The performance of the blue prime focus Large Binocular Camera at the Large Binocular Telescope
E. Giallongo (1), R. Ragazzoni (2), A. Grazian (1), A. Baruffolo (2),, G. Beccari (3), C. De Santis (1), E. Diolaiti (3), A. Di Paola (1), J., Farinato (2), A. Fontana (1), S. Gallozzi (1), F. Gasparo (4), G. Gentile, (2), R. Green (5), J. Hill (5), O. Kuhn (5), F. Pasian (4)

TL;DR
This paper describes the characteristics, commissioning results, and scientific potential of the blue channel of the Large Binocular Camera at the LBT, highlighting its high sensitivity and imaging capabilities in the UV-B bands.
Contribution
It provides the first detailed performance assessment of the blue channel of the LBC, demonstrating its high sensitivity and potential for deep UV galaxy surveys.
Findings
Blue channel performance matches expectations from commissioning.
The camera is the most powerful UV imager currently available.
Deep UV galaxy counts reach U(Vega)=26.5 over 500 sq. arcmin.
Abstract
We present the characteristics and some early scientific results of the first instrument at the Large Binocular Telescope (LBT), the Large Binocular Camera (LBC). Each LBT telescope unit will be equipped with similar prime focus cameras. The blue channel is optimized for imaging in the UV-B bands and the red channel for imaging in the VRIz bands. The corrected field-of-view of each camera is approximately 30 arcminutes in diameter, and the chip area is equivalent to a 23x23 arcmin2 field. In this paper we also present the commissioning results of the blue channel. The scientific and technical performance of the blue channel was assessed by measurement of the astrometric distortion, flat fielding, ghosts, and photometric calibrations. These measurements were then used as input to a data reduction pipeline applied to science commissioning data. The measurements completed during…
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