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Constraining extragalactic background light from TeV blazars
Yang JP(杨建平)1,2,3; Wang JC(王建成)1,2; Yang, J (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTRONOMY & ASTROPHYSICS
2010-11
卷号522
DOI10.1051/0004-6361/201014724
产权排序第1完成单位
收录类别SCI ; EI
关键词Gamma Rays: Galaxies Bl Lacertae Objects: General Diffuse Radiation
摘要Aims. Our goal is to research the upper limits to the extragalactic background light (EBL). Methods. The upper limits to the extragalactic background light (EBL) are presented, using the Fermi and very high energy (VHE) spectra recently observed in TeV blazars. We use an assumption that the VHE intrinsic photon index cannot be harder than the Fermi index measured by the Fermi-LAT. Results. These upper limits are compatible with ones given by most EBL models; however, the models of high EBL density are contradicted by TeV blazars.
项目资助者National Natural Science Foundation of China [10673028, 10778702] ; National Basic Research Program of China (973 Program) [2009CB824800] ; Chinese Academy of Sciences [KJCX2-YW-T24]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
URL查看原文
归档日期2010-11-10
WOS记录号WOS:000284153100018
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ENERGY GAMMA-RAYS ; BL LACERTAE OBJECTS ; ACTIVE GALACTIC NUCLEI ; MAGIC TELESCOPE ; PG 1553+113 ; VERITAS OBSERVATIONS ; FERMI OBSERVATIONS ; HESS OBSERVATIONS ; GALAXY COUNTS ; UPPER LIMITS
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/4992
专题高能天体物理研究组
中国科学院天体结构与演化重点实验室
通讯作者Yang, J (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories, Yunnan Observatory, Chinese Academy of Sciences Kunming 650011 PR China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, PR China
3.Yunnan Agricultural University, Kunming 650201, PR China
第一作者单位中国科学院云南天文台
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Yang JP,Wang JC,Yang, J . Constraining extragalactic background light from TeV blazars[J]. ASTRONOMY & ASTROPHYSICS,2010,522.
APA Yang JP,Wang JC,&Yang, J .(2010).Constraining extragalactic background light from TeV blazars.ASTRONOMY & ASTROPHYSICS,522.
MLA Yang JP,et al."Constraining extragalactic background light from TeV blazars".ASTRONOMY & ASTROPHYSICS 522(2010).
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