Ground-based calibration of the TAUVEX flight model |
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Authors: | Elhanan Almoznino Noah Brosch Ido Finkelman Hagai Netzer Erez R. Yacoby Jeremy Topaz Nachman Saar |
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Affiliation: | (1) The Wise Observatory and the Raymond and Beverly Sackler School of Physics and Astronomy, the Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel;(2) Elbit Systems Electro-Optics ELOP Ltd., Advanced Technology Park, POB 1165, Rehovot, 76111, Israel |
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Abstract: | We describe in detail the procedures used for the ground testing and calibration of the flight model of the TAUVEX space telescope. We present the measurements done for this purpose, the various assumptions adopted during the ground calibration process, the results obtained, and provide a first approximation to the real performance of the experiment. The results of the ground-based calibration are that the system complies with the predicted performance in all aspects except for the total throughput, which is a factor of ∼5 smaller than expected. However, the instrument sensitivity measurement is highly uncertain due to known limitations of the available equipment and a more accurate calibration will be performed in orbit. |
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Keywords: | Ultraviolet Space astronomy |
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