ISOPLANATISM AND HIGH-SPATIAL-RESOLUTION SOLAR IMAGING

被引：0
|
作者：
IRBAH, A
BORGNINO, J
LACLARE, F
MERLIN, G
机构：
[1] UNIV NICE SOPHIA ANTIPOLIS, FAC SCI, DEPT ASTROPHYS, F-06108 NICE 2, FRANCE
[2] OBSERV ALGER, CRAAG, ALGIERS, ALGERIA
[3] OBSERV COTE AZUR, CERGA, F-06130 GRASSE, FRANCE
来源：
ASTRONOMY & ASTROPHYSICS | 1993年 / 276卷 / 02期
关键词：
ATMOSPHERIC EFFECTS; METHODS; OBSERVATIONAL; TECHNIQUES; IMAGE PROCESSING; SUN; GENERAL; PHOTOSPHERE;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A method is presented allowing one to estimate, in the case of daytime observations, the angle-of-arrival isoplanatic patch size from the measurement of the differential image motion of the solar limb. The experimental results have been obtained using the solar astrolabe of Calern Observatory (CERGA-France). Performing a modelization as proposed by Fried (1977) leads to an explanation of these results by an equivalent atmosphere formed with two impulse turbulent layers corresponding to two different scales for the size of the isoplanatic patch. Finally, the isoplanatism is quantified for speckle interferometry and adaptive optics experiments.
引用
收藏
页码：663 / 672
页数：10
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