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Published May 10, 2008 | Version Published
Journal Article Open

Study on the precision of the multiaperture scintillation sensor turbulence profiler (MASS) employed in the site testing campaign for the Thirty Meter Telescope

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Abstract

The multiaperture scintillation sensor (MASS) has become a device widely employed to measure the altitude distribution of atmospheric turbulence. An empirical study is reported that investigates the dependence of the MASS results on the knowledge of the instrumental parameters. Also, the results of a side-by-side comparison of two MASS instruments are presented, indicating that MASS instruments permit measurements of the integrated seeing to a precision better than 0.05 arc sec and of the individual turbulence layer strength Cn2(h)dh to better than 10^−14 m^(1/3).

Additional Information

© 2008 Optical Society of America. Received 16 January 2008; revised 5 March 2008; accepted 7 March 2008; posted 20 March 2008 (Doc. ID 91713); published 2 May 2008. We thank the Cerro Tololo Interamerican Observatory staff for their support and hospitality. The TMT Project gratefully acknowledges the support of the TMT partner institutions. They are the Association of Canadian Universities for Research in Astronomy (ACURA), the California Institute of Technology, and the University of California. This work was supported as well by the Gordon and Betty Moore Foundation, the Canada Foundation for Innovation, the Ontario Ministry of Research and Innovation, the National Research Council of Canada, the Natural Sciences and Engineering Research Council of Canada, the British Columbia Knowledge Development Fund, the Association of Universities for Research in Astronomy (AURA) and the U.S. National Science Foundation.

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10975
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CaltechAUTHORS:ELSao08

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http://www.opticsinfobase.org/abstract.cfm?URI=ao-47-14-2610 (URL)

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Created
2008-06-21
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Updated
2019-10-03
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