Spectral Variation of NLS1 Galaxy PMN J0948+0022
Sun, X. N.1,2; Zhang, Jin2,3; Lu, Y.2; Liang, E. W.1,2,3; Zhang, S. N.2,4; Sun, XN (reprint author), Guangxi Univ, Dept Phys, Nanning 530004, Peoples R China.
发表期刊JOURNAL OF ASTROPHYSICS AND ASTRONOMY
2014-09
卷号35期号:3页码:457-461
DOI10.1007/s12036-014-9252-6
收录类别SCI
关键词Galaxies: Active Galaxies: Individual: Pmn j0948+0022 Galaxies: Seyfert Galaxies: Jets Gamma-rays Theory
摘要Four well-sampled Spectral Energy Distributions (SEDs) of PMN J0948 + 0022 are fitted with the syn + SSC + EC model to derive the physical parameters of its jets and to investigate the spectral variations of its SEDs. A tentative correlation between the peak luminosity (L-c) and peak frequency (nu(c)) of its inverse Compton (IC) bump is found in both the observer and co-moving frames, indicating that the variations of luminosity are accompanied by the spectral shift. A correlation between L-c and delta is found, and thus the magnification of external photon field by the bulk motion of the radiation regions is an essential reason for the spectral variation since, IC bump of PMN J0948 + 0022 is dominated by the EC process.
项目资助者National Basic Research Programme (973 Programme) of China(2014CB845800) ; National Natural Science Foundation of China(11078008,11025313,111373036,11133002) ; Strategic Priority Research Program "the Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09000000) ; Guangxi Science Foundation(2013GXNSFFA019001) ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences ; Qianren start-up grant(292012312D1117210)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0250-6335
URL查看原文
WOS记录号WOS:000350481700058
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]RADIO-LOUD ; LINE ; RADIATION ; BLAZARS ; JETS
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9446
专题中国科学院天体结构与演化重点实验室
通讯作者Sun, XN (reprint author), Guangxi Univ, Dept Phys, Nanning 530004, Peoples R China.
作者单位1.Department of Physics and GXU-NAOC Centre for Astrophysics and Space Sciences, Guangxi University, Nanning, 530004, China
2.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, 650011, China
4.Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
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Sun, X. N.,Zhang, Jin,Lu, Y.,et al. Spectral Variation of NLS1 Galaxy PMN J0948+0022[J]. JOURNAL OF ASTROPHYSICS AND ASTRONOMY,2014,35(3):457-461.
APA Sun, X. N.,Zhang, Jin,Lu, Y.,Liang, E. W.,Zhang, S. N.,&Sun, XN .(2014).Spectral Variation of NLS1 Galaxy PMN J0948+0022.JOURNAL OF ASTROPHYSICS AND ASTRONOMY,35(3),457-461.
MLA Sun, X. N.,et al."Spectral Variation of NLS1 Galaxy PMN J0948+0022".JOURNAL OF ASTROPHYSICS AND ASTRONOMY 35.3(2014):457-461.
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