Development of a low-cost miniature star mapper

Details Development of a low-cost miniature star mapper Development of a low-cost miniature star mapper

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.3116...38l&link_type=abstract

Proc. SPIE Vol. 3116, p. 38-48, Small Spacecraft, Space Environments, and Instrumentation Technologies, Firooz A. Allahdadi; E.

Physics

Scientific paper

The recent availability of highly integrated CMOS image sensing arrays at low cost has made the goal of an affordable, low power, low weight attitude control sensor attainable. One such device is incorporated into the MSM-100 from Santa Barbara Sensor Technologies and includes a 160 by 160 sensing array, clock driving circuitry and an eight bit A/D converter. Output may be selected as either the analog pixel signal level or digitized data in either parallel or serial format. This sensor was coupled with an 8 mm f/1.3 lens and tested for star image sensitivity by Santa Barbara Sensor Technologies. Signal data were collected from stars of magnitude 1.5 and brighter in a 12 degree square field of view at a rate of 1.2 frames per second. The sensitivity limit in the present configuration is a star of magnitude 2.0 at a S/N ratio of 10.

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