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Proceedings Paper

High accuracy DIMM measurements for the TMT site testing program
Author(s): Lianqi Wang; Matthias Schöck; Gary Chanan; Warren Skidmore; Edison Bustos; Juan Seguel; Robert Blum
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Paper Abstract

Differential Image Motion Monitors (DIMMs) have become the industry standard for astronomical site characterization. The calibration of DIMMs is generally considered to be routine, but we show that particular care must be paid to this issue if high accuracy measurements are to be achieved. In a side by side comparison of several DIMMs, we demonstrate that with proper calibration we can characterize the seeing to better than ±0.02 arcseconds.

Paper Details

Date Published: 23 June 2006
PDF: 10 pages
Proc. SPIE 6267, Ground-based and Airborne Telescopes, 62671S (23 June 2006); doi: 10.1117/12.673025
Show Author Affiliations
Lianqi Wang, Univ. of California, Irvine (United States)
Matthias Schöck, Thirty Meter Telescope Project (United States)
Gary Chanan, Univ. of California, Irvine (United States)
Warren Skidmore, Thirty Meter Telescope Project (United States)
Edison Bustos, Cerro Tololo Inter-American Observatory (United States)
Juan Seguel, Cerro Tololo Inter-American Observatory (United States)
Robert Blum, Cerro Tololo Inter-American Observatory (United States)


Published in SPIE Proceedings Vol. 6267:
Ground-based and Airborne Telescopes
Larry M. Stepp, Editor(s)

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