Computer Science – Performance
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985radi.rept......&link_type=abstract
Final Report Radiometrics, Inc., Huntsville, AL.
Computer Science
Performance
Inertial Guidance, Simulation, Star Distribution, Star Trackers, Stellar Luminosity, Celestial Navigation, Inertial Navigation, Stellar Magnitude
Scientific paper
A Star Field Simulator has been developed to serve as a source of radiation for the ASTRO Star Tracker. The star tracker and simulator are components of a motion compensation test facility located at Marshall Space Flight Center in Huntsville, Alabama. Preflight tests and simulations using various levels of guide stars are performed in the test facility to establish performance of the motion compensation system before being used in a flight environment. The ASTRO Star Tracker operates over a wide dynamic range of irradiance corresponding to visual stellar magnitudes of -0.8 to 8. A minimum of three simulated guide stars with variable magnitudes are needed to fully test the Star Tracker performance under simulated mission conditions.
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