The source of the solar oscillations: Convective or magnetic?

被引：12
|
作者：
Moretti, PF
Cacciani, A
Hanslmeier, A
Messerotti, M
Oliviero, M
Otruba, W
Severino, G
Warmuth, A
机构：
[1] Osserv Astron Capodimonte, I-80131 Naples, Italy
[2] Univ Rome, Dept Phys, I-00185 Rome, Italy
[3] Graz Univ, Inst Geophys Astrophys & Meteorol, A-8010 Graz, Austria
[4] Osserv Astron Trieste, I-34131 Trieste, Italy
[5] Kanzelkohe Solar Observ, A-9521 Treffen, Austria
来源：
ASTRONOMY & ASTROPHYSICS | 2001年 / 372卷 / 03期
基金：
美国国家科学基金会;
关键词：
sun : oscillations; flares; chromosphere;
D O I：
10.1051/0004-6361:20010588
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The origin of solar oscillations has not yet been clearly determined. The downflows due to convective rapid cooling at the surface have been invoked as a possible source. In this paper we investigate the properties of the source as inferred from the local analysis of the intensity-velocity phase differences. The same spatial and temporal characteristics of other observed events and their correlation with the H alpha bright points suggests downward plasma jets related to explosive chromospheric evaporation to be another possible candidate.
引用
收藏
页码：1038 / 1047
页数：10
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