Observation of transition region fine structures with SOHO/SUMER

被引：2
|
作者：
Landi, E
Mason, HE
Landini, M
机构：
[1] Univ Florence, Dipartimento Astron & Sci Spazio, I-50124 Florence, Italy
[2] Univ Cambridge, DAMTP, Cambridge CB2 1TN, England
来源：
SPACE SCIENCE REVIEWS | 1999年 / 87卷 / 1-2期
关键词：
UV spectral emission lines; solar transition region;
D O I：
10.1023/A:1005160804176
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a preliminary analysis of two quiet Sun transition region areas observed with the SOHO/SUMER spectrometer, using lines from oxygen, nitrogen and silicon. The average quiet Sun physical parameters are studied as a function of line intensity. Systematic variations of line position and width with increasing intensity are found. A large number of small-scare active points have been observed, and preliminary analysis of the physical properties and dynamics of these active features is presented. A jet-like structure, found in an active point, is also investigated and its velocity along the line of sight determined.
引用
收藏
页码：241 / 244
页数：4
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