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The energy function and cosmic formation rate of fast radio bursts
Deng, Can-Min1,2; Wei, Jun-Jie1; Wu, Xue-Feng1,2
2019-08-01
Source PublicationJOURNAL OF HIGH ENERGY ASTROPHYSICS
ISSN2214-4048
Volume23Pages:1-5
Corresponding AuthorDeng, Can-Min(dengcm@pmo.ac.cn) ; Wei, Jun-Jie(jjwei@pmo.ac.cn) ; Wu, Xue-Feng(xfwu@pmo.ac.cn)
AbstractFast radio bursts (FRBs) are intense radio transients whose physical origin remains unknown. Therefore, it is of crucial importance to use a model-independent method to obtain the energy function and cosmic formation rate directly from the observational data. Based on current samples from the Parkes and ASKAP telecsopes, we determine, for the first time, the energy function and formation rate of FRBs by using the Lynden-Bell C- method. The energy function derived from the Parkes sample is a broken power law, however it is a simple power law for the ASKAP sample. For Parkes sample, we derive the formation rate which is roughly consistent with the star formation rate up to z similar to 1.7, with a local formation rate of (rho) over dot (0) similar or equal to (3.2 +/- 0.3) x 10(4) Gpc(-3)yr(-1) above a detection threshold of 2 Jyms. For ASKAP sample, we find that the formation rate evolves much faster than the star formation rate up to z similar to 0.7, namely (rho) over dot (z) alpha(1+z)(6.9 +/- 1.9), with a local formation rate of (rho) over dot (0) similar or equal to (4.6 +/- 0.8) x 10(3) Gpc(-3)yr(-1) above a detection threshold of 51 Jyms. This might be a important clue for the physical origin of FRBs. (C) 2019 Elsevier B.V. All rights reserved.
KeywordFast radio bursts: formation rate, energy, stars
DOI10.1016/j.jheap.2019.05.001
WOS KeywordREIONIZATION HISTORY ; ENVIRONMENT ; REDSHIFT ; MODEL
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000495071100001
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/36563
Collection中国科学院紫金山天文台
Corresponding AuthorDeng, Can-Min; Wei, Jun-Jie; Wu, Xue-Feng
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Deng, Can-Min,Wei, Jun-Jie,Wu, Xue-Feng. The energy function and cosmic formation rate of fast radio bursts[J]. JOURNAL OF HIGH ENERGY ASTROPHYSICS,2019,23:1-5.
APA Deng, Can-Min,Wei, Jun-Jie,&Wu, Xue-Feng.(2019).The energy function and cosmic formation rate of fast radio bursts.JOURNAL OF HIGH ENERGY ASTROPHYSICS,23,1-5.
MLA Deng, Can-Min,et al."The energy function and cosmic formation rate of fast radio bursts".JOURNAL OF HIGH ENERGY ASTROPHYSICS 23(2019):1-5.
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