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Time domain astronomy from Dome C: results from ASTEP

Published online by Cambridge University Press:  30 January 2013

J.-P. Rivet
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
L. Abe
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
K. Agabi
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
M. Barbieri
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
N. Crouzet
Affiliation:
Space Telescope Science Institute, Baltimore, MD 21218, USA
I. Goncalves
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
T. Guillot
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
D. Mekarnia
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
J. Szulagyi
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
J.-B. Daban
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
C. Gouvret
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
Y. Fantei-Caujolle
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
F.-X. Schmider
Affiliation:
Laboratoire Lagrange, UMR7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, F-06304 Nice Cedex 4France.
T. Furth
Affiliation:
DLR Institute for Planetary Research, 12489 Berlin, Germany
A. Erikson
Affiliation:
DLR Institute for Planetary Research, 12489 Berlin, Germany
H. Rauer
Affiliation:
DLR Institute for Planetary Research, 12489 Berlin, Germany
F. Fressin
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
A. Alapini
Affiliation:
School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, United-Kingdom
F. Pont
Affiliation:
School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, United-Kingdom
S. Aigrain
Affiliation:
Department of Physics, University of Oxford, Oxford OX1 3RH, United Kingdom
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Abstract

ASTEP (Antarctic Search for Transiting Exo Planets) is a research program funded mainly by French ANR grants and by the French Polar Institute (IPEV), dedicated to the photometric study of exoplanetary transits from Antarctica.

The preliminary “pathfinder” instrument ASTEP–South is described in another communication (Crouzet et al., these proceedings), and we focus in this presentation on the main instrument of the ASTEP program: “ASTEP–400”, a 40 cm robotized and thermally-controlled photometric telescope operated from the French-Italian Concordia station (Dome C, Antarctica).

ASTEP–400 has been installed at Concordia during the 2009-2010 summer campaign. Since, the telescope has been operated in nominal conditions during 2010 and 2011 winters, and the 2012 winterover is presently in progress. Data from the first two winter campaigns are available and processed. We give a description of the ASTEP–400 telescope from the mechanical, optical and thermal point of view. Control and software issues are also addressed. We end with a discussion of some astronomical results obtained with ASTEP–400.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013

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