Observations of ground-layer turbulence

Michael Goodwin; Charles Jenkins; Peter Conroy; Andrew Lambert

doi:10.1117/12.787732

14 July 2008 Observations of ground-layer turbulence

Michael Goodwin, Charles Jenkins, Peter Conroy, Andrew Lambert

Proceedings Volume 7015, Adaptive Optics Systems; 701549 (2008) https://doi.org/10.1117/12.787732
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We have developed an improvement of the well-known SLODAR (Slope Detection and Ranging) technique which allows us to monitor the ground layer throughout the night with resolution of a few tens of meters. We will present data we have obtained during two one-week observing sessions at the Las Campanas Observatory, Chile. The first observing session we have often observed a persistent, low ground layer which dominates the seeing. The second observing session the free-atmosphere dominated the seeing. We will present the instrument design; real-time software; describe the observing sessions, the data and results.

Citation Download Citation

Michael Goodwin, Charles Jenkins, Peter Conroy, and Andrew Lambert "Observations of ground-layer turbulence", Proc. SPIE 7015, Adaptive Optics Systems, 701549 (14 July 2008); https://doi.org/10.1117/12.787732

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