X-rays and Protoplanetary Disks

被引：0
|
作者：
Skinner, S. L. [1 ]
Guedel, M. [2 ]
Briggs, K. R. [2 ]
Audard, M. [3 ,4 ]
Lamzin, S. A. [5 ]
Sokal, K. R. [1 ]
机构：
[1] Univ Colorado, CASA, Boulder, CO 80309 USA
[2] ETH, Inst Astron, Zurich, Switzerland
[3] Univ Geneva, ISDC, Geneva, Switzerland
[4] Univ Geneva, Observ Geneva, Geneva, Switzerland
[5] Sternberg Astron Inst, Moscow, Russia
来源：
EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY | 2009年 / 1158卷
关键词：
stars:pre-main-sequence; x-rays:stars; YOUNG STELLAR OBJECTS; EMISSION; TAURI;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
X-ray luminosities of T Tauri stars (TTS) and Class I protostars are commonly elevated by a thousand-fold above that of the present-day Sun. They undergo frequent powerful x-ray flares which can reach temperatures of similar to 100 MK, exposing the disk to intense bursts of ionizing radiation and high-energy particles. We provide a brief overview of how x-rays can affect protoplanetary disks and summarize x-ray diagnostics that can be used to infer disk properties. Representative x-ray observations of accreting young stellar objects with XMM-Newton and Chandra are discussed.
引用
收藏
页码：157 / +
页数：2
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