Optical emission band morphologies of the Red Rectangle

被引：17
|
作者：
Vijh, Uma P.
Witt, Adolf N.
York, Donald G.
Dwarkadas, Vikram V.
Woodgate, Bruce E.
Palunas, Povilas
机构：
[1] Univ Toledo, Ritter Astrophys Res Ctr, Toledo, OH 43606 USA
[2] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA
[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[4] Univ Texas, McDonald Observ, Austin, TX 78712 USA
来源：
ASTROPHYSICAL JOURNAL | 2006年 / 653卷 / 02期
基金：
美国国家科学基金会;
关键词：
dust; extinction; ISM : individual (Red Rectangle); ISM : molecules; radiation mechanisms : general; stars : individual (HD 44179);
D O I：
10.1086/509061
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present narrowband images of the Red Rectangle (RR) Nebula that reveal the distinct morphologies of this intriguing nebula in different optical emission bands. The morphology of the RR nebula in blue luminescence (BL) and extended red emission (ERE) are almost mutually exclusive. We also present the optical detection of the circumbinary disk of the RR in the light of the BL. The total intensities from the two optical band emissions (BL and ERE) when summed over the nebula are of comparable magnitude. Their spatial distributions with respect to the embedded illumination sources lead us to suggest that they may be attributed to different ionization stages of the same family of carriers.
引用
收藏
页码：1336 / 1341
页数：6
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