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Title: Opto-mechanical assembly and ground calibration of LUCI
Authors: Mathew, J
Nair, B. G.
Sriram, S
Kamath, P. U
Prakash, A
Mayuresh, Sarpotdar
Ambily, S
Nirmal, K
Sreejith, A. G
Safonova, M
Murthy, J
Brosch, Noah
Keywords: UV space instrumentation;Opto-mechanical assembly;Calibration;UV astronomy
Issue Date: Jul-2018
Publisher: SPIE--The International Society for Optical Engineering
Citation: Proceedings of the SPIE, Vol. 10699, pp.106992V-1-106992V-10
Abstract: The Lunar Ultraviolet Cosmic Imager (LUCI) is an innovative all-spherical mirrors telescope, proposed to fly as a scientific UV imaging payload on a lunar mission in collaboration with Indian Aerospace Company-TeamIndus, Axiom Research Labs Pvt. Ltd. Observations from the Moon provide a unique opportunity to observe the sky from a stable platform far above the Earths atmosphere. LUCI will observe at a fixed elevation angle and will detect stars in the near ultraviolet (200-320 nm) to a limiting magnitude of 12 AB, with a field of view of around 0.5 degrees. The primary science goal is to search for transient sources and flag them for further study. The instrument has been assembled in the class 1000 clean room at the M.G.K Menon Laboratory for Space Sciences. Here we will describe the optomechanical assembly procedures we have carried out during the optical alignment and integration of the payload. Opto-mechanical alignment of the instrument was carried out by using alignment telescope cum autocollimator (for coarse alignment) and ZYGO interferometer (fine alignment). We will also discuss the ground calibration tests performed on the assembled telescope. The results from the ground calibration activities will help in establishing the full calibration matrix of the instrument once operational.
Description: Restricted Access
ISSN: 1996-756X
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Appears in Collections:IIAP Publications

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