Diffuse galactic emission from spinning dust grains

被引：315
|
作者：
Draine, BT [1 ]
Lazarian, A [1 ]
机构：
[1] Princeton Univ Observ, Princeton, NJ 08544 USA
来源：
ASTROPHYSICAL JOURNAL | 1998年 / 494卷 / 01期
基金：
美国国家科学基金会;
关键词：
cosmic microwave background; dust; extinction; molecular processes; radiation mechanisms; thermal; radio continuum; ISM;
D O I：
10.1086/311167
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Spinning interstellar dust grains produce detectable rotational emission in the 10-100 GHz frequency range. We calculate the emission spectrum and show that this emission can account for the "anomalous" Galactic background component, which correlates with 100 mu m thermal emission from dust. Free-free emission cannot account for the anomalous component. Implications for cosmic background studies are discussed.
引用
收藏
页码：L19 / L22
页数：4
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