22 July 2014 Calibration systems for LSST
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Abstract
The Large Synoptic Survey Telescope (LSST) relies on a set of calibration systems to achieve the survey photometric performances over a wide range of observing conditions. Its purpose is to consistently and accurately measure the observatory instrumental response and the atmospheric transparency during LSST observing. The instrumental response calibration will be performed regularly to monitor any variation of the transmission during the duration of the survey. The atmospheric data will be acquired nightly and processed to atmospheric models. In this paper, we describe the calibration screen system that will be used to perform the instrumental response calibration and the atmospheric calibration system including the auxiliary telescope dedicated to the acquisition of spectral data to determine the atmospheric transmission.
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Jacques Sebag, Jacques Sebag, William J. Gressler, William J. Gressler, Ming Liang, Ming Liang, Tim Axelrod, Tim Axelrod, Chuck Claver, Chuck Claver, John Andrew, John Andrew, "Calibration systems for LSST", Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 91453L (22 July 2014); doi: 10.1117/12.2055232; https://doi.org/10.1117/12.2055232
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