RAPID CHANGES IN THE FINE-STRUCTURE OF A CORONAL BRIGHT POINT AND A SMALL CORONAL ACTIVE REGION

被引:104
作者
SHEELEY, NR [1 ]
GOLUB, L [1 ]
机构
[1] HARVARD UNIV,SMITHSONIAN CTR ASTROPHYS,CAMBRIDGE,MA 02138
关键词
D O I
10.1007/BF00155702
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A coronal 'bright point' is resolved into a pattern of emission which, at any given time, consists of 2 or 3 miniature loops (each ∼2500 km in diameter and ∼12 000 km long). During the half-day lifetime of the 'bright point' individual loops evolved on a time scale ∼6 min. A small 'ctive region' seemed to evolve in this way, but the occasional blurring together of several loops made it difficult to follow individual changes. © 1979 D. Reidel Publishing Co.
引用
收藏
页码:119 / 126
页数:8
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