Study of the scientific potential of a three 40 cm telescopes interferometer at Dome C

B. Valat; F. X. Schmider; B. Lopez; R. Petrov; M. Vannier; F. Millour; F. Vakili

doi:10.1117/12.671411

29 June 2006 Study of the scientific potential of a three 40 cm telescopes interferometer at Dome C

B. Valat, F. X. Schmider, B. Lopez, R. Petrov, M. Vannier, F. Millour, F. Vakili

Proceedings Volume 6268, Advances in Stellar Interferometry; 62684C (2006) https://doi.org/10.1117/12.671411
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

Recent site testing (see: http://www-luan.unice.fr/Concordiastro/indexantartic.html) has shown that Dome C in Antarctica might have a high potential for stellar interferometry if some solutions related to the surface atmospheric layer are found. A demonstrator interferometer could be envisioned in order to fully qualify the site and prepare the future development of a large array. We analyse the performances of a prototype interferometer for Dome C made with 3 telescopes of 40 cm diameter. It assumes classical Michelson recombination. The most recent atmospheric and environmental conditions measured at Dome C are considered (see K. Agabi "First whole atmosphere night-time seeing measurements at Dome C, Antarctica"[¹]). We also study the possible science reachable with such a demonstrator. Especially we evaluate that even such small aperture interferometer could allow the detection and low resolution spectroscopy of the most favorable pegaside planets.

Citation Download Citation

B. Valat, F. X. Schmider, B. Lopez, R. Petrov, M. Vannier, F. Millour, and F. Vakili "Study of the scientific potential of a three 40 cm telescopes interferometer at Dome C", Proc. SPIE 6268, Advances in Stellar Interferometry, 62684C (29 June 2006); https://doi.org/10.1117/12.671411

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