THE RELATIONSHIP BETWEEN LOW-FREQUENCY OSCILLATIONS IN THE CHROMOSPHERE AND BACKGROUND MAGNETIC-FIELDS

被引：0
|
作者：
MERKULENKO, VE
POLYAKOV, VI
机构：
来源：
ASTRONOMY & ASTROPHYSICS | 1991年 / 246卷 / 02期
关键词：
CHROMOSPHERE; LOW-FREQUENCY OSCILLATIONS; BACKGROUND MAGNETIC FIELDS;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Based on results of two-day observations in the wings of the H-alpha-line it has been established that: (a) there exist in the chromosphere low-frequency oscillations, whose periods are close to those of the solar limb (Brown et al. 1978) as well as of coronal loops in soft X-rays (Harrison 1987). (b) The wavelength of these oscillations is 600-700 Mm and is comparable with the scale of background magnetic field in the direction parallel to the equator. (c) The amplitude of low-frequency oscillations is enhanced substantially at filament sites.
引用
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页码：587 / 596
页数：10
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