Journal
CUBESATS AND SMALLSATS FOR REMOTE SENSING III
Volume 11131, Issue -, Pages -Publisher
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2530821
Keywords
Thermal imaging; interferometry; Fabry-Perot; CubeSat; Earth Sciences
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Funding
- NASA's Earth Science Technology Office InVEST (In-Space Validation of Earth Science Technologies) program [80NSSC18K1601]
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The HyTI (Hyperspectral Thermal Imager) mission, funded by NASA's Earth Science Technology Office InVEST (In-Space Validation of Earth Science Technologies) program, will demonstrate how high spectral and spatial long-wave infrared image data can be acquired from a 6U CubeSat platform. The mission will use a spatially modulated interferometric imaging technique to produce spectro-radiometrically calibrated image cubes, with 25 channels between 8-10.7.m, at a ground sample distance of similar to 70 m. The HyTI performance model indicates narrow band NE Delta Ts of <0.3 K. The small form factor of HyTI is made possible via the use of a no-moving-parts Fabry-Perot interferometer, and JPL's cryogenically-cooled HOT-BIRD FPA technology. Launch is scheduled for no earlier than October 2020. The value of HyTI to Earth scientists will be demonstrated via on-board processing of the raw instrument data to generate L1 and L2 products, with a focus on rapid delivery of data regarding volcanic degassing, land surface temperature, and precision agriculture metrics
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