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Development of a two-channel system for monitoring the mirror elements of the Millimetron space observatory

P. S. Zavyalov, S. N. Makarov, A. V. Smirnov, S. D. Fedorchuk, M. F. Stupak, A. G. Verhoglyad, A. G. Elesin, M. A. Zavyalova, M. S. Kravchenko, D. V. Skokov, E. V. Vlasov, and A. V. Ermolenko

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Abstract

The paper presents the results of the development of an onboard two-stage telescope monitoring (control) system of the Millimetron space observatory. A 3D laser scanner is used for the preliminary inspection of the reflector elements, and an image analyzer based on the Foucault knife method is used for the final one. The results of the calculation and modeling of the monitoring system for tuning the telescope elements into space are presented. The signals formed in the system are calculated, including using data on the actual shape of the manufactured mirror elements. Estimates of the expected measurement accuracy are given, and the test results of the developed system are presented.

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Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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