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TESTING A NEW LUMINOSITY/REDSHIFT ESTIMATOR OF GRBs
Zhang, ZB1; Xie GZ(谢光中)2; Choi, Chul-Sung3
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS D
2008-09
Volume17
Issue9
Pages1391-1399
DOI10.1142/S0218271808012966
Contribution Rank第2完成单位
Indexed BySCI ; CPCI
Conference NameInternational Workshop on High Energy Phenomena in Relativistic Outflows
Conference Date2007-09-24
Conference PlaceDublin, IRELAND
KeywordGamma-ray Bursts Gamma-ray Observations Cosmology
Abstract

Using a generalized method, we have tested an estimator of luminosity/redshift proposed by Zhang et al. (2006a), in which relative spectral lag (RSL) is tightly related with luminosity and redshift, respectively. The derived luminosities from the new estimator are found to be comparable with the observed ones. For two different GRB samples, we have examined that there are no outliers violated the luminosity relation within 3 sigma confidence level. Several potential outliers for other luminosity relations are otherwise found to match the estimator well. These results suggest that the luminosity/redshift relation could be a potential tool for cosmological studies.

Funding OrganizationN/A
Language英语
Subject Area天文学 ; 天体物理学 ; 星系与宇宙学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle; Proceedings Paper
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Publication Place5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
ISSN0218-2718
URL查看原文
WOS IDWOS:000260803100012
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordGamma-ray Bursts ; Hubble Diagram ; Spectral Lags ; Dark Energy ; Peak-energy ; Evolution ; Energetics ; Redshifts ; Outliers
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7143
Collection星系研究组
Corresponding AuthorZhang, ZB
Affiliation1.International Center for Astrophysics, Korea Astronomy and Space Science Institute, 36-1 Hwaam, Yusong, Daejon 305-348, South Korea
2.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P. O. Box 110, Kunming, Yunnan 650011, P. R. China
3.International Center for Astrophysics, Korea Astronomy and Space Science Institute, 36-1 Hwaam, Yusong, Daejon 305-348, South Korea
Recommended Citation
GB/T 7714
Zhang, ZB,Xie GZ,Choi, Chul-Sung. TESTING A NEW LUMINOSITY/REDSHIFT ESTIMATOR OF GRBs[C]. 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE:WORLD SCIENTIFIC PUBL CO PTE LTD,2008:1391-1399.
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