New method for reduction of astrolabe observations using rectangular coordinates on the celestial sphere |
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Authors: | L. A. Kivioja J. A. Mihalko |
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Affiliation: | (1) School of Civil Engineering, Purdue University, 47907 West Lafayette, Indiana, (U.S.A.) |
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Abstract: | A new reduction method usingx, y, z-coordinates is derived for astrolabe observations. By this method, the latitude and the longitude of the station are computed without the need of a priori knowledge of the station position. This method is a significant development in data reduction of astrolabe and other almucantar observations due to its mathematical exactness, simplicity, and the ease of handling the associated statistics. |
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