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

Published online by Cambridge University Press:  23 May 2007

N. Epchtein ,
M. Candidi ,
D. Burgarella ,
M. Ferrari ,
T. Fusco ,
M. Langlois ,
G. Lemaitre ,
B. Le Roux ,
G. Moretto  and
M. Nicole
D. Burgarella
Affiliation:
OAMP/LAM, Traverse du Siphon, BP. 8, 13376 Marseille Cedex 12, France
M. Ferrari
Affiliation:
OAMP/LAM, 2 place Le Verrier, Marseille Cedex 4, France
T. Fusco
Affiliation:
ONERA, BP. 52, 29 avenue de la Division Leclerc, 92320 Chatillon Cedex, France
M. Langlois
Affiliation:
OAMP/LAM, 2 place Le Verrier, Marseille Cedex 4, France
G. Lemaitre
Affiliation:
OAMP/LAM, 2 place Le Verrier, Marseille Cedex 4, France
B. Le Roux
Affiliation:
OAMP/LAM, 2 place Le Verrier, Marseille Cedex 4, France
G. Moretto
Affiliation:
OAMP/LAM, Traverse du Siphon, BP. 8, 13376 Marseille Cedex 12, France
M. Nicole
Affiliation:
ONERA, BP. 52, 29 avenue de la Division Leclerc, 92320 Chatillon Cedex, France
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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.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 25: 1st ARENA Conference on "Large Astronomical Infrastructures at CONCORDIA, prospects and constraints for Antarctic Optical/IR Astronomy" , 2007 , pp. 147 - 154
Copyright
© EAS, EDP Sciences, 2007

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