PMO OpenIR  > 期刊(老文献)
一组天鹅区B、A型星的MK光谱分类
黄长春
1987
Source Publication天文学报
ISSN0001-5245
Volume28Issue:2
Abstract本文在黑洞的球对称吸积假设下,用同步辐射机制导出活动星系核2 keV的X射线光度(l_x)和2500紫外光度(l_(op))之间的关系.当低吸积率时,得出l_x=Cl_(op),其中C=10~(-3.5);而当高吸积率时,由于X射线光子来自紧靠黑洞的高密度区,遭受热电子的多次康普顿散射而被黑洞拖曳.计算产生这种拖曳效应的区域与吸积率的关系,得出l_x∝l_(op)~(0.03)的非正比关系,解释了观测到随l_(op)的增加l_x趋于"饱和"的趋势.
Keyword光谱分类 光谱型 标准星 视向速度 光谱仪 星光谱 光度级 光谱图 谱线 物端棱镜
Subject Area天文和天体物理
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7637
Collection期刊(老文献)
Recommended Citation
GB/T 7714
黄长春. 一组天鹅区B、A型星的MK光谱分类[J]. 天文学报,1987,28(2).
APA 黄长春.(1987).一组天鹅区B、A型星的MK光谱分类.天文学报,28(2).
MLA 黄长春."一组天鹅区B、A型星的MK光谱分类".天文学报 28.2(1987).
Files in This Item:
File Name/Size DocType Version Access License
1987601一组天鹅区B、A型星的MK(786KB) 开放获取LicenseView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[黄长春]'s Articles
Baidu academic
Similar articles in Baidu academic
[黄长春]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[黄长春]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 1987601一组天鹅区B、A型星的MK光谱分类.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.