Redshifts of PG 1553+113 limited by Fermi and VHE observations

doi:10.1016/j.newast.2012.05.008

	Redshifts of PG 1553+113 limited by Fermi and VHE observations
	Yang, J. P.1,2; Yang, J. R.3,4; Wang, C. Y.1
发表期刊	NEW ASTRONOMY
	2013-01
卷号	18 页码:50-54
DOI	10.1016/j.newast.2012.05.008
收录类别	SCI
关键词	Gamma-rays Observations - Bl Lacertae Objects Individual pg1553+113-diffuse Radiation
摘要	The goal of this paper is to limit the redshift of PG 1553 + 113, through the investigation of Fermi-LAT and very high energy (VHE) gamma-ray observations. We assume that the intrinsic spectra of PG 1553 + 113 do not have cutoff across the Fermi-LAT and VHE gamma-ray energy ranges. The intrinsic spectra of VHE gamma-rays are obtained through the extrapolation of Fermi-LAT spectra. Comparing the intrinsic with measured VHE spectra absorbed by extragalactic background light (EBL), we estimate the redshift upper limits of this blazar assuming a specific EBL model. The redshift upper limits of PG1553 + 113 is 0.514 at the 95% confidence level. Crown Copyright (C) 2012 Published by Elsevier B.v. All rights reserved.
资助项目	National Natural Science Foundation of China[11163006] ; Department of Education of Yunnan Province[2011Z002]
项目资助者	National Natural Science Foundation of China[11163006] ; Department of Education of Yunnan Province[2011Z002]
语种	英语
学科领域	天文学 ; 天体物理学 ; 高能天体物理学
文章类型	Article
出版者	ELSEVIER SCIENCE BV
出版地	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN	1384-1076
URL	查看原文
WOS记录号	WOS:000310104400009
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	LARGE-AREA TELESCOPE ; BL LACERTAE OBJECTS ; ENERGY GAMMA-RAYS ; EXTRAGALACTIC BACKGROUND LIGHT ; RADIATION-FIELDS ; OPTICAL DEPTH ; GEV EMISSION ; SPECTRA ; BLAZARS ; ABSORPTION
引用统计
文献类型	期刊论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/9415
专题	中国科学院天体结构与演化重点实验室
通讯作者	Yang, J. P.
作者单位	1.Yunnan Agricultural University, Kunming 650201, China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China 3.Beijing Sport University, Beijing 100084, China 4.Chinese Academy of Social Sciences, Beijing 100732, China
推荐引用方式 GB/T 7714	Yang, J. P.,Yang, J. R.,Wang, C. Y.. Redshifts of PG 1553+113 limited by Fermi and VHE observations[J]. NEW ASTRONOMY,2013,18:50-54.
APA	Yang, J. P.,Yang, J. R.,&Wang, C. Y..(2013).Redshifts of PG 1553+113 limited by Fermi and VHE observations.NEW ASTRONOMY,18,50-54.
MLA	Yang, J. P.,et al."Redshifts of PG 1553+113 limited by Fermi and VHE observations".NEW ASTRONOMY 18(2013):50-54.

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