MODELING OF A SPACE-BASED RONCHI RULING EXPERIMENT FOR HIGH-PRECISION ASTROMETRY

被引：4
|
作者：
SHAKLAN, S
PRAVDO, S
GATEWOOD, G
FTACLAS, C
机构：
[1] ALLEGHENY OBSERV,PITTSBURGH,PA
[2] HUGHES DANBURY OPT SYST INC,DANBURY,CT
来源：
ASTROPHYSICS AND SPACE SCIENCE | 1994年 / 212卷 / 1-2期
关键词：
D O I：
10.1007/BF00984549
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
An end-to-end modelling program for an astrometric telescope employing a Ronchi ruling has been developed. The program models the aberrated images formed anywhere in the field-of-view. It then determines apparent centroids by simulating the motion of a Ronchi ruling across the field. Photo-electron statistics are included. A 6-term plate-constant model is used to determine the apparent motion of a target star within a reference frame as the object is re-observed through both ideal and perturbed optics. The modelling code is accurate at the submicroarcsecond level.
引用
收藏
页码：453 / 463
页数：11
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