An analysis of spectra in the Red Rectangle nebula

被引：0
|
作者：
Frédéric Zagury
机构：
[1] Institut Louis de Broglie,
来源：
Journal of Astrophysics and Astronomy | 2005年 / 26卷
关键词：
Atmospheric effects; planetary nebulae: general; planetary nebulae: individual (HD 44179);
D O I：
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中图分类号：
学科分类号：
摘要：
This paper presents an analysis of a series of spectra in the Red Rectangle nebula. Only the reddest part of the spectra can safely be attributed to light from the nebula, and indicates Rayleigh scattering by the gas, in conformity with the large angles of scattering involved and the proximity of the star. In the blue, light from HD 44179, refracted or scattered in the atmosphere, dominates the spectra. This paper questions the reliability of ground-based broad-band spectra of extended objects in the blue.
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页码：395 / 420
页数：25
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