PAL

Ptolemaeus Arabus et Latinus

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Work A.5

Ptolemy
Analemma (Greek)

The Analemma (Greek: Περὶ ἀναλήμματος) deals with the means for plotting the celestial coordinates of the Sun or any other heavenly body for any geographical latitude at any time, which is relevant, e.g., to the construction of sundials. The original text is lost in Greek, except for a number of fragments, and survives in full in Latin only (A.5.1).

Bibl. J.-B.-J. Delambre, Histoire de l’astronomie ancienne, Paris, 1817, II, 458-503; J. L. Heiberg, ‘Ptolemäus de Analemmate’, Abhandlungen zur Geschichte der Mathematik 7 (1895), 1-30; J. L. Heiberg, Claudii Ptolemaei opera quae exstant omnia, II: Opera astronomica minora, Leipzig, 1907, xi-xii and clxxix; P. Luckey, ‘Das Analemma von Ptolemäus’, Astronomische Nachrichten 230 (1927), no. 5498, 17-46; A. G. Drachmann, ‘Heron and Ptolemaeios’, Centaurus 1 (1951), 117-131; O. Neugebauer, A History of Ancient Mathematical Astronomy, Berlin-New York, 1975, II, 839-856; D. R. Edwards, Ptolemy’s “Peri Analemmatos” – an Annotated Transcription of Moerbeke’s Latin Translation and of the Surviving Greek Fragments, with an English Version and Commentary, PhD dissertation, Brown University, 1984; R. Sinisgalli, S. Vastola, L’Analemma di Tolomeo, Firenze, 1992; N. Sidoli, Ptolemy’s Mathematical Approach: Applied Mathematics in the Second Century, PhD dissertation, University of Toronto, 2004, 182-211; O. Pedersen, A Survey of the Almagest. With Annotation and New Commentary by Alexander Jones, New York-Dordrecht, 2011 (first edition 1974), 403-404; C. Tolsa, Claudius Ptolemy and Self-Promotion. A Study on Ptolemy’s Intellectual Milieu in Roman Alexandria, PhD dissertation, Universitat de Barcelona, 2013, 243-245; J. Guerola Olivares, El Collegio Romano I els orígens de la trigonometria: De l’Analemma de Ptolemeu a la gnomonica de Clavius, PhD dissertation, Universitat Autònoma de Barcelona, 2018, 50-145; N. Sidoli, ‘Mathematical Methods in Ptolemy’s Analemma’, in Ptolemy’s Science of the Stars in the Middle Ages, eds D. Juste, B. van Dalen, D. N. Hasse, C. Burnett, Turnhout, 2020, 35-77.

Modern ed. The extant Greek fragments have been edited by Heiberg, ‘Ptolemäus’, 10-25; Heiberg, Claudii Ptolemaei, 194-216; and Edwards, 136-151.