Towards ASTEP+, a two-color photometric telescope at Dome C, Antarctica

Nicolas Crouzet; Abdelkrim Agabi; Tristan Guillot; Lyu Abe; François-Xavier Schmider; Djamel Mékarnia; Amaury H. M. J. Triaud; Yves Bresson; Nicolas Mauclert; Christophe Bailet; Dennis Breeveld; Sander Blommaert; Brian Shortt; Jean-Baptiste Daban; Anne-Marie Lagrange; Romain Touzé; Justin Dufour; Valentin Stee; Jocelyn Caruana

doi:10.1117/12.2562550

13 December 2020 Towards ASTEP+, a two-color photometric telescope at Dome C, Antarctica

Nicolas Crouzet, Abdelkrim Agabi, Tristan Guillot, Lyu Abe, François-Xavier Schmider, Djamel Mékarnia, Amaury H. M. J. Triaud, Yves Bresson, Nicolas Mauclert, Christophe Bailet, Dennis Breeveld, Sander Blommaert, Brian Shortt, Jean-Baptiste Daban, Anne-Marie Lagrange, Romain Touzé, Justin Dufour, Valentin Stee, Jocelyn Caruana

Author Affiliations +

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114470O (2020) https://doi.org/10.1117/12.2562550
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

Dome C, Antarctica is unique in particular for long-duration astronomical observations due to the excellent weather conditions and nearly uninterrupted nights during the Southern winter period. The 40 cm telescope ASTEP has been operating successfully at the Concordia base, at Dome C, since 2010. We describe the new ASTEP+, a major upgrade of its camera box which will allow it to observe simultaneously in two colors. Approximately three times more photons will be collected for science, yielding more sensitive and accurate observations. The southern location of the telescope means that it is ideally located to follow-up exoplanetary targets in preparation for the future JWST and Ariel observations, in particular when located in the southern continuous viewing zones of these space-based telescopes.

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Nicolas Crouzet, Abdelkrim Agabi, Tristan Guillot, Lyu Abe, François-Xavier Schmider, Djamel Mékarnia, Amaury H. M. J. Triaud, Yves Bresson, Nicolas Mauclert, Christophe Bailet, Dennis Breeveld, Sander Blommaert, Brian Shortt, Jean-Baptiste Daban, Anne-Marie Lagrange, Romain Touzé, Justin Dufour, Valentin Stee, and Jocelyn Caruana "Towards ASTEP+, a two-color photometric telescope at Dome C, Antarctica", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114470O (13 December 2020); https://doi.org/10.1117/12.2562550

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