Journal
PLANETARY AND SPACE SCIENCE
Volume 55, Issue 9, Pages 1190-1196Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pss.2006.11.020
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The Swedish Institute of Space Physics is developing a miniature plasma analyzer for planetary missions (MIPA-Miniature ion precipitation analyzer). MIPA has been accepted to fly on-board both the ESA BepiColombo mission to Mercury (2014) and the Indian Chandrayaan-1 mission to the Moon (2007). The analyzer measures ions in the energy range 10eV-15 keV and has a sufficient mass resolution to resolve the main groups of ions, namely M/q = 1, 2,4,8, 16, > 30. Field of view is 9 degrees x 180 degrees. The instrument consists of the sensor head and a separate electronic board whose total mass is 300 g. The sensor head envelope is roughly 53 x 85 x 30 mm(3) in volume and is designed for the extreme operation temperature range of -100 to + 125 degrees C. MIPA comprises an electrostatic scanner for angular resolution, a cylindrical electrostatic analyzer for energy discrimination and a time-of-flight (TOF) section for particle velocity measurement. Generic design allows using the instrument on various platforms including nano-satellite and multi-spacecraft missions. This document describes the design of the sensor part including ion optical as well as mechanical aspects. (c) 2007 Elsevier Ltd. All rights reserved.
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