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Issue:
dian zi dui dui cygx-1 neng pu de ying xiang
Author(s):
ZHANG Jialv
,
FANG Lizhi
Pages:
60
-
66
Year:
1978
Issue:
1
Journal:
Journal of University of Science and Technology of China
Keyword:
吸积盘
;
CygX-1
;
射线能
;
发射谱
;
候选者
;
一般性质
;
电子对产生
;
光深
;
光子能量
;
端一
;
Abstract:
<正> 一、引言CygX—1是目前人们最关心的天体之一,因为它是黑洞的一个主要候选者。利用黑洞吸积盘模型,可以说明CygX—1的X射线发射的一般性质。但是,按通常的冷盘模型,在解释它的硬X射线能谱时,遇到了一些困难。CygX—1的X射线发射谱有以下的特点:(1)有较强的硬X射线发射,谱的高能端一直延伸到300KeV左右,(2)当软X射线部分强度有明显变化时,硬X射线谱常
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