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Daytime site characterisation of La Palma, and its relation to night-time conditions.

Townson, M. J. and Kellerer, A. and Osborn, J. and Butterley, T. and Morris, T. J. and Wilson, R. W. (2014) 'Daytime site characterisation of La Palma, and its relation to night-time conditions.', in Ground-based and airborne instrumentation for astronomy V. Washington: SPIE, 91473E. Proceedings of SPIE. (9147).


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.

Item Type:Book chapter
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Publisher statement:Copyright 2014 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Date accepted:No date available
Date deposited:28 June 2018
Date of first online publication:08 July 2014
Date first made open access:No date available

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