Study of the star-forming region L379 IRS3 in CH3OH and CS

被引：0

作者：

V. G. Promyslov

G. M. Larionov

S. V. Kalenskii

机构：

[1] Russian Academy of Sciences,Astro Space Center, Lebedev Institute of Physics

来源：

Astronomy Reports | 2003年 / 47卷

关键词：

Methanol; CH3OH; Molecular Cloud; Column Density; Kinetic Temperature;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A molecular cloud and high-velocity outflow associated with the star-forming region L379 IRS3 have been mapped in the 6−1-50E methanol and CS (3-2) lines using the 12-meter Kitt Peak telescope. The estimated CS column density and abundance in the molecular cloud are 8×1014 cm−2 and 4×10−9, respectively. LVG modeling of the methanol emission constrains the gas density in the cloud to (1–4)×105 cm−3 and the gas kinetic temperature to 20–45 K. The upper limit on the density of the high-velocity gas is 105 cm−3.

引用

页码：276 / 287

页数：11

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