Other Kuiper Belts

被引：35

作者：

Jura, M ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

来源：

ASTROPHYSICAL JOURNAL | 2004年 / 603卷 / 02期

关键词：

circumstellar matter; comets : general;

D O I：

10.1086/381570

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

When a main sequence star evolves into a red giant and its Kuiper Belt objects (KBOs) reach a temperature of similar to170 K, the dust released during the rapid ice sublimation of these cometary bodies may lead to a detectable infrared excess at 25 mum, depending on the mass of the KBOs. Analysis of IRAS data for 66 first-ascent red giants with 200 L-. < L < 300 L-. within 150 pc of the Sun provides an upper limit to the mass in KBOs at 45 AU orbital radius that is usually less than similar to0.1 M-.. With improved infrared data, we may detect systems of KBOs around first-ascent red giants that are analogs to our solar system.

引用

页码：729 / 737

页数：9

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