Automated astroposition determination using sensor array systems

Details Automated astroposition determination using sensor array systems Automated astroposition determination using sensor array systems

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977itim...26..197c&link_type=abstract

IEEE Transactions on Instrumentation and Measurement, vol. IM-26, Sept. 1977, p. 197-200.

Astronomy and Astrophysics

Astronomy

Astrometry, Longitude Measurement, Optical Tracking, Position Errors, Signal Processing, Star Trackers, Astronomical Photography, Feasibility Analysis, Instrument Errors, Matrices (Circuits), Micrometers, Remote Sensors, Sensitivity, Timing Devices

Scientific paper

A method for determining astronomic position which involves an optical sensor array instead of the conventional optical micrometer is tested. The experimental apparatus, which includes a T-4 theodolite, a 50 by 50-element self-scanning photodiode array and an electronic signal processor, is described; both laboratory simulations and actual observations of stars were conducted using the system. The automatic position determination has the advantage of eliminating human errors, especially those associated with human reaction times. It is suggested that modifications in the experimental apparatus could increase resolution to 0.1 arcsecond and allow for detection of stars as faint as the sixth or seventh magnitude.

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