Photodestruction of relevant interstellar molecules in ice mixtures

被引：136

作者：

Cottin, H ^{[1
]}

Moore, MH

Bénilan, Y

机构：

[1] Univ Paris 07, Lab Interuniv Syst Atmpospher, Creteil, France

[2] Univ Paris 12, Lab Interuniv Syst Atmpospher, Creteil, France

[3] NASA, Goddard Space Flight Ctr, Astrochem Branch, Greenbelt, MD 20771 USA

来源：

ASTROPHYSICAL JOURNAL | 2003年 / 590卷 / 02期

关键词：

astrochemistry; ISM : molecules; methods : laboratory; molecular processes; ultraviolet : ISM;

D O I：

10.1086/375149

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

UV photodestruction of some interstellar molecules is studied in different kinds of ices. CH4, CH3OH, NH3, CO2, CO, and HNCO are photolyzed as pure ices, or mixed with water or molecular nitrogen, at about 10 K. The destruction cross sections of these molecules are estimated for use in photochemical models of interstellar ices. We show that the destruction rate depends on the ice in which the studied compound is embedded.

引用

页码：874 / 881

页数：8

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