Development of an automatic filament disappearance detection system

被引：53
|
作者：
Gao, JL [1 ]
Wang, HM
Zhou, MC
机构：
[1] New Jersey Inst Technol, Dept Elect & Comp Engn, Newark, NJ 07102 USA
[2] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA
来源：
SOLAR PHYSICS | 2002年 / 205卷 / 01期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
D O I：
10.1023/A:1013851808367
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This paper presents an efficient and automatic method for detecting filament disappearances. This method was applied to the Big Bear Solar Observatory's (BBSO) full-disk Ha images. The initial step is to detect the filaments in the solar image, then determine if they are growing, stable or disappearing. If a disappearing filament is found, the solar community can be automatically alerted in near real time. This system is proven to be accurate and fast. In addition, three statistical studies of the appearance and disappearance of all filaments in 1999 are presented.
引用
收藏
页码：93 / 103
页数：11
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