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23 June 2006 Generalized SCIDAR measurements at La Silla Observatory
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Abstract
We present the results of vertical profiles of refractive index structure constant Cn2(h) measurements made at the 1-m telescope, La Silla Observatory (ESO,Chile) using the generalized SCIDAR technique. Observations took place during July, August, November, 2002 and February 2003. The instrumentation, computer interface and a preliminary reduction software were provided by the Imperial College (London) scientific group. We describe the SCIDAR image processing technique and two inverting methods. The first, proposed by the Imperial College group, is based on the Tikhonov regularization and the second, on use at Nice University, is based on maximum entropy. Performances of both methods agree well. The profile integrals are compared to simultaneous DIMM seeing measurements made at La Silla Observatory.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. Sadibekova, J. Vernin, M. Sarazin, and M. Le Louarn "Generalized SCIDAR measurements at La Silla Observatory", Proc. SPIE 6267, Ground-based and Airborne Telescopes, 62671P (23 June 2006); https://doi.org/10.1117/12.671594
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