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Wide Field Astronomy at Dome C: two IR Surveys Complementary to SNAP

  • N. Epchtein, M. Candidi, D. Burgarella (a1), M. Ferrari (a2), T. Fusco (a3), M. Langlois (a2), G. Lemaitre (a2), B. Le Roux (a2), G. Moretto (a1) and M. Nicole (a3)...

Abstract

Surveys provide a wealth of data to the astronomical community that are used well after their completion. In this paper, we propose a project that would take the maximum benefit of Dome C in Antarctica by performing two surveys, in the wavelength range from 1–5 µm, complementary to SNAP space surveys. The first one over 1000 sq. deg. (1 KdF) for 4 years and the second one over 15 sq. deg (SNAP-IR) for the next 4 years at the same time as SNAP 0.35–1.7 µm survey. By using a Ground-Layer Adaptive Optics system, we would be able to recover, at the ice level and over at least half a degree in radius, the ~300 mas angular resolution available above the 30-m high turbulent layer. Such a survey, combining a high angular resolution with high sensitivities in the NIR and MIR, should also play the role of a pre-survey for JWST and ALMA.

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Wide Field Astronomy at Dome C: two IR Surveys Complementary to SNAP

  • N. Epchtein, M. Candidi, D. Burgarella (a1), M. Ferrari (a2), T. Fusco (a3), M. Langlois (a2), G. Lemaitre (a2), B. Le Roux (a2), G. Moretto (a1) and M. Nicole (a3)...

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