ROS2: a multichannel vision for the robotic REM telescope

Emilio Molinari; Stefano Covino; Giuseppe Crimi; Francesco D'Alessio; Salvatore Incorvaia; Dino Fugazza; Paolo Spanò; Giorgio Toso; Daniela Tresoldi; Fabrizio Vitali

doi:10.1117/12.2056390

24 July 2014 ROS2: a multichannel vision for the robotic REM telescope

Emilio Molinari, Stefano Covino, Giuseppe Crimi, Francesco D'Alessio, Salvatore Incorvaia, Dino Fugazza, Paolo Spanò, Giorgio Toso, Daniela Tresoldi, Fabrizio Vitali

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91476X (2014) https://doi.org/10.1117/12.2056390
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

During 2013, a new visible camera has been finally installed and tested at the 60cm, robotic REM telescope in the la Silla Observatory. REM is an Italian, fast-reacting telescope initially designed and built for the immediate response to GRB automatic alerts, but since the first light in 2003 its usage has been covering a wider range of astronomical interests. While the IR camera REMIR was reaching the expected limiting magnitudes, the original ROSS visible camera suffered, since the beginning, of a rather poor performance. We set therefore to implement a newer optical camera, leading to the design, tests and integration of ROS2, a dichroic-based four channels imaging camera. The four Sloan-like pass bands are imaged, at the same time, in four quadrants of the CCD, an Andor multilevel Peltier detector. The tests during the science commissioning show an impressive improvement in the limiting magnitudes, reaching two magnitudes fainter than ROSS. Here we show the concept, the tests and the user level product we are now offering at REM.

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Emilio Molinari, Stefano Covino, Giuseppe Crimi, Francesco D'Alessio, Salvatore Incorvaia, Dino Fugazza, Paolo Spanò, Giorgio Toso, Daniela Tresoldi, and Fabrizio Vitali "ROS2: a multichannel vision for the robotic REM telescope", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91476X (24 July 2014); https://doi.org/10.1117/12.2056390

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