CASTLE: a curved-sensor-based wide-field telescope at Calar Alto

S. Lombardo; E. R. Muslimov; K. Joaquina; G. R. Lemaitre; M. Pons; E. Pérez; J.-M. Ibáñez Mengual; J. Sánchez; F. Prada; E. Hugot

doi:10.1117/12.2561369

13 December 2020 CASTLE: a curved-sensor-based wide-field telescope at Calar Alto

S. Lombardo, E. R. Muslimov, K. Joaquina, G. R. Lemaitre, M. Pons, E. Pérez, J.-M. Ibáñez Mengual, J. Sánchez, F. Prada, E. Hugot

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Proceedings Volume 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV; 114510A (2020) https://doi.org/10.1117/12.2561369
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

The Calar Alto Schmidt-Lemaitre Explorer (CASTLE) is an innovative 35 cm robotic telescope aimed at demonstrating the impact and performance of curved detectors for astronomical observations. This telescope will use a spherically curved science-grade sensor matching its curved focal surface and it will be installed at the Calar Alto Observatory in Spain. In this paper we will show the design and we will present the status of the opto-mechanical design and construction. We will also show the preliminary results of the straylight analysis and the general plan towards commissioning and first light in 2021/2022.

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S. Lombardo, E. R. Muslimov, K. Joaquina, G. R. Lemaitre, M. Pons, E. Pérez, J.-M. Ibáñez Mengual, J. Sánchez, F. Prada, and E. Hugot "CASTLE: a curved-sensor-based wide-field telescope at Calar Alto", Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 114510A (13 December 2020); https://doi.org/10.1117/12.2561369

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