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DISTRIBUTIONS OF GAMMA-RAY BURSTS AND BLAZARS IN THE L-p-E-p-PLANE AND POSSIBLE IMPLICATIONS FOR THEIR RADIATION PHYSICS
Lyu, Fen1,2,3,4; Liang, En-Wei1,2,4,5; Liang, Yun-Feng1,2; Wu, Xue-Feng3; Zhang, Jin5; Sun, Xiao-Na1,2; Lu, Rui-Jing1,2; Zhang, Bing1,2,6
2014-09-20
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume793Issue:1Pages:0
AbstractWe present a spectral analysis for a sample of redshift-known gamma-ray bursts (GRBs) observed with Fermi/GBM. Together with the results derived from our systematical spectral energy distribution modeling with the leptonic models for a Fermi/LAT blazar sample, we compare the distributions of the GRBs and the blazars by plotting the synchrotron peak luminosity (L-s) and the corresponding peak photon energy E-s of blazars in the L-p-E-p-plane of GRBs, where L-p and E-p are the peak luminosity and peak photon energy of the GRB time-integrated nu f(nu) spectrum, respectively. The GRBs are in the high-L-p, high-E-p corner of the plane and a tight L-p-E-p relation is found, i.e., L-p alpha E-p(2.13-0.46) (+0.54). Both flat spectrum radio quasars (FSRQs) and low-synchrotron peaking BL Lac objects (LBLs) are clustered in the low-Ep, low-Lp corner. Intermediate-and high-synchrotron peaking BL Lac objects (IBLs and HBLs) have E-s similar to 2 x 10(-3)-10(2) keV and L-s similar to 10(44)-10(47) erg s(-1), but no dependence of L-s on E-s is found. We show that the tight L-p-E-p relation of GRBs is potentially explained with the synchrotron radiation of fast-cooling electrons in a highly magnetized ejecta, and the weak anti-correlation of L-s-E-s for FSRQs and LBLs may be attributed to synchrotron radiation of slow-cooling electrons in a moderately magnetized ejecta. The distributions of IBLs and HBLs in the L-p-E-p-plane may be interpreted with synchrotron radiation of fast-cooling electrons in a matter-dominated ejecta. These results may present a unified picture for the radiation physics of relativistic jets in GRBs and blazars within the framework of the leptonic synchrotron radiation models.
KeywordBl Lacertae Objects: General Galaxies: Jets Gamma-ray Burst: General Methods: Statistical Quasars: General
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/793/1/36
WOS KeywordACTIVE GALACTIC NUCLEI ; BL-LAC OBJECTS ; PROMPT EMISSION ; FERMI OBSERVATIONS ; LIGHT CURVES ; PEAK ENERGY ; GRB 080916C ; COMPREHENSIVE ANALYSIS ; SYNCHROTRON-RADIATION ; SPECTRAL COMPONENT
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Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000341301700036
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10602
Collection南极天文中心
Affiliation1.Guangxi Univ, Dept Phys, Nanning 530004, Peoples R China
2.Guangxi Univ, GXU NAOC Ctr Astrophys & Space Sci, Nanning 530004, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
4.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kuming 650011, Peoples R China
5.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
6.Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA
Recommended Citation
GB/T 7714
Lyu, Fen,Liang, En-Wei,Liang, Yun-Feng,et al. DISTRIBUTIONS OF GAMMA-RAY BURSTS AND BLAZARS IN THE L-p-E-p-PLANE AND POSSIBLE IMPLICATIONS FOR THEIR RADIATION PHYSICS[J]. ASTROPHYSICAL JOURNAL,2014,793(1):0.
APA Lyu, Fen.,Liang, En-Wei.,Liang, Yun-Feng.,Wu, Xue-Feng.,Zhang, Jin.,...&Zhang, Bing.(2014).DISTRIBUTIONS OF GAMMA-RAY BURSTS AND BLAZARS IN THE L-p-E-p-PLANE AND POSSIBLE IMPLICATIONS FOR THEIR RADIATION PHYSICS.ASTROPHYSICAL JOURNAL,793(1),0.
MLA Lyu, Fen,et al."DISTRIBUTIONS OF GAMMA-RAY BURSTS AND BLAZARS IN THE L-p-E-p-PLANE AND POSSIBLE IMPLICATIONS FOR THEIR RADIATION PHYSICS".ASTROPHYSICAL JOURNAL 793.1(2014):0.
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