Summary
This paper presents the FOXSI-4 sounding rocket payload, an upgraded solar X-ray observatory employing direct focusing optics for high-resolution observation of solar flares. The instrument incorporates polished Wolter-I mirrors, finely pixelated silicon CMOS sensors, and cadmium-telluride strip detectors, alongside novel perforated attenuators enabling simultaneous low and high energy spectral observations. The mission is coordinated with the Parker Solar Probe to advance understanding of astrophysical phenomena through enhanced spatial and spectral imaging.
UK applicability
This is astrophysical instrumentation research with no direct application to UK farming, soil health, nutrient density or human nutrition. The work may indirectly support fundamental science capacity but lies outside Vitagri's Pulse Brain scope.
Key measures
Angular resolution of X-ray optics; photon rate capability; imaging dynamic range; spectral sensitivity across low and high energy components
Outcomes reported
The FOXSI-4 sounding rocket instrument development report describes upgraded X-ray focusing optics and detectors for observing fine spatial structures in solar flares with improved sensitivity and dynamic range.
Topic tags
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