19 October 1993 Performance of the MART-LIME high-energy detector
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MART-LIME is a coded mask imaging telescope to be flown onboard the international observatory SPECTRUM X-(Gamma) in 1995. This high-energy instrument, the center of which is a high-pressure proportional counter sensitive to the 5 - 150 keV energy range, will be characterized by a limiting sensitivity of about 1 milliCrab for a 105 s observation period. The imaging capability of the instrument is provided by a coded-mask aperture system, used in conjunction with a position sensitive detector. The basic pattern of the coded aperture is a 71 X 73 URA mask (twin prime). With the addition of an outer frame comprising 18 pixels on each side, a fully coded field-of-view of 2.6 degree(s) X 2.6 degree(s) is obtained, while a partially coded field-of-view is achieved up to 6 degree(s). Test procedures used to determine the performance of the MART-LIME detector are discussed. Results showing the spectroscopic capabilities of a Laboratory-Prototype detector are presented.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
L. Waldron, L. Waldron, Pietro Ubertini, Pietro Ubertini, Angela Bazzano, Angela Bazzano, C. D. La Padula, C. D. La Padula, Christopher J. Hall, Christopher J. Hall, Robert A. Lewis, Robert A. Lewis, Marie Eleanore Soggiu, Marie Eleanore Soggiu, } "Performance of the MART-LIME high-energy detector", Proc. SPIE 1948, Astroparticle Physics and Novel Gamma-Ray Telescopes, (19 October 1993); doi: 10.1117/12.161379; https://doi.org/10.1117/12.161379

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