The Carruthers Geocoronal Imager is a dual narrow- and wide-field UV imaging system designed and lab-calibrated to measure exospheric Lyman-alpha radiance with sensitivity to meet mission goals on global and regional scales.
Alignment and ground calibration of the Carruthers GeoCoronal Imager,
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A star-based photometric workflow with algorithm-driven selection and flux inversion is proposed and tested via synthetic data to recover the Carruthers GCI passband to <7% error for Lyman-alpha channels.
Algorithms are presented for on-orbit removal of detector artifacts from raw Lyman-alpha images of the geocorona.
citing papers explorer
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Design and Performance of the Carruthers Geocoronal Imager
The Carruthers Geocoronal Imager is a dual narrow- and wide-field UV imaging system designed and lab-calibrated to measure exospheric Lyman-alpha radiance with sensitivity to meet mission goals on global and regional scales.
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On-orbit Calibration of the Carruthers GCI: Radiometric Sensitivity
A star-based photometric workflow with algorithm-driven selection and flux inversion is proposed and tested via synthetic data to recover the Carruthers GCI passband to <7% error for Lyman-alpha channels.
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On-orbit Calibration of the Carruthers GCI: Instrument Effect Correction
Algorithms are presented for on-orbit removal of detector artifacts from raw Lyman-alpha images of the geocorona.