Study of the local optical turbulence in a 1.5m telescope dome with the INTENSE instrument

Julien Chabé; Thibault Giauffret; Duy-Hà Phung; Aziz Ziad; Eric Aristidi; Malak Ben Rahhal; Etienne Samain; Yan Fantei-Caujolle

doi:10.1117/12.2312419

6 July 2018 Study of the local optical turbulence in a 1.5m telescope dome with the INTENSE instrument

Julien Chabé, Thibault Giauffret, Duy-Hà Phung, Aziz Ziad, Eric Aristidi, Malak Ben Rahhal, Etienne Samain, Yan Fantei-Caujolle

Author Affiliations +

Proceedings Volume 10700, Ground-based and Airborne Telescopes VII; 1070056 (2018) https://doi.org/10.1117/12.2312419
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

Optical systems performances can be affected by local optical turbulence created by its surrounding environment (telescope dome, clean room, atmospheric surface layer). We present recent measurements of the local turbulence inside the 1.5m M´eO telescope dome at Calern observatory (France) with the INTENSE (INdoor TurbulENce SEnsor) instrument. Relationships between the dome turbulence and the local meteorological measurements (temperature, pressure, wind speed and direction) are investigated. The impact of the local dome turbulence on the seeing at the focal plane of the 1.5 m telescope is highlighted.

Citation Download Citation

Julien Chabé, Thibault Giauffret, Duy-Hà Phung, Aziz Ziad, Eric Aristidi, Malak Ben Rahhal, Etienne Samain, and Yan Fantei-Caujolle "Study of the local optical turbulence in a 1.5m telescope dome with the INTENSE instrument", Proc. SPIE 10700, Ground-based and Airborne Telescopes VII, 1070056 (6 July 2018); https://doi.org/10.1117/12.2312419

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