Computer Science – Performance
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989lick.rept.....r&link_type=abstract
Final Report Lick Observatory, Santa Cruz, CA.
Computer Science
Performance
Automatic Control, Charge Coupled Devices, Focal Plane Devices, Guidance Sensors, Space Infrared Telescope Facility, Television Cameras, Field Of View, Image Processing, Pointing Control Systems, Signal To Noise Ratios, Spacecraft Control, Star Trackers
Scientific paper
It is expected that the SIRTF payload will use a CCD TV focal plane fine guidance sensor to provide acquisition of sources and tracking stability of the telescope. Work has been done to develop CCD TV cameras and guiders at Lick Observatory for several years and have produced state of the art CCD TV systems for internal use. NASA decided to provide additional support so that the limits of this technology could be established and a comparison between SIRTF requirements and practical systems could be put on a more quantitative basis. The results of work carried out at Lick Observatory which was designed to characterize present CCD autoguiding technology and relate it to SIRTF applications is presented. Two different design types of CCD cameras were constructed using virtual phase and burred channel CCD sensors. A simple autoguider was built and used on the KAO, Mt. Lemon and Mt. Hamilton telescopes. A video image processing system was also constructed in order to characterize the performance of the auto guider and CCD cameras.
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