NAOC Open IR
粘滞对黑洞吸积盘的截断的影响
牛强
2008
Source Publication天文学报
ISSN0001-5245
Volume000Issue:003Pages:243
Abstract采用吸积盘-冕模型研究了粘滞对黑洞X射线双星和低光度活动星系核(LLAGN)中吸积盘的截断以及黑洞X射线双星中高低态转变的影响.以前的分析表明,冕的结构对粘滞的大小非常敏感.因此详细计算了一系列粘滞系数情况下冕的结构.为了便于与观测比较,将数值计算结果进行解析拟合得到最大蒸发率和粘滞系数a的关系,M/MEDD≈1.08a3.35;截断半径和粘滞系数的关系,R/Rs≈36.11a-1.94.这些结果可以用来解释光谱态的高低态的转换和截断半径的变化.并将这些结果应用到几个黑洞X射线双星XTE J118+480,GX 339-4,以及活动星系核NGC 4636中.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/40588
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
牛强. 粘滞对黑洞吸积盘的截断的影响[J]. 天文学报,2008,000(003):243.
APA 牛强.(2008).粘滞对黑洞吸积盘的截断的影响.天文学报,000(003),243.
MLA 牛强."粘滞对黑洞吸积盘的截断的影响".天文学报 000.003(2008):243.
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