H3+ in diffuse interstellar gas

被引：33

作者：

Cecchi-Pestellini, C

Dalgarno, A

机构：

[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[2] Univ Florence, Dipartimento Astron & Sci Spazio, I-50125 Florence, Italy

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2000年 / 313卷 / 01期

关键词：

molecular processes; ISM : clouds; ISM : molecules;

D O I：

10.1046/j.1365-8711.2000.03320.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A model is constructed of the material in front of the star Cygnus OB2 no. 12 in which dense cores are embedded in diffuse clumps of gas. The model reproduces the measured abundances of H-3(+), C-2 and CO, and predicts a column density of 9 x 10(10) cm(-2) HCO+.

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页码：L6 / L8

页数：3

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