Chromospheric oscillations in an equatorial coronal hole

被引：16
|
作者：
McIntosh, SW
Fleck, B
Tarbell, TD
机构：
[1] Univ Space Res Assoc, Cooperat Program Space Sci, Seabrook, MD 20706 USA
[2] NASA, Goddard Space Flight Ctr, Astron & Solar Phys Lab, Greenbelt, MD 20771 USA
[3] NASA, Goddard Space Flight Ctr, European Space Agcy, Res & Sci Support Dept, Greenbelt, MD 20771 USA
[4] Lockheed Martin, Solar & Astrophys Lab, Palo Alto, CA 94304 USA
来源：
ASTROPHYSICAL JOURNAL | 2004年 / 609卷 / 02期
基金：
美国国家航空航天局;
关键词：
Sun : atmospheric motions; Sun : chromosphere;
D O I：
10.1086/422748
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report phase-difference and travel-time analyses of propagating chromospheric oscillations in and around an equatorial coronal hole as observed by TRACE. Our results suggest a significant change in atmospheric conditions at the base of the chromosphere inside the coronal hole relative to its boundary and quiet-Sun regions.
引用
收藏
页码：L95 / L98
页数：4
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