan Province(No.202201AS070005);the National Natural Science Foundation of China(NSFC,grant No.12273033);the Original Innovation Program of the Chinese Academy of Sciences(E085021002);support of the science research program for graduate students of Yunnan University(KC-23234629)。; We report our identification of three gigaelectronvoltγ-ray sources,4FGL J0502.6+0036,4FGL J1055.9+6507,and 4FGL J1708.2+5519,as Active Galactic Nuclei(AGNs).They are listed in the latest Fermi-Large Area Telescope s...; 关键词：GAMMA-RAYS galaxies-(galaxies)BL Lacertae objects general-(galaxies)quasars GENERAL

Black holes as the source of dark energy:A stringent test with high-redshift JWST AGNs: 《Science China(Physics,Mechanics & Astronomy)》2024年第2期181-188,共8页Lei Lei Lei Zu Guan-Wen Yuan Zhao-Qiang Shen Yi-Ying Wang Yuan-Zhu Wang Zhen-Bo Su Wen-Ke Ren Shao-Peng Tang Hao Zhou Chi Zhang Zhi-Ping Jin Lei Feng Yi-Zhong Fan Da-Ming Wei; support of Cyrus Chun Ying Tang Foundations;supported by the National Natural Science Foundation of China(Grant Nos.11921003,and 12233011);the Chinese Academy of Sciences via the Key Research Program of Frontier Sciences(Grant No.QYZDJ-SSWSYS024)。; Studies have proposed that there is evidence for cosmological coupling of black holes(BHs)with an index of k≈3;hence,BHs serve as the astrophysical source of dark energy.However,the data sample is limited for the red...; 关键词：dark energy supermassive black hole active galactic nuclei James Webb Space Telescope

Radio core dominance of Fermi/LAT-detected AGNs被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2020年第5期105-123,共19页ZhiYuan Pei JunHui Fan Denis Bastieri JiangHe Yang HuBing Xiao; supported by the National Natural Science Foundation of China(Grant Nos.11733001,and U1531245);the Natural Science Foundation of Guangdong Province(Grant No.2017A030313011)。; We present a sample of 4388 AGNs with available radio core-dominance parameters—defined as the ratio of the core flux densities to the extended ones, R = S_(core)/S_(ext).—which includes 630 Fermi-detected AGNs from...; 关键词：active GALACTIC nuclei(AGNs) QUASARS γ-rays

Low-mass and high-mass supermassive black holes in radio-loud AGNs are spun-up in different evolution paths: 《Research in Astronomy and Astrophysics》2019年第10期59-64,共6页Jing Wang Min-Zhi Kong Shun-Fang Liu Da-Wei Xu Qiang Zhang Jian-Yan Wei; supported by the National Natural Science Foundation of China (NSFC; Grant Nos. 11773036 and 11473036);supported by the NSFC Youth Foundation (11303008) and by the Astronomical Union Foundation (U1831126);supported by the National Basic Research Program of China (2014CB845800), the NSFC (11533003);the Strategic Pioneer Program on Space Science, Chinese Academy of Sciences (XDA 15052600 and XDA 15016500);paritally supported by the Bagui Young Scholars Program;the Natural Science Foundation of Guangxi (2018GXNSF GA281007); How supermassive black holes(SMBHs) are spun-up is a key issue in modern astrophysics. As an extension to the study in Wang et al., here we address the issue by comparing the host galaxy properties of nearby(z < 0.05)...; 关键词：GALAXIES bulges-galaxies nuclei-galaxies SEYFERT

Effective spectral index properties for Fermi blazars被引量：1: 《Science China(Physics,Mechanics & Astronomy)》2018年第5期46-52,共7页JiangHe Yang JunHui Fan Yi Liu YueLian Zhang ManXian Tuo JianJun Nie YuHai Yuan; supported by the National Natural Science Foundation of China(Grant Nos.U1431112,U1531245,11733001,and 11403006);the Innovation Foundation of Guangzhou University(IFGZ);the Guangdong Innovation Team(Grant No.2014KCXTD014);Astrophysics Key Subjects of Guangdong Province and Guangzhou City;the Hunan Provincial Natural Science Foundation of China(Grant No.2015JJ2104);the Research Foundation of the Education Bureau of Hunan Province,China(Grant No.16C1081); Blazars are a special subclass of active galactic nuclei with extreme observation properties. This subclass can be divided into two further subclasses of flat spectrum radio quasars(FSRQs) and BL Lacertae objects(BL L...; 关键词：active galactic nuclei （AGNs） BLAZARS effective spectral index

On the mean radiative efficiency of accreting massive black holes in AGNs and QSOs: 《Science China(Physics,Mechanics & Astronomy)》2017年第10期51-58,共8页XiaoXia Zhang YouJun Lu; the National Key Program for Science and Technology Research and Development(Grant No.2016YFA0400704);the National Natural Science Foundation of China(Grant Nos.11373031,and11390372);the Strategic Priority Program of the Chinese Academy of Sciences(Grant No.XDB 23040100); Radiative efficiency is an important physical parameter that describes the fraction of accretion material converted to radiative energy for accretion onto massive black holes （MBHs）. With the simplest Sottan argumen...; 关键词：black hole galaxies QUASARS

The relationship between the properties of PAHs and AGN activities in type-I AGNs: 《Research in Astronomy and Astrophysics》2015年第5期663-672,共10页Qi-Chen Feng Jing Wang Hua-Li Li Jian-Yan Wei; Supported by the National Natural Science Foundation of China; In order to explore the relationship between properties of Polycyclic Aromatic Hydrocarbons （PAHs） and AGN activities in Type-I AGNs, we compiled a sample of 47 Type-I AGNs with measured PAH 11.3 μm and 7.7 μm emi...; 关键词：infrared ISM -- quasars emission lines -- galaxies active -- galaxies evolution -- methods statistical

Possible evidence of destroying small PAH particles by radiation from AGNs: 《Research in Astronomy and Astrophysics》2015年第2期199-206,共8页Qi-Chen Feng Jing Wang Jian-Yan Wei; Supported by the National Natural Science Foundation of China; The issue of destroying small polycyclic aromatic hydrocarbon （PAH） par- ticles by radiation from AGNs is examined through optical narrow-emission line ra- tios of a sample of type II AGNs. We find that narrow-line ...; 关键词：infrared: ISM quasars: emission lines galaxies: active galaxies: AGN methods: statistical

A search for double-peaked narrow emission line galaxies and AGNs in the LAMOST DR1: 《Research in Astronomy and Astrophysics》2014年第10期1234-1250,共17页Zhi-Xin Shi A-Li Luo Georges Comte Xiao-Yan Chen Peng Wei Yong-Heng Zhao Fu-Chao Wu Yan-Xia Zhang Shi-Yin Shen Ming Yang Hong Wu Xue-Bing Wu Hao-Tong Zhang Ya-Juan Lei Jian-Nan Zhang Ting-Gui Wang Ge Jin Yong Zhang; Supported by the National Natural Science Foundation of China; The Large Sky Area Multi-Object Fiber Spectroscopic Telescope （LAMOST） has released more than two million spectra, which provide the opportunity to search for double-peaked narrow emission line （NEL） galaxies and ...; 关键词：GALAXIES emission lines -- quasars emission lines -- methods dataanalysis

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