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Analemma
(176 words)

[German version]

(ἀνάλημμα; análēmma)‘Recording’, ‘outline’, general: geometric or arithmetic method for determining the height of an object by measuring the angle; especially: projection of the heights of the sun with the help of a line network on the horizontal level of sundials with uneven length of hours, depending on the geographical latitude. The principle is based on the length ratio of a  gnomon to its shadow's length at midday on the equinox and three vertical reference levels in pairs: meridian, horizon and first vertical (zenith arc). Dealt with…

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Hübner, Wolfgang (Münster), “Analemma”, in: Brill’s New Pauly, Antiquity volumes edited by: Hubert Cancik and , Helmuth Schneider, English Edition by: Christine F. Salazar, Classical Tradition volumes edited by: Manfred Landfester, English Edition by: Francis G. Gentry. Consulted online on 28 February 2020 <http://dx.doi.org/10.1163/1574-9347_bnp_e119890>
First published online: 2006
First print edition: 9789004122598, 20110510



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