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Proceedings Article

Where is Ridge A?

[+] Author Affiliations
Geoff Sims, Michael C. B. Ashley, John W. V. Storey

The Univ. of New South Wales (Australia)

Craig Kulesa

Univ. of Arizona (United States)

Jon S. Lawrence

Macquarie Univ. (Australia)

Will Saunders

Australian Astronomical Observatory (Australia)

Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84445H (September 17, 2012); doi:10.1117/12.925512
Text Size: A A A
From Conference Volume 8444

  • Ground-based and Airborne Telescopes IV
  • Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall
  • Amsterdam, Netherlands | July 01, 2012

abstract

First identied in 2009 as the site with the lowest precipitable water and best terahertz transmission on Earth, Ridge A is located approximately 150 km south of Dome A, Antarctica. To further rene this optimum location prior to deployment in 2012 of a robotic THz observatory, we have modelled the atmospheric transmission as a function of location over a 1,000,000 km square grid using three years of data from the Microwave Humidity Sounder on the NOAA-18 satellite. The modelling identies a broad area of exceptionally low water vapour close to the 4,000 metre elevation contour, reaching below 100 microns for extended periods of time. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Geoff Sims ; Craig Kulesa ; Michael C. B. Ashley ; Jon S. Lawrence ; Will Saunders, et al.
" Where is Ridge A? ", Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 84445H (September 17, 2012); doi:10.1117/12.925512; http://dx.doi.org/10.1117/12.925512


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