23 June 2006 AMICA (Antarctic Multiband Infrared CAmera) project
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The Antarctic Plateau offers unique opportunities for ground-based Infrared Astronomy. AMICA (Antarctic Multiband Infrared CAmera) is an instrument designed to perform astronomical imaging from Dome-C in the near- (1 - 5 μm) and mid- (5 - 27 μm) infrared wavelength regions. The camera consists of two channels, equipped with a Raytheon InSb 256 array detector and a DRS MF-128 Si:As IBC array detector, cryocooled at 35 and 7 K respectively. Cryogenic devices will move a filter wheel and a sliding mirror, used to feed alternatively the two detectors. Fast control and readout, synchronized with the chopping secondary mirror of the telescope, will be required because of the large background expected at these wavelengths, especially beyond 10 μm. An environmental control system is needed to ensure the correct start-up, shut-down and housekeeping of the camera. The main technical challenge is represented by the extreme environmental conditions of Dome C (T about -90 °C, p around 640 mbar) and the need for a complete automatization of the overall system. AMICA will be mounted at the Nasmyth focus of the 80 cm IRAIT telescope and will perform survey-mode automatic observations of selected regions of the Southern sky. The first goal will be a direct estimate of the observational quality of this new highly promising site for Infrared Astronomy. In addition, IRAIT, equipped with AMICA, is expected to provide a significant improvement in the knowledge of fundamental astrophysical processes, such as the late stages of stellar evolution (especially AGB and post-AGB stars) and the star formation.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mauro Dolci, Mauro Dolci, Oscar Straniero, Oscar Straniero, Gaetano Valentini, Gaetano Valentini, Gianluca Di Rico, Gianluca Di Rico, Maurizio Ragni, Maurizio Ragni, Danilo Pelusi, Danilo Pelusi, Igor Di Varano, Igor Di Varano, Croce Giuliani, Croce Giuliani, Amico Di Cianno, Amico Di Cianno, Angelo Valentini, Angelo Valentini, Leonardo Corcione, Leonardo Corcione, Favio Bortoletto, Favio Bortoletto, Maurizio D'Alessandro, Maurizio D'Alessandro, Carlotta Bonoli, Carlotta Bonoli, Enrico Giro, Enrico Giro, Daniela Fantinel, Daniela Fantinel, Demetrio Magrin, Demetrio Magrin, Filippo Maria Zerbi, Filippo Maria Zerbi, Alberto Riva, Alberto Riva, Emilio Molinari, Emilio Molinari, Paolo Conconi, Paolo Conconi, Vincenzo De Caprio, Vincenzo De Caprio, Maurizio Busso, Maurizio Busso, Gino Tosti, Gino Tosti, Giuliano Nucciarelli, Giuliano Nucciarelli, Fabio Roncella, Fabio Roncella, Carlos Abia, Carlos Abia, "AMICA (Antarctic Multiband Infrared CAmera) project", Proc. SPIE 6267, Ground-based and Airborne Telescopes, 62671I (23 June 2006); doi: 10.1117/12.670795; https://doi.org/10.1117/12.670795


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