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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
Source PublicationNEW ASTRONOMY
2013-01
Volume18Pages:50-54
DOI10.1016/j.newast.2012.05.008
Indexed BySCI
KeywordGamma-rays Observations - Bl Lacertae Objects Individual pg1553+113-diffuse Radiation
Abstract

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.

Funding ProjectNational Natural Science Foundation of China[11163006] ; Department of Education of Yunnan Province[2011Z002]
Funding OrganizationNational Natural Science Foundation of China[11163006] ; Department of Education of Yunnan Province[2011Z002]
Language英语
Subject Area天文学 ; 天体物理学 ; 高能天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
WOS IDWOS:000310104400009
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordLARGE-AREA TELESCOPE ; BL LACERTAE OBJECTS ; ENERGY GAMMA-RAYS ; EXTRAGALACTIC BACKGROUND LIGHT ; RADIATION-FIELDS ; OPTICAL DEPTH ; GEV EMISSION ; SPECTRA ; BLAZARS ; ABSORPTION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9415
Collection中国科学院天体结构与演化重点实验室
Corresponding AuthorYang, J. P.
Affiliation1.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
Recommended Citation
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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