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This paper describes the wave-front correction system developed for the Sunrise balloon telescope, and it provides information about its in-flight performance. For the correction of low-order aberrations, a Correlating Wave-Front Sensor (CWS) was used. It consisted of a six-element Shack – Hartmann wave-front sensor (WFS), a fast tip-tilt mirror for the compensation of image motion, and an active...
SUNRISE is an international project for the development, construction and operation of a balloon-borne solar telescope with an aperture of 1m, working in the UV/VIS spectral domain. The main scientific goal of SUNRISE is to understand the structure and dynamics of the magnetic field in the atmosphere of the Sun. SUNRISE will provide near diffraction-limited images of the photosphere and chromosphere...
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