Removal of tracking error with image restoration

被引：6
|
作者：
Tang, ZH
Wang, SH
Jin, WJ
机构：
[1] Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
[2] Chinese Acad Sci, Natl Astron Observ, Beijing 100021, Peoples R China
[3] Chinese Acad Sci, United Lab Opt Astron, Beijing 100021, Peoples R China
来源：
ASTRONOMICAL JOURNAL | 2001年 / 121卷 / 02期
关键词：
astrometry; binaries : close; methods : data analysis; techniques : image processing;
D O I：
10.1086/318749
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, image restoration is presented as a way to remove the influence of tracking error in astrometric CCD images, based on the characteristics of spatially invariant tracking error within a CCD frame. The direct deconvolution method was used in the process of image restoration. The results of reduction using practical data show improved precision in the images of star centers, including those of closely spaced stars. In particular, close binaries can be separated easily after image restoration.
引用
收藏
页码：1199 / 1206
页数：8
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