PMO OpenIR  > 宇宙伽马暴、中子星及相关物理研究团组
The distances of cosmic gamma-ray bursts and their distribution
Wang, CF; Wei, DM
2004-04-01
Source PublicationCHINESE ASTRONOMY AND ASTROPHYSICS
ISSN0275-1062
Volume28Issue:2Pages:154-159
AbstractTaking the effect of the expansion of the universe, jet effect and the association of gamma-ray bursts with supernovae into consideration, we have studied the space distribution of gamma-ray bursts. Assuming a Gaussian distribution of the opening angle and that the rate of bursts is proportional to the rate of star formation, we find the best fitting parameters to be theta(0)=0.1, and sigma=0.04, implying that the opening angles are concentrated about 0.1 rad, in agreement with the current analyses on gamma-ray bursts with known redshifts. The maximum redshift calculated from < V/V-max > is 4.2, and the energy of gamma-ray burst is 1.5 x 10(51) ergs.
KeywordGalaxies : Jets Gamma Rays : Bursts
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.chinastron.2004.04.005
WOS KeywordTIME DILATION ; AFTERGLOW ; ENERGY ; JETS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000222026000004
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7751
Collection宇宙伽马暴、中子星及相关物理研究团组
AffiliationChinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Wang, CF,Wei, DM. The distances of cosmic gamma-ray bursts and their distribution[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2004,28(2):154-159.
APA Wang, CF,&Wei, DM.(2004).The distances of cosmic gamma-ray bursts and their distribution.CHINESE ASTRONOMY AND ASTROPHYSICS,28(2),154-159.
MLA Wang, CF,et al."The distances of cosmic gamma-ray bursts and their distribution".CHINESE ASTRONOMY AND ASTROPHYSICS 28.2(2004):154-159.
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