Suppressing anisoplanatism effects in speckle interferometry

被引：3
|
作者：
Stelzer, C.
Ruder, H.
机构：
[1] Univ Tubingen, Inst Theoret Astrophys, D-72076 Tubingen, Germany
[2] Univ Tubingen, Inst Theoret Astrophys, D-72070 Tubingen, Germany
来源：
ASTRONOMY & ASTROPHYSICS | 2007年 / 475卷 / 02期
关键词：
techniques : image processing; atmospheric effects; techniques : interferometric; methods : data analysis;
D O I：
10.1051/0004-6361:20077989
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Aims. The effect of anisoplanatism in speckle interferometry is studied with emphasis on the autocorrelation function and Knox-Thompson data. Methods. We introduce a method for eliminating anisoplanatism artefacts by statistical analysis of Fourier amplitudes calculated from Knox-Thompson data. Results. With this method, it is possible to suppress anisoplanatism artefacts nearly completely.
引用
收藏
页码：771 / 774
页数：4
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