Computer Science – Performance
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sshm.meets....g&link_type=abstract
AAS, AIAA, IEEE, ORSA, and IMS, Meeting on Space Shuttle Missions of the 80's, Denver, Colo., Aug. 26-28, 1975, AAS 10 p.
Computer Science
Performance
Astrometry, Guidance Sensors, Hubble Space Telescope, Prisms, Star Trackers, Breadboard Models, Error Signals, Gratings (Spectra), Signal Stabilization, Signal To Noise Ratios, Solar System
Scientific paper
A recently developed star-tracking sensor is shown to be eminently suited for the Large Space Telescope (LST) because of its inherent stability and its ability to obtain diffraction-limited performance at the edge of the LST field of view without a complex set of field correctors to eliminate the telescope astigmatism. Using a 13th-magnitude guide star, it can supply a tracking signal to the telescope with noise equivalent to 0.002 arc-second at a 5-Hz noise equivalent bandwidth. It is also suitable for astrometric measurements to determine stellar parallaxes and proper motions. A breadboard fully demonstrates the performance capability of the sensor.
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