The detection of faint space objects using solid state imaging detectors

Physics

Scientific paper

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Image Processing, Interferometry, Solid State Devices, Aerospace Environments, Binary Stars, Charge Coupled Devices, Detection, Errors, Power Spectra, Star Trackers, Stellar Atmospheres

Scientific paper

Speckle interferometry has been carried out during the last year with a charge-coupled device (CCD) imaging system. The emphasis of this project has been to minimize all systematic differences that arise between the images of stars in a binary star system and a reference calibration star in order to resolve a previously unresolved binary star system. Systematic errors have been minimized to the level of parts in 10,000 in the power spectrum of a stellar image. This was accomplished by using a 64x64 pixel area near the readout amplifier to minimize charge smearing, by stabilizing our CCD system to the level of a few parts in 100,000, and by using a prism system to compensate for atmospheric dispersion.

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