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Optical Engineering

Inflight performance characteristics, calibration, and utilization of the Galileo solid state imaging camera
Author(s): Kenneth P. Klaasen; Michael J.S. Belton; H. Herbert Breneman; Alfred S. McEwen; Merton Davies; Robert J. Sullivan; Clark R. Chapman; Gerhard Neukum; Catherine M. Heffernan; Ann P. Harch; James M. Kaufman; William J. Merline; Lisa R. Gaddis; William F. Cunningham; Paul Helfenstein; Timothy Colvin
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Paper Abstract

The solid-state imaging subsystem (SSI) on NASA’s Galileo Jupiter orbiter spacecraft has already demonstrated its superior performance as a scientific imager by returning stunning pictures of several planetary bodies as well as detailed inflight calibration data during its cruise to Jupiter. The SSI inflight performance remains excellent; the instrument calibration is stable and accurate. Improved determinations of the SSI’s absolute spectral radiometric response and scattered-light properties have been made. Evaluation of the camera’s point spread function suggests that the focus setting may be slightly nonoptimum, but the spatial resolution in returned images is still very good. The shielding of the SSI’s CCD detector against energetic particle radiation appears to be adequate for operation in Jupiter’s intense radiation field. New camera modes, onboard editing and data compression capabilities, and an adaptive mission operations plan have been implemented for the Jupiter orbital mission phase in order to mitigate the effects of a spacecraft anomaly that limits the allowable data return rate from Jupiter. These new capabilities are expected to allow the accomplishment of a historic scientific investigation of the Jupiter system using the SSI.

Paper Details

Date Published: 1 November 1997
PDF: 27 pages
Opt. Eng. 36(11) doi: 10.1117/1.601525
Published in: Optical Engineering Volume 36, Issue 11
Show Author Affiliations
Kenneth P. Klaasen, Jet Propulsion Lab. (United States)
Michael J.S. Belton, Kitt Peak National Observatory (United States)
H. Herbert Breneman, Jet Propulsion Lab. (United States)
Alfred S. McEwen, Univ. of Arizona (United States)
Merton Davies, RAND (United States)
Robert J. Sullivan, Arizona State Univ. (United States)
Clark R. Chapman, Southwest Research Institute (United States)
Gerhard Neukum, DLR Institut fuer Planetenerkundung (Germany)
Catherine M. Heffernan, Jet Propulsion Lab. (United States)
Ann P. Harch, Cornell Univ. (United States)
James M. Kaufman, Jet Propulsion Lab. (United States)
William J. Merline, Univ. of Arizona (United States)
Lisa R. Gaddis, U.S. Geological Survey (United States)
William F. Cunningham, Jet Propulsion Lab. (United States)
Paul Helfenstein, Cornell Univ. (United States)
Timothy Colvin, RAND (United States)

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