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BLAZAR: 作品数：64被引量：69H指数：5; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：杨江河陈洛恩杨如曙张雄樊军辉更多>>; 相关机构：云南师范大学湖南文理学院广州大学中国科学院大学更多>>; 相关期刊：《广州大学学报（自然科学版）》《天文学进展》《Science Bulletin》《物理学报》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湖南省教育厅科研基金云南省自然科学基金更多>>

Revisit the γ-Ray Flare Associated with Blazar Mrk 421: 《Research in Astronomy and Astrophysics》2024年第12期53-60,共8页Xiang-Tao Zeng Ze-Yuan Tang Jun-Hui Fan; partially supported by the National Natural Science Foundation of China (NSFC, grant Nos. 12433004, U2031201, and 11733001);Guangdong Major Project of Basic and Applied Basic Research (grant No. 2019B030302001);the science research grants from the China Manned Space Project with No. CMS-CSST-2021-A06;the support for Astrophysics Key Subjects of Guangdong Province and Guangzhou City;The Key Laboratory for Astronomical Observation and Technology of Guangzhou also supports the work。; A Very High-energy(VHE) flare was observed by Major Atmospheric Gamma Imaging Cherenkov Telescopes on MJD 57788. This VHE flare was characterized by increased VHE flux and short timescales. In this study, we used one-...; 关键词：radiation mechanisms non-thermal-(galaxies) BL Lacertae objects individual(Mrk 421)-galaxies jets

Strong gravitational lensing of blazar gamma-radiation and intergalactic magnetic fields: 《Chinese Physics C》2024年第1期184-191,共8页Yu.N.Eroshenko; The influence of intergalactic magnetic fields on the strong gravitational lensing of blazar secondary gamma radiation is discussed.Currently,two cases of strong gravitational lensing of blazar gamma-radiation are kno...; 关键词：gravitational lensing BLAZAR gamma-astronomy intergalactic magnetic fields

A Quasi-periodic Oscillation of ~4.6 yr in the Radio Light Curves of Blazar PKS 0607-157: 《Research in Astronomy and Astrophysics》2023年第9期105-113,共9页Xiao-Pan Li Hai-Yan Yang Yan Cai Xie-Fei Song Hai-Tao Yang Yu-Qiong Shan; funded by the National Natural Science Foundation of China (NSFC) under No.11903028;the support from the “Yunnan Revitalization Talent Support Program” of Yunnan province, China;the University of Michigan Radio Astronomy Observatory, which is supported by the University of Michigan;by a series of grants from the National Science Foundation, most recently AST-0607523;NASA Fermi grants NNX09AU16G, NNX10AP16G, and NNX11AO13G.; We present periodicity search analyses on long-term radio light curves at 4.8,8,and 14.5 GHz of blazar PKS 0607–157 observed by the University of Michigan Radio Astronomical Observatory telescope.The highly variable ...; 关键词：GALAXIES active-(galaxies )BL Lacertae objects general-(galaxies )BL Lacertae objects individual(PKS 0607-157)

Fermi blazar的射电谱指数性质被引量：1: 《中国科学：物理学、力学、天文学》2023年第8期193-204,共12页汪胜辉杨江河樊军辉张月莲庹满先聂建军陈秀慧; 国家自然科学基金(编号:U2031112,U2031201,11733001);湖南省教育厅研究基金(编号:20C1273);广东省基础与应用基础研究重大项目(编号:2019B030302001);中国载人航天工程科学研究项目(编号:CMS-CSST-2021-A06)资助。; 以Fermi/LAT 4FGL-DR3中blazar为样本,绘制了其射电能谱图(logf_(ν)-logν).根据散点的分布趋势,分别用一次、二次或三次曲线对能谱进行了拟合,最后得到2347个blazar的能谱及其拟合曲线的参数.根据拟合结果给出了0.05,0.1,0.5,1.4,5,8,...; 关键词：耀变体射电辐射谱指数

Photometric Monitoring of Blazar 3C 66A with the Yunnan University Astronomical Observatory 1 m Telescope: 《Research in Astronomy and Astrophysics》2023年第4期148-163,共16页Wei Zeng Tao Wen Zhen-Lu Gong Shi Chen Fan Wu Hao-Yang Zhang Ben-Zhong Dai; supported by the fund for the Youth Project of Basic Research Program of Yunnan Province (202001BB050012);the Joint Foundation of Department of Science and Technology of Yunnan Province and Yunnan University (202201BF070001-020);funded by the“Yunnan University Development Plan for World-Class Astronomy Discipline”。; 3C 66A is one of our first batches of photometric monitoring objects with the 1 m optical telescope at Yunnan University Astronomical Observatory.In the present work,the observational campaign was performed from 2021 ...; 关键词：(galaxies:)BL Lacertae objects individual(3C 66A)-galaxies photometry-galaxies active

Evidence of Quasi-periodic Oscillation in the Optical Band of the Blazar 1ES 1959+650: 《Research in Astronomy and Astrophysics》2022年第11期14-20,共7页Fu-Tong Dong Ning Gai Yanke Tang Yi-Fan Wang Ting-Feng Yi; supported by National Natural Science Foundation of China(Grant No.U1931106);Shandong Provincial Natural Science Foundation of China(Grant No.ZR2019YQ03);Project of Shandong Qing Chuang Science and Technology Plan(Grant No.2019KJJ006)。; We analyzed the optical monitoring data in the R band of Te V blazar 1ES 1959+650 from 2002 to 2018,and provided evidence of a quasi-periodic oscillation in this object.The light curve shows a stable and persistent pe...; 关键词：galaxies:active methods:numerical galaxies:individual(1ES 1959+650)

About 300 days Optical Quasi-periodic Oscillations in the Long-term Light Curves of the Blazar PKS 2155-304: 《Research in Astronomy and Astrophysics》2022年第8期284-293,共10页Qi Zheng Xue-Guang Zhang Qi-Rong Yuan; the National Natural Science Foundation of China(Grant Nos.11873032 and 12173020)。; Based on the long-term light curves collected from the Catalina Sky Survey(CSS)(from 2005 to 2013)and the All-Sky Automated Survey for Supernovae(ASAS-SN)(from 2014 to 2018),optical quasi-periodic oscillations(QPOs)ab...; 关键词：(galaxies:)BL Lacertae objects:individual(PKS 2155-304) galaxies:active (galaxies:)quasars:supermassive black holes

Searching for axion-like particles with the blazar observations of MAGIC and Fermi-LAT: 《Chinese Physics C》2022年第8期262-272,共11页Hai-Jun Li Xiao-Jun Bi Peng-Fei Yin; Supported by the National Key R&D Program of China (2016YFA0400200);the National Natural Science Foundation of China (U1738209,11851303)。; In this study,we explore the axion-like particle(ALP)-photon oscillation effect in the γ-ray spectra of the blazars Markarian 421(Mrk 421) and PG 1553+113,which are measured by the Major Atmospheric Gamma Imaging Che...; 关键词：AXION Γ-RAY BLAZAR

Long-term multi-wavelength variations of Fermi blazar 3C 279: 《Research in Astronomy and Astrophysics》2021年第8期5-15,共11页Bing-Kai Zhang Min Jin Xiao-Yun Zhao Li Zhang Ben-Zhong Dai; the support from National Natural Science Foundation of China (NSFC,Nos.U1831124 and 11273008);the Natural Science Foundation of Anhui Province of China (Grant No.1908085MA28)。; Long-term optical,X-ray and γ-ray data of blazar 3 C 279 have been compiled from Swift-XRT,RXTE-PCA,Fermi-LAT,SMARTS and literature.The source exhibits strong variability on long timescales.From the 1980 s until now,...; 关键词：galaxies:active BL Lacertae objects:general quasars:general quasars:individual(3C 279)

Fast jet proper motion discovered in a blazar at z=4.72: 《Science Bulletin》2020年第7期525-530,M0003,共7页Yingkang Zhang Tao An Sándor Frey; This work was supported by the National Key R&D Programme of China(2018YFA0404603);the Chinese Academy of Sciences(114231KYSB20170003);the Hungarian National Research,Development and Innovation Office(2018-2.1.14-T T-CN-2018-00001).The authors acknowledge the use of Astrogeo Center database of brightness distributions,correlated flux densities;images of compact radio sources produced with VLBI.YZ thanks Shu Fengchun,Alexey Melnikov,Jamie McCallum,and Bo Xia for providing the Asia-Oceania VLBI(AOV)data and auxiliary telescope system temperature files.; High-resolution observations of high-redshift(z > 4) radio quasars offer a unique insight into jet kinematics at early cosmological epochs, as well as constraints on cosmological model parameters.Due to the general we...; 关键词：NUCLEI HIGH-REDSHIFT Radio continuum QUASARS INDIVIDUAL J1430+4204

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