Slewing Mirror Telescope optics for the early observation of UV/optical photons from Gamma-Ray Bursts

S. Jeong, J. W. Nam, K. B. Ahn, I. H. Park, S. W. Kim, J. Lee, H. Lim, Søren Brandt, Carl Budtz-Jørgensen, A. J. Castro-Tirado, P. Chen, M. H. Cho, J. N. Choi, B. Grossan, M. A. Huang, A. Jung, J. E. Kim, M. B. Kim, Y. W. Kim, E. V. LinderK. W. Min, G. W. Na, M. I. Panasyuk, J. Ripa, V. Reglero, G. F. Smoot, J. E. Suh, S. Svertilov, N. Vedenkin, I. Yashin

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    Abstract

    We report on design, manufacture, and testing of a Slewing Mirror Telescope (SMT), the first of its kind and a part of Ultra-Fast Flash Observatory-pathfinder (UFFO-p) for space-based prompt measurement of early UV/optical light curves from Gamma-Ray Bursts (GRBs). Using a fast slewing mirror of 150 mm diameter mounted on a 2 axis gimbal stage, SMT can deliver the images of GRB optical counterparts to the intensified CCD detector within 1.5~1.8 s over ± 35 degrees in the slewing field of view. Its Ritchey-Chrétien telescope of 100 mm diameter provides a 17 × 17 arcmin2 instantaneous field of view. Technical details of design, construction, the laboratory performance tests in space environments for this unique SMT are described in conjunction with the plan for in-orbit operation onboard the Lomonosov satellite in 2013.

    © 2013 OSA
    Original languageEnglish
    JournalOptics Express
    Volume21
    Issue number2
    Pages (from-to)2263-2278
    ISSN1094-4087
    DOIs
    Publication statusPublished - 2013

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