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similarityofjetradiationbetweenflatspectrumradioquasarsandgevnarrowlineseyfert1galaxiesauniversallccorrelation
Zhu Yongkai1; Zhang Jin2; Zhang Haiming1; Liang Enwei1; Yan Dahai3; Cui Wei4; Zhang Shuangnan2
2016
Source Publicationresearchinastronomyandastrophysics
ISSN1674-4527
Volume16Issue:11Pages:170_01
AbstractBy modeling the broadband spectral energy distributions (SEDs) of a typical flat spectrum radio quasar (FSRQ, 3C 279) and two GeV narrow-line Seyfert 1 galaxies (NLS1s,PMN J0948+0022 and 1H 0323+342) in different flux stages with one-zone leptonic models, we find a universal correlation between their Doppler factors (δ) and peak luminosities (L_c) of external Compton scattering bumps. Compiling a combined sample of FSRQs and GeV NLSls, it is found that both FSRQs and GeV NLSls in different stages and in different sources follow the same δ-L_c correlation well. This indicates that the variations of observed luminosities may be essentially due to the Doppler boosting effect. The universal δ-L_c relation between FSRQs and GeV NLSls in different stages may be further evidence that the particle acceleration and radiation mechanisms for the two kinds of sources are similar. In addition, by replacing L_c with the observed luminosity in the Fermi/LAT band (L_(LAT)),this correlation holds and it may serve as an empirical indicator of δ. We estimate the δ values with L_(LAT) for 484 FSRQs in the Fermi/LAT Catalog and they range from 3 to 41,with a median of 16,which are statistically consistent with the values derived by other methods.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/39122
Collection中国科学院国家天文台
Affiliation1.广西大学
2.中国科学院国家天文台
3.中国科学院高能物理研究所
4.普渡大学
Recommended Citation
GB/T 7714
Zhu Yongkai,Zhang Jin,Zhang Haiming,et al. similarityofjetradiationbetweenflatspectrumradioquasarsandgevnarrowlineseyfert1galaxiesauniversallccorrelation[J]. researchinastronomyandastrophysics,2016,16(11):170_01.
APA Zhu Yongkai.,Zhang Jin.,Zhang Haiming.,Liang Enwei.,Yan Dahai.,...&Zhang Shuangnan.(2016).similarityofjetradiationbetweenflatspectrumradioquasarsandgevnarrowlineseyfert1galaxiesauniversallccorrelation.researchinastronomyandastrophysics,16(11),170_01.
MLA Zhu Yongkai,et al."similarityofjetradiationbetweenflatspectrumradioquasarsandgevnarrowlineseyfert1galaxiesauniversallccorrelation".researchinastronomyandastrophysics 16.11(2016):170_01.
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