BOVIS, the visible eye of Bootes-IR*

A. Riva1, M. Jelínek2, R. Cunniffe2, S. Vítek3, A. J. Castro-Tirado2, M. Riva4, and F. M. Zerbi4
1INAF - Osservatorio Astronomico di Torino, Strada Osservatorio, 20, I-10025, Pino Torinese (TO), Italy
2IAA - Instituto de Astrofisica de Andalucia (CSIC), Camino Bajo de Huètor, 50, 18008 Granada, Spain
3Faculty of Electrical Engineering, Czech Technical University in Prague, Technická, 2, 166 27, Praha, Czech Republic 4INAF - Osservatorio Astronomico di Brera, Via E. Bianchi, 46, I-23807, Merate (LC), Italy

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Abstract

This paper describes the design of a visible camera (BOVIS - BOotes VISible camera) to be installed at the Nasmyth focus of the BOOTES-IR telescope, operating at OSN, Granada, Spain. BOVIS will be fed by the visible light produced by means of a dichroic that splits the light coming from the telescope into two channels. Visible channel ranges from 400 nm to 850 nm, while the existing infrared channel (covered by the BIRCAM camera) ranges from 900 nm to 2300 nm. The instrument is compared to the REM-ROSS2 facility (La Silla, Chile) currently in refurbishing phase. An adaptive optics option is also proposed as a possible technique to increase performance beyond the seeing limitations of the Sierra Nevada site.

Optical layout of ROSS-2 with respect to the derotator flange in red Detail of the optics used for the four simultaneous channels on the same detector for ROSS-2 Mechanical layout of ROSS-2 with respect to the infrared flange in yellow
Fig. 1 Fig. 2 Fig. 3
Optical layout of BOVIS    
Fig. 4    


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Keywords : GRB – visible camera – robotic instrumentation.