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Radio afterglows and host galaxies of gamma-ray bursts
Li, Long-Biao1; Zhang, Zhi-Bin1,2; Huang, Yong-Feng3; Wu, Xue-Feng4; Kong, Si-Wei5; Li, Di6,7; Chang, Heon-Young8; Choi, Chul-Sung9
2015-08-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume451Issue:2Pages:1815-1823
AbstractConsidering the contribution of emission from the host galaxies of gamma-ray bursts (GRBs) to radio afterglows, we investigate the effect of host galaxies on observations statistically. For the three types of event, i.e. low-luminosity, standard and high-luminosity GRBs, it is found that a tight correlation exists between the ratio of the radio flux (RRF) of the host galaxy to the total radio peak emission and the observational frequency. Towards lower frequencies, in particular, the contribution from the host increases significantly. The correlation can be used to obtain a useful estimate for the radio brightness of those host galaxies that only have very limited radio afterglow data. Using this prediction, we reconsidered the theoretical radio afterglow light curves for four kinds of event: high-luminosity, low-luminosity, standard and failed GRBs, taking into account the contribution from host galaxies and aiming to explore the detectability of these events by the Five-hundred-metre Aperture Spherical radio Telescope (FAST). Lying at a typical redshift of z = 1, most of the events can be detected easily by FAST. For the less fierce low-luminosity GRBs, their radio afterglows are not strong enough to exceed the sensitivity limit of FAST at such distances. However, since a large number of low-luminosity bursts actually happen very near to us, it is expected that FAST will still be able to detect many of them.
KeywordGamma-ray Burst: General Methods: Data Analysis Methods: Numerical Methods: Statistical Radio Continuum: Ism
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnras/stv985
WOS KeywordBROAD-BAND AFTERGLOW ; LIGHT CURVES ; GRB AFTERGLOWS ; STAR-FORMATION ; HIGH-REDSHIFT ; GIANT FLARE ; MODEL ; DISCOVERY ; JET ; REBRIGHTENINGS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000360830000053
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/14876
Collection南极天文中心
Affiliation1.Guizhou Univ, Dept Phys, Coll Sci, Guiyang 550025, Peoples R China
2.Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89012 USA
3.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
4.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
6.Chinese Acad Sci, Nat Astron Observ China, Nanjing 210008, Jiangsu, Peoples R China
7.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
8.Kyungpook Natl Univ, Dept Astron & Atmospher Sci, Taegu 702701, South Korea
9.Korea Astron & Space Sci Inst, Daejon 305348, South Korea
Recommended Citation
GB/T 7714
Li, Long-Biao,Zhang, Zhi-Bin,Huang, Yong-Feng,et al. Radio afterglows and host galaxies of gamma-ray bursts[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2015,451(2):1815-1823.
APA Li, Long-Biao.,Zhang, Zhi-Bin.,Huang, Yong-Feng.,Wu, Xue-Feng.,Kong, Si-Wei.,...&Choi, Chul-Sung.(2015).Radio afterglows and host galaxies of gamma-ray bursts.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,451(2),1815-1823.
MLA Li, Long-Biao,et al."Radio afterglows and host galaxies of gamma-ray bursts".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 451.2(2015):1815-1823.
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