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Fermi-LAT Detection of a Transient gamma-Ray Source in the Direction of a Distant Blazar B3 1428+422 at z=4.72
Liao, Neng-Hui1; Li, Shang1,2; Fan, Yi-Zhong1
2018-10-01
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume865Issue:2Pages:6
Abstract

We report the detection of a transient gamma-ray source in the direction of B3 1428+422 ( z = 4.72) by analyzing the 110-month Fermi-LAT. Pass 8 data. The new transient gamma-ray source is far away from the Galactic plane and has a rather soft spectrum, in agreement with being a high redshift blazar. We suggest that the newly discovered transient is the gamma-ray counterpart of B3 1428+422, which could be the most distant GeV source detected so far. The detection of a group of such distant gamma-ray blazars will be helpful in reconstructing the evolution of the luminosity function and studying the extragalactic background light at such high redshifts.

Keywordgalaxies: active galaxies: high-redshift galaxies: jets gamma-rays: galaxies quasars: individual (B3 1428+422)
DOI10.3847/2041-8213/aae20d
WOS KeywordALL-SKY SURVEY ; ACTIVE GALACTIC NUCLEI ; GRB 080916C ; RADIO ; LUMINOSITY ; REDSHIFT ; FLARE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000445926800001
PublisherIOP PUBLISHING LTD
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/21180
Collection中国科学院紫金山天文台
Corresponding AuthorLiao, Neng-Hui
Affiliation1.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210034, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Yuquan Rd 19, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liao, Neng-Hui,Li, Shang,Fan, Yi-Zhong. Fermi-LAT Detection of a Transient gamma-Ray Source in the Direction of a Distant Blazar B3 1428+422 at z=4.72[J]. ASTROPHYSICAL JOURNAL LETTERS,2018,865(2):6.
APA Liao, Neng-Hui,Li, Shang,&Fan, Yi-Zhong.(2018).Fermi-LAT Detection of a Transient gamma-Ray Source in the Direction of a Distant Blazar B3 1428+422 at z=4.72.ASTROPHYSICAL JOURNAL LETTERS,865(2),6.
MLA Liao, Neng-Hui,et al."Fermi-LAT Detection of a Transient gamma-Ray Source in the Direction of a Distant Blazar B3 1428+422 at z=4.72".ASTROPHYSICAL JOURNAL LETTERS 865.2(2018):6.
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