EAS Publications Series
Volume 33, 20082nd ARENA Conference: The Astrophysical Science Cases at Dome C
|Page(s)||147 - 155|
|Published online||13 November 2008|
H. Zinnecker, N. Epchtein and H. Rauer (eds)
EAS Publications Series, 33 (2008) 147-155
The Wide-field High-resolution Infrared TElescope (WHITE) for Dome C
Observatoire Astronomique Marseille Provence, LAM, France
2 ONERA, France
The Wide-field High-resolution Infrared TElescope (WHITE) that we propose for Dome C will be dedicated in the first years of its life to carry out a few legacy surveys (well-focused in terms of science objectives and time). WHITE would have an angular resolution of ~0.3'' uniform over ~0.7 sq. deg. in the wavelength range 1 µm to 5 µm, which means that we will very efficiently use all the available observational time during night time and day time. Moreover, the deepest observations will be performed by summing up shorter individual frames. We will obtain temporal information that can be used to study variable objects. The three key science objectives of WHITE are: 1) A survey of the Magellanic Clouds to make a complete census of young stellar objects in the Clouds and in the Bridge and to study their star formation history and the link with the Milky Way. The interaction of the two Clouds with our Galaxy might be the closest example of a minor merging event that could be the main driver of galaxy evolution in the last 5 Gyrs. 2) Establishing of the first sample of dusty supernovae at z < 1.2 in the near infrared range (1.0 - 5.0 µm) to constrain the equation of state of these obscured objects, study the formation of dust in galaxies, and build the first high resolution sample of high-redshift galaxies observed in their optical frame 3) A very wide weak lensing survey that would allow to estimate the equation of state of dark energy in a way that would favourably compete with space projects.
© EAS, EDP Sciences, 2008
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