Publication
SCIDAR: an optical turbulence profiler for Dome A

Liu, Li-Yong et al., 2013, Astrophysics from Antarctica, 288, 316 | View on ADS (2013IAUS..288..316L) | Access via DOI

Abstract

This paper introduces a plan to detect turbulence profiles at Dome A with a Single Star Scidar (SSS), to enhance our understanding of the characteristics of the site. The development of a portable monitor for profiling vertical atmospheric optical turbulence and wind speed is presented. By analyzing the spatial auto and cross-correlation functions of very short exposure images of single star scintillation patterns, the SSS can provide the vertical profiles of turbulence intensity C 2 n (h) and wind speed V(h). A SSS prototype is already operational at Ali in Tibet which will be improved in order to become fully robotic and adapted to extreme weather conditions that prevail at Dome A in Antarctica.

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