IHEP OpenIR  > 粒子天体物理中心
The accretion rates and spectral energy distributions of BL Lacertae objects
Wang JM(王建民); Wang, JM; Staubert, R; Ho, LC
2002
发表期刊ASTROPHYSICAL JOURNAL
卷号579期号:2页码:554-559
通讯作者Univ Tubingen, Inst Astron & Astrophys, Abt Astron, D-72076 Tubingen, Germany ; Chinese Acad Sci, Inst High Energy Phys, High Energy Astrophys Lab, Beijing 100039, Peoples R China ; Observ Carnegie Inst Washington, Pasadena, CA 91101 USA
摘要We investigate the relationship between accretion rates and the spectral energy distributions (SEDs) of BL Lac objects using a sample of objects for which published information on the host galaxies, emission-line luminosities, and peak frequencies and luminosities of their SEDs are available. The sample is composed of 43 BL Lac objects that have a relatively continuous distribution of peak frequencies. Under the assumption that the observed emission lines are photoionized by the central accretion disk, we use the line luminosities to estimate the accretion luminosities and hence accretion rates. We find that low-frequency peaked BL Lac objects (LBLs) span a wide range of accretion rates, whereas high-frequency peaked BL Lac objects (HBLs) cover a more restricted range of lower values. There appears to be a continuous distribution of accretion rates between the two subclasses of BL Lac objects. We find that the peak frequency of the SED, nu(pk), correlates with the accretion rate, approximately with the form nu(pk) proportional to Lambda(-3) in HBLs and nu(pk) proportional to Lambda(-0.25) in LBLs, where Lambdaequivalent toL(lines)/c(2). The peak luminosity of the SED is also correlated with. These results suggest that the accretion rate influences the shape of the SED in BL Lac objects. They also support models that couple the jet and the accretion disk. We present a physical scenario to account for the empirical trends.
文章类型Article
关键词accretion, accretion disks black hole physics BL Lacertae objects : general galaxies : active galaxies : jets galaxies : nuclei
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
DOI10.1086/342875
URL查看原文
语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000179062700007
引用统计
被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237925
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Wang JM,Wang, JM,Staubert, R,et al. The accretion rates and spectral energy distributions of BL Lacertae objects[J]. ASTROPHYSICAL JOURNAL,2002,579(2):554-559.
APA 王建民,Wang, JM,Staubert, R,&Ho, LC.(2002).The accretion rates and spectral energy distributions of BL Lacertae objects.ASTROPHYSICAL JOURNAL,579(2),554-559.
MLA 王建民,et al."The accretion rates and spectral energy distributions of BL Lacertae objects".ASTROPHYSICAL JOURNAL 579.2(2002):554-559.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
4627.pdf(126KB) 开放获取CC BY-NC-SA浏览 请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[王建民]的文章
[Wang, JM]的文章
[Staubert, R]的文章
百度学术
百度学术中相似的文章
[王建民]的文章
[Wang, JM]的文章
[Staubert, R]的文章
必应学术
必应学术中相似的文章
[王建民]的文章
[Wang, JM]的文章
[Staubert, R]的文章
相关权益政策
暂无数据
收藏/分享
文件名: 4627.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。