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10 July 2018 Non-blind deconvolution of the residual tip-tilt error of the Sunrise Solar Observatory
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Abstract
The Sunrise observatory consists of a one-meter solar telescope operated in the gondola of a stratospheric balloon. The first two science flights of Sunrise have shown the unreached imaging quality at lower costs than satellitebased missions, as well as a general problem of balloon missions: Micro-vibrations have occurred during parts of the observation time and made the determination of the point spread function difficult. This paper introduces an adaption of deconvolution from wave-front sensing (DWFS) as a possible solution. The case of vibrations in the common path is verified in simulations. The utilization of high-cadence spectro-polarimeters is approached in order to extend DWFS to non-common path errors at the scientific camera.
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Stefan Tabel, Johannes Treis, and Walter Stechele "Non-blind deconvolution of the residual tip-tilt error of the Sunrise Solar Observatory", Proc. SPIE 10705, Modeling, Systems Engineering, and Project Management for Astronomy VIII, 107051D (10 July 2018); https://doi.org/10.1117/12.2311652
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