Abstract—

We report observations of molecular line emission toward dense clumps of the WB 673 interstellar filament: WB 668, WB 673, S233–IR, and G173.57+2.43. The observations were done with the 20-m telescope at the Onsala Space Observatory (Sweden). Maps of emission, column densities, and relative abundances of CO, N₂H\(^{ + }\), CS, HCN, and HNC molecules are presented. It was found that the molecular abundances decrease toward the peaks of molecular hydrogen column densities in the clumps.

中文翻译：

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WB 673星际细丝分子发射谱线的研究

摘要-

我们报告了对WB 673星际细丝密集束的分子线发射的观察结果：WB 668，WB 673，S233–IR和G173.57 + 2.43。观测是在Onsala太空天文台（瑞典）用20米望远镜完成的。给出了CO，N ₂ H \（^ {+} \），CS，HCN和HNC分子的发射图，柱密度和相对丰度。发现在团块中，分子丰度朝着分子氢柱密度的峰值降低。