Status of USNO Testing of CCDs for Space Astrometry Missions

Details Status of USNO Testing of CCDs for Space Astrometry Missions Status of USNO Testing of CCDs for Space Astrometry Missions

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..338..355d&link_type=abstract

Astrometry in the Age of the Next Generation of Large Telescopes, ASP Conference Series, Vol. 338, Proceedings of a meeting held

Computer Science

Performance

Scientific paper

We report on the laboratory testing of two candidate CCDs for space astrometry missions: the STA700 and e2v CCD43 models. We measured noise, dark current and charge transfer inefficiency for both CCDs after high energy proton irradiation at a level equivalent to five years on-orbit for HST, and assessed how effective the radiation damage mitigation capabilities were for each detector. Neither detector fully meets AMEX-level requirements for high-speed, low-noise, radiation hard performance. We discuss future work that should result in development of CCDs that will meet requirements for space astrometry.

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