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The effect of realistic surface properties on low temperature space observatories
Authors:Rob Blake  Barrie W Jones
Institution:(1) Physics Department, The Open, University, MK7 6AA Milton Keynes, UK
Abstract:We highlight the effect on space-telescope temperatures of thedirectionality of the radiative properties of materials, by showing results from a Monte-Carlo simulation of telescope cooling. The need for further measurements of directional properties is stressed.
Keywords:space telescopes  infrared telescopes  Monte-Carlo method  bi-directional reflectance  directional emittance  directional absorptance  telescope cooling
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