Hot haloes of planetary nebulae

被引：0
|
作者：
Tylenda, R [1 ]
机构：
[1] Nicholas Copernicus Astron Ctr, Dept Astrophys, PL-87100 Torun, Poland
来源：
PLANETARY NEBULAE: THEIR EVOLUTION AND ROLE IN THE UNIVERSE | 2003年 / 209期
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present model results of time-dependent ionization of a nebula with a halo. Fast transition of the ionization front across the halo causses its heating well above the equilibrium temperature. For a long time after this event the halo is observed as hotter than the main inner nebula, in agreement with observations of some planetary nebulae.
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页码：451 / 452
页数：2
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