Abstract
A Magneto-Optical Filter-based system has been proposed as an optional payload for ASI’s low-budget Solar Mission ADAHELI, which has completed its Phase A feasibility study. The instrument is capable of providing simultaneous Dopplergrams, intensity and magnetic solar full-disk maps using the potassium 770 nm and sodium 589 nm solar Fraunhofer lines. The instrument is a version, re-designed for a space environment, of the one which has run an observing campaign at the South Pole in 2008 with unprecedented performance. The MOF-based system we present here is a low-cost, low-weight instrument, thus particularly fit to space applications, capable of providing stability and sensitivity of signals on long-term observations. The instrument will explore regions of the oscillation spectrum not available to other missions’ instruments.
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Moretti, P.F., Berrilli, F., Bigazzi, A. et al. Future instrumentation for solar physics: a double channel MOF imager on board ASI Space Mission ADAHELI. Astrophys Space Sci 328, 313–318 (2010). https://doi.org/10.1007/s10509-009-0251-z
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DOI: https://doi.org/10.1007/s10509-009-0251-z