Summary
FOXSI is a sounding rocket experiment that applies direct-focus hard X-ray optics to study high-energy solar phenomena, overcoming the sensitivity and dynamic-range limitations of previous indirect-imaging approaches. The paper describes the instrument design and reports results from two successful flights conducted in 2012 and 2014, with plans for a third mission. This work advances the capability to diagnose particle acceleration and coronal heating mechanisms via direct observation of hard X-ray emission from solar flares.
UK applicability
This is solar physics research with no direct applicability to UK farming systems, soil health, or food production.
Key measures
Hard X-ray sensitivity and imaging quality in the 4–20 keV photon energy band; instrument performance metrics from two sounding rocket flights
Outcomes reported
The paper reports on the development, optimisation, and first two successful flights of the FOXSI sounding rocket experiment, which uses focusing hard X-ray optics to observe solar flares and energetic processes in the solar corona in the 4–20 keV range.
Topic tags
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