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HYTI: thermal hyperspectral imaging from a CubeSat platform
Author(s): Robert Wright; Miguel Nunes; Paul Lucey; Luke Flynn; Sarath Gunapala; David Ting; Sir Rafol; Alexander Soibel; Chiara Ferrari-Wong; Andrea Gabrieli; Prasad Thenabail
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Paper Abstract

The HyTI (Hyperspectral Thermal Imager) mission, funded by NASA’s Earth Science Technology Office InVEST (InSpace 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 μm, at a ground sample distance of ~70 m. The HyTI performance model indicates narrow band NEΔTs 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.

Paper Details

Date Published: 30 August 2019
PDF: 6 pages
Proc. SPIE 11131, CubeSats and SmallSats for Remote Sensing III, 111310G (30 August 2019); doi: 10.1117/12.2530821
Show Author Affiliations
Robert Wright, Hawai‘i Institute of Geophysics and Planetology (United States)
Miguel Nunes, Univ. of Hawai'i at Manoa (United States)
Paul Lucey, Hawai‘i Institute of Geophysics and Planetology (United States)
Luke Flynn, Hawai‘i Institute of Geophysics and Planetology (United States)
Sarath Gunapala, Jet Propulsion Lab. (United States)
David Ting, Jet Propulsion Lab. (United States)
Sir Rafol, Jet Propulsion Lab. (United States)
Alexander Soibel, Jet Propulsion Lab. (United States)
Chiara Ferrari-Wong, Hawai‘i Institute of Geophysics and Planetology (United States)
Andrea Gabrieli, Hawai‘i Institute of Geophysics and Planetology (United States)
Prasad Thenabail, U.S. Geological Survey (United States)


Published in SPIE Proceedings Vol. 11131:
CubeSats and SmallSats for Remote Sensing III
Thomas S. Pagano; Charles D. Norton; Sachidananda R. Babu, Editor(s)

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