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The optical-X-ray-gamma-ray spectral energy distributions of Gev gamma-ray loud blazars and connection among LBLs, HBLs and FSRQs
Xie GZ(谢光中)1,2; Ding SX(丁世学)1,3; Dai H(戴宏)1,2; Liang EW(梁恩维)1,4; Liu HT(刘洪涛)1,5; Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS D
2003-05
卷号12期号:5页码:781-789
DOI10.1142/S0218271803003451
产权排序第1完成单位
收录类别SCI
关键词Active Galactic Nuclei Blazars Spectral Energy Distributions
摘要In this paper, we introduce a new composite spectral indices alpha(gammaxgamma) = alpha(xgamma) - alpha(gamma), and prove alpha(gammaxgamma)(ob) = alpha(xgamma)(ob) - alpha(gamma) = alpha(gammaxgamma)(in), that means alpha(gammaxgamma) is intrinsic. We plot a alpha(xox) - alpha(gammaxgamma) diagram for 25 Gev gamma-ray blazars for which alpha(x) and alpha(gamma) have been provided in the literature, where alpha(xox) = alpha(ox) - alpha(x) which was introduced by Sambruna et al. (1996) and proved that it is intrinsic by our previous paper (Xie et al. 2001). Using this new composite color-color (alpha(xox) - alpha(gammaxgamma)) diagram, we investigated the nature of the HBLsLBLs relationship, and the BL Lacs-FSRQs relationship, in high-energy emission. The results show that the spectral energy distributions of three subclasses of Gev gamma-ray loud blazars axe different, but essentially continuous: HBLs and FSRQs occupy separated regions while LBLs bridge the gap between HBLs and FSRQs. The results are consistent with that derived from a low energy color-color(alpha(xox) - alpha(oro)) diagram by Sambruna et al. (1996) and Xie et al. (2001). However, on the alpha(ox) - alpha(xgamma) diagram, FSRQs, LBLs and HBLs occupy same region. Because both alpha(gammaxgamma) and alpha(xox) are intrinsic, thus, the new connection among HBLs, LBLs and FSRQs obtained by us is intrinsic.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0218-2718
URL查看原文
归档日期2003-08-06
WOS记录号WOS:000183826000002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BL-LACERTAE OBJECTS ; RADIO ; CATALOG ; SCHEME
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6960
专题星系研究组
通讯作者Xie, GZ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories, Yunnan Observatory, The Chinese Academy of Sciences, Kunming 650011, China
2.Yunnan Astrophysics Center, Yunan University, Kunming 650091, China
3.Physics Department, Xiangfan University, Xiangfan 441053, China
4.Physics Department, Guangxi University, Nanning 530004, China
5.The Graduate School of the Chinese Academy of Sciences, Beijing, China
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Xie GZ,Ding SX,Dai H,et al. The optical-X-ray-gamma-ray spectral energy distributions of Gev gamma-ray loud blazars and connection among LBLs, HBLs and FSRQs[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS D,2003,12(5):781-789.
APA Xie GZ,Ding SX,Dai H,Liang EW,Liu HT,&Xie, GZ .(2003).The optical-X-ray-gamma-ray spectral energy distributions of Gev gamma-ray loud blazars and connection among LBLs, HBLs and FSRQs.INTERNATIONAL JOURNAL OF MODERN PHYSICS D,12(5),781-789.
MLA Xie GZ,et al."The optical-X-ray-gamma-ray spectral energy distributions of Gev gamma-ray loud blazars and connection among LBLs, HBLs and FSRQs".INTERNATIONAL JOURNAL OF MODERN PHYSICS D 12.5(2003):781-789.
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