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- W2022371391 abstract "While the Image Tube, Image Dissector Scanner (ITS) has been used for 8 years to take spectra of faint objects, the image tube gain is sufficient to support a larger number of pixels than is currently being used for spectroscopy. We have recently built a 32K memory and sweep control circuitry that can provide up to 128 scan lines, although only 64 have been used as yet. Initial tests of the two-dimensional capability of the ITS are encouraging; the system seems to be linear and has a wide dynamic range. Planned applications include broad band photometry and near simultaneous recording of two 64 x 256 pixel fields for polarization measurements. The equipment has been used to date to take multiple spectra from a polarimeter and of extended objects. Because the ITS outputs data continuously, the data can be used to generate error signals for telescope guiding. The ability to analyze the data in real time makes it feasible to record images in small fields in such a way that data are only stored during moments of good seeing.© (1979) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only." @default.
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- W2022371391 date "1979-05-03" @default.
- W2022371391 modified "2023-09-23" @default.
- W2022371391 title "<title>Two Dimensional Imaging With The Lick Observatory Image Dissector Scanner</title>" @default.
- W2022371391 doi "https://doi.org/10.1117/12.957067" @default.
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