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GRB X-Ray Flare Properties among Different GRB Subclasses
Liu CX(刘传玺)1,2,3; Mao JR(毛基荣)1,2,4
Source PublicationASTROPHYSICAL JOURNAL
2019-10-10
Volume884Issue:1Pages:20
DOI10.3847/1538-4357/ab3e75
Contribution Rank第1完成单位
Indexed BySCI
Keywordgamma rays: general radiation mechanisms: non-thermal
Abstract

Gamma-ray bursts (GRBs) can be divided into three subclasses: X-ray flash (XRF), X-ray rich (XRR), and classical GRB (C-GRB). An X-ray flare is the rebrightening emission shown in the early X-ray afterglow of some GRBs. In this paper, we comprehensively examine the X-ray flare properties among XRF, XRR, and C-GRB subclasses. We utilize the XRF, XRR, and C-GRB subclass samples obtained from the Swift-BAT3 catalog, and the X-ray flare observational properties are collected from Falcone et al., Chincarini et al., and Yi et al. We find that XRFs and XRRs have more bright X-ray flares than C-GRBs. The ratio of the X-ray flare fluence to the prompt emission fluence has different distributions between XRF and C-GRB subclasses. The linear correlation between the duration and the peak time of the X-ray flares is also different between XRF and C-GRB subclasses. We are inclined to identify the GRBs with the bright X-ray flares as XRFs or XRRs. We discuss some issues that are related to the XRF/XRR/C-GRB classification. We also caution the selection effects and the instrument bias in our investigation. Large samples are required in the future to further confirm our results.

Funding ProjectNational Natural Science Foundation of China[11673062] ; Hundred Talent Program of the Chinese Academy of Sciences ; Oversea Talent Program of Yunnan Province
Funding OrganizationNational Natural Science Foundation of China[11673062] ; Hundred Talent Program of the Chinese Academy of Sciences ; Oversea Talent Program of Yunnan Province
Language英语
Subject Area天文学 ; 天体物理学 ; 高能天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS IDWOS:000501620100004
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS Keyword1ST SURVEY ; BURST ; AFTERGLOW ; FLASHES ; ENGINE ; ENERGY ; SWIFT ; TELESCOPE ; LIGHT ; MODEL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/21433
Collection丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
Corresponding AuthorLiu CX(刘传玺)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, 650011 Kunming, Yunnan Province, People's Republic of China
2.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, 100012 Beijing, People's Republic of China
3.University of Chinese Academy of Sciences, 100049 Beijing, People's Republic of China
4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy Of Sciences, 650011 Kunming, People's Republic of China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu CX,Mao JR. GRB X-Ray Flare Properties among Different GRB Subclasses[J]. ASTROPHYSICAL JOURNAL,2019,884(1):20.
APA Liu CX,&Mao JR.(2019).GRB X-Ray Flare Properties among Different GRB Subclasses.ASTROPHYSICAL JOURNAL,884(1),20.
MLA Liu CX,et al."GRB X-Ray Flare Properties among Different GRB Subclasses".ASTROPHYSICAL JOURNAL 884.1(2019):20.
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