Dynamics of line-of-sight velocities and magnetic field in the solar photosphere during the formation of the large active region NOAA 10488

被引：0
作者：
V. M. Grigor’ev
L. V. Ermakova
A. I. Khlystova
机构：
[1] Russian Academy of Sciences,Institute for Solar
[2] Siberian Branch,Terrestrial Physics
来源：
Astronomy Letters | 2007年 / 33卷
关键词：
Sun; active regions; magnetic field; 99.60.-j; 96.60.Hv; 96.60.Q-;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Analysis of SOHO longitudinal magnetograms and Dopplergrams has revealed the appearance of a region of enhanced upflow of matter in the photosphere when the top of a loop-shaped magnetic flux tube forming a large active region passed through it. The maximum upflow velocity reached 2 km s−1, the maximum size exceeded 20 000 km, and the lifetime was about 2 h.
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页码：766 / 770
页数：4
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