6 $μ$ m特征作为星际碳质颗粒脂肪族组分的示踪剂
The 6 $μ$m Feature as A Tracer of Aliphatic Components of Interstellar Carbonaceous Grains
摘要：
一个不明红外发射（UIE）功能，在6.0 $μ$ m的一些天文源显示UIE波段检测。与先前的建议，这条带是由于C=O振动模式，我们建议，6.0 $μ$ m功能来自烯烃双键官能团。这些基团可能连接到芳环上，这是主要UIE带的原因。这些官能团的形成有关的氢化过程的可能性进行了讨论。
英文摘要：
An unidentified infrared emission (UIE) feature at 6.0 $μ$m is detected in a number of astronomical sources showing the UIE bands. In contrast to the previous suggestion that this band is due to C=O vibrational modes, we suggest that the 6.0 $μ$m feature arises from olefinic double-bond functional groups. These groups are likely to be attached to aromatic rings which are responsible for the major UIE bands. The possibility that the formation of these functional groups is related to the hydrogenation process is discussed.
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