The Slewing Mirror Telescope of UFFO-Pathfinder: first performance report in space
August 16, 2017
August 03, 2018
The Slewing Mirror Telescope(SMT) is the ﬁrst orbital instrument, using motorized mirror for observations of the space, designed to shed light on ﬁrst seconds of Gamma-Ray Bursts (GRBs) prompt UV/optical emission. The SMT is main component of the Ultra-Fast Flash Observatory (UFFO). Once GRB is detected by UFFO X-ray coded mask camera, SMT turns its motorized mirror within seconds to observe optical and UV emission of GRB. After several years of delay on its launch, UFFO was ﬁnally launched in 28 April 2016. Launch took place onboard Lomonosov satellite from new Russian kosmodrom Vostochny. Several space tests have been performed during that period, which proved the concept of SMT and gave precise values of SMT sensitivity and resolution. For the ﬁrst time in the space observations, motorized mirror system is able to trace objects despite the drift of telescope FOV due to satellite orbital movement.
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