RELATIVE-COORDINATE DETERMINATION FOR VISUAL DOUBLE STARS BY APPLYING FOURIER TRANSFORMS

被引:1
|
作者
Radovic, V. [1 ]
Pavlovic, R. [2 ]
Cvetkovic, Z. [2 ]
机构
[1] Univ Belgrade, Fac Math, Dept Astron, Belgrade 11000, Serbia
[2] Astron Observ, Belgrade 11060 38, Serbia
关键词
binaries: visual; techniques: image processing; instrumentation: detectors;
D O I
10.2298/SAJ1386065R
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We discuss the software developed for the purpose of determining the relative coordinates (position angle 0 and separation p) for visual double or multiple stars. It is based on application of Fourier transforms in treating CCD frames of these systems. The objective was to determine the relative coordinates automatically to an extent as large as possible. In this way the time needed for the reduction of many CCD frames becomes shorter. The capabilities and limitations of the software are examined. Besides, the possibility of improving is also considered. The software has been tested and checked on a sample consisting of CCD frames of 165 double or multiple stars obtained with the 2m telescope at NAO Rozhen in Bulgaria in October 2011. The results have been compared with the corresponding results obtained by applying different software and the agreement is found to be very good.
引用
收藏
页码:65 / 76
页数:12
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