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Paper: Representations of Distortions in FITS World Coordinate Systems
Volume: 314, Astronomical Data Analysis Software and Systems XIII
Page: 551
Authors: Calabretta, M.R.; Valdes, F.; Greisen, E.W.; Allen, S.L.
Abstract: Of particular interest to the fields of astrometry and spectroscopy, the fourth in a series of papers defining conventions for encoding world coordinate information in FITS headers will consider the problem of representing small systematic errors, or distortions. Here we present a preview of work in progress.
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