What is the Parent of CH in the Coma of Comet C/1995 O1 (Hale-Bopp)?

被引：0
|
作者：
Anita L. Cochran
D. C. Boice
Edwin S. Barker
Celine Laffont
机构：
[1] The University of Texas,
[2] Southwest Research Institute,undefined
[3] The University of Texas,undefined
[4] Observatoire de Besançon,undefined
来源：
Earth, Moon, and Planets | 1997年 / 78卷
关键词：
Comets; chemistry; spectra;
D O I：
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学科分类号：
摘要：
The ratio of CH4/CO in comets is an important indicator of the region of their formation. However, it is difficult to measure the quantity of CH+. The Giotto Ion Mass Spectrometer experiment observed a quantity of CH+ which seemed inconsistent with the amount of CH+. Thus, it was proposed that a source of the CH+ was a distributed source in the dust. We tested this hypothesis by observing the CH emission strength in comet Hale-Bopp as a function of dustiness. We see no strong correlation between the dust and the gas. Thus, for Hale-Bopp,dust is unlikely to be a dominant source of CH.
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页码：85 / 91
页数：6
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