ASTEP to Cryoscope: expanding Antarctic astronomy at Dome-C with a wide field infrared telescope

Antonio de Ugarte Postigo; Tristan Guillot; Mansi M. Kasliwal; Roger Smith; Tony Travouillon; Lyu Abe; Karim Agabi; Sarah Antier; Michael Ashley; Philippe Bendjoya; Benoit Carry; Luca Casagrande; Ilaria Caiazzo; Cenko Brad; Matthew Graham; Timothee Greffe; Nicholas Earley; Jason Fucik; David Hale; Elena Pian; Olga Suarez; Amaury Triaud; Bob Weber; Julien de Wit

doi:10.1117/12.3020639

28 August 2024 ASTEP to Cryoscope: expanding Antarctic astronomy at Dome-C with a wide field infrared telescope

Antonio de Ugarte Postigo, Tristan Guillot, Mansi M. Kasliwal, Roger Smith, Tony Travouillon, Lyu Abe, Karim Agabi, Sarah Antier, Michael Ashley, Philippe Bendjoya, Benoit Carry, Luca Casagrande, Ilaria Caiazzo, Cenko Brad, Matthew Graham, Timothee Greffe, Nicholas Earley, Jason Fucik, David Hale, Elena Pian, Olga Suarez, Amaury Triaud, Bob Weber, Julien de Wit

Author Affiliations +

Proceedings Volume 13094, Ground-based and Airborne Telescopes X; 130942B (2024) https://doi.org/10.1117/12.3020639
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

Dome-C in the Antarctic Plateau is a privileged site for Astronomy, with one of the lowest concentrations of water vapor in the world, providing a pristine atmospheric window for IR observations. Together with the long winter nights, this allows for extended continuous observational campaigns. At the Concordia Station, ASTEP has taken advantage of the weather and long nights to observe long-period transiting exoplanets for over a decade. With the Cryoscope Pathfinder we now plan to take advantage of the dark IR window between 2.35 and 2.55𝜇m. The unique design of Cryoscope Pathfinder is optimized for a very wide field of view and very thermal background. It is a cryogenic 0.26 m telescope designed for observations in K-dark with a field of view of 16 deg^2. This is the first step for a much more ambitious project, the full scale 1-meter class Cryoscope telescope, with a field of view of 50 deg^2. The initial science drivers are the study of exoplanets and of the infrared transient sky, where it will play a major role in the localization of gravitational wave sources. Furthermore, many other science topics will be enabled by Cryoscope and through synergies with other surveys.

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Antonio de Ugarte Postigo, Tristan Guillot, Mansi M. Kasliwal, Roger Smith, Tony Travouillon, Lyu Abe, Karim Agabi, Sarah Antier, Michael Ashley, Philippe Bendjoya, Benoit Carry, Luca Casagrande, Ilaria Caiazzo, Cenko Brad, Matthew Graham, Timothee Greffe, Nicholas Earley, Jason Fucik, David Hale, Elena Pian, Olga Suarez, Amaury Triaud, Bob Weber, and Julien de Wit "ASTEP to Cryoscope: expanding Antarctic astronomy at Dome-C with a wide field infrared telescope", Proc. SPIE 13094, Ground-based and Airborne Telescopes X, 130942B (28 August 2024); https://doi.org/10.1117/12.3020639

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