DEBRIS DISKS

被引：0

作者：

Waelkens, Ch. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Inst Astron, B-3001 Louvain, Belgium

来源：

ASTRONOMY IN THE SUBMILLIMETER AND FAR INFRARED DOMAINS WITH THE HERSCHEL SPACE OBSERVATORY | 2009年 / 34卷

关键词：

MAIN-SEQUENCE STARS; SPITZER-SPACE-TELESCOPE; BETA-PICTORIS; VEGA PHENOMENON; NEARBY STARS; G-DWARFS; DUST; AGE; FOMALHAUT; PLANETS;

D O I：

10.1051/eas:0934015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Debris disks are faint disks surrounding main-sequence stars. Their occurrence at, ages beyond the typical dissipation time scales of YSO disks suggests that they are secondary in nature, being refurbished by the collisions of bodies of not-so-well known sizes, hence the importance of the subject for our understanding of the evolution of planetary systems. IRAS has discovered debris disks, ISO and now especially Spitzer have substantially refined our understanding of them. With Herschel we will have a unique opportunity to study debris disks in the wavelength range where their SEDs peak, and with the spatial resolution needed to unravel their structure and composition.

引用

页码：213 / 222

页数：10

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