The upgraded Calern Atmospheric Turbulence Station

C. Giordano; A. Ziad; E. Aristidi; J. Chabé; Y. Fantéï-Caujolle; C. Bailet; T. Charbonnel; A. Gillioën; E. Jacqmart; A. Rafalimanana

doi:10.1117/12.2629818

29 August 2022 The upgraded Calern Atmospheric Turbulence Station

C. Giordano, A. Ziad, E. Aristidi, J. Chabé, Y. Fantéï-Caujolle, C. Bailet, T. Charbonnel, A. Gillioën, E. Jacqmart, A. Rafalimanana

Author Affiliations +

Proceedings Volume 12185, Adaptive Optics Systems VIII; 121855Y (2022) https://doi.org/10.1117/12.2629818
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

Since 2015, the Calern Atmospheric Turbulence Station (CATS) monitors optical turbulence conditions at the Calern observatory, from the ground to the top of the atmosphere during both daytime and nighttime. Its advantages are its autonomy to work continuously and its ability to measure all parameters characterizing the turbulence, including its vertical profile C²_n with a high vertical resolution (~100m at ground level) from the ground to more than 20km height. All these parameters are important for the astronomical community for daily operations, for instrument dimensioning and for forecasting. Until now CATS was composed of two well-known instruments: the Generalized Differential Image Motion Monitor (GDIMM) working on bright stars, and the Profiler of Moon Limb (PML), working on Moon or Sun limbs. Having these two instruments brings a complementarity to CATS to monitor almost continuously the turbulence conditions. In this paper, we present the last upgrades of the CATS station and the new instrumentations and tools that have been added recently to the station.

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C. Giordano, A. Ziad, E. Aristidi, J. Chabé, Y. Fantéï-Caujolle, C. Bailet, T. Charbonnel, A. Gillioën, E. Jacqmart, and A. Rafalimanana "The upgraded Calern Atmospheric Turbulence Station", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121855Y (29 August 2022); https://doi.org/10.1117/12.2629818

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