Extrasolar planet science with the Antarctic planet interferometer

James P. Lloyd; Benjamin F. Lane; Mark R. Swain; John W.V. Storey; Tony Travouillon; Wesley A. Traub; Christopher K. Walker

doi:10.1117/12.506895

19 November 2003 Extrasolar planet science with the Antarctic planet interferometer

James P. Lloyd, Benjamin F. Lane, Mark R. Swain, John W.V. Storey, Tony Travouillon, Wesley A. Traub, Christopher K. Walker

Author Affiliations +

Proceedings Volume 5170, Techniques and Instrumentation for Detection of Exoplanets; (2003) https://doi.org/10.1117/12.506895
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The primary limitation to ground based astronomy is the Earth's atmosphere. The atmosphere above the Antarctic plateau is different in many regards compared to the atmosphere at temperate sites. The extreme altitude, cold and low humidity offer a uniquely transparent atmosphere at many wavelengths. Studies at the South Pole have shown additionally that the turbulence properties of the night time polar atmosphere are fundamentally different to mid latitudes. Despite relatively strong ground layer turbulence, the lack of high altitude turbulence combined with low wind speeds presents favorable conditions for interferometry. The unique properties of the polar atmosphere can be exploited for Extrasolar Planet studies with differential astrometry, differential phase and nulling intereferometers. This paper combines the available data on the properties of the atmosphere at the South Pole and other Antarctic plateau sites for Extrasolar Planet science with interferometry.

Citation Download Citation

James P. Lloyd, Benjamin F. Lane, Mark R. Swain, John W.V. Storey, Tony Travouillon, Wesley A. Traub, and Christopher K. Walker "Extrasolar planet science with the Antarctic planet interferometer", Proc. SPIE 5170, Techniques and Instrumentation for Detection of Exoplanets, (19 November 2003); https://doi.org/10.1117/12.506895

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