Algorithm Design and Test of the Solar Guide Telescope}

Details Algorithm Design and Test of the Solar Guide Telescope} Algorithm Design and Test of the Solar Guide Telescope}

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004chjaa...4..599w&link_type=abstract

Chinese Journal of Astronomy & Astrophysics, Vol. 4, p. 599-606

Astronomy and Astrophysics

Astrophysics

Solar Guide Telescope, Telescopes, Techniques: Image Processing

Scientific paper

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 ± 0.5 arcsec 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.

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