Algorithm Design and Test of the Solar Guide Telescope

The Solar Guide Telescope (SGT), an important solar attitude sensor of the SST (Space Solar Telescope, a space solar observing instrument being developed in China), can accurately produce pointing error signals of the SST for attitude control at high speed. We analyze in detail the error algorithm of the heliocentric coordinates and the edge judging of solar images. The measuring accuracy of ±0.5arcsec of the SGT is verified by experiments on the tracking of the Sun and by testing a sun simulator. Some factors causing the pointing errors are examined.

作 者： Wei-Bin Wen Sheng-Zhen Jin   作者單位： National Astronomical Observatories, Chinese Academy of Sciences, Beijing,100012  刊 名： 天體物理學(xué)報(bào)（英文版）  ISTIC SCI 英文刊名： CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS  年，卷(期)： 2004 4(6)  分類號(hào)： P1  關(guān)鍵詞： Solar Guide Telescope - telescopes - techniques: image processing  

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