8 July 2014 Daytime site characterisation of La Palma, and its relation to night-time conditions
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Abstract
This paper presents preliminary daytime profiles taken using a Wide-Field Shack-Hartmann Sensor at the Swedish Solar Telescope (SST), La Palma. These are contrasted against Stereo-SCIDAR data from corresponding nights to assess the validity of the assumptions currently used for simulating the performances of possible Multi-Conjugate Adaptive Optics (MCAO) systems for future solar telescopes, especially the assumption that the structure of the high altitude turbulence is mostly similar between the day and the night. We find that for our data both the altitude and the strength of the turbulence differ between the day and the night, although more data is required to draw any conclusions about typical behaviour and conditions.
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Matthew J. Townson, Matthew J. Townson, Aglaé Kellerer, Aglaé Kellerer, James Osborn, James Osborn, Timothy Butterley, Timothy Butterley, Timothy Morris, Timothy Morris, Richard W. Wilson, Richard W. Wilson, } "Daytime site characterisation of La Palma, and its relation to night-time conditions", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91473E (8 July 2014); doi: 10.1117/12.2056451; https://doi.org/10.1117/12.2056451
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