Alfonsine tables


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Alfonsine tables

or

Alphonsine tables

(ălfŏn`sĭn), compilation of astronomical data tabulating the positions and movements of the planets, completed c.1252 and printed in Venice in 1483. They were a revision and improvement of the Ptolemaic tables and were compiled at Toledo, Spain, by about 50 astronomers assembled for the purpose by Alfonso X of Castile.
References in periodicals archive ?
The Alfonsine Tables and Copernicus", Manuscripta, vol.
En un principio crei tener entre mis manos la confirmacion de que ese fuera un ejemplar que pertenecio a Copernico, pero mas adelante descubri el "engano" de esta firma gracias al articulo del profesor Edward Rosen, "The Alfonsine Tables and Copernicus", Manuscripta, vol.
Gingerich en su articulo "The Alfonsine Tables in the Age of Printing", en De Astronomia Alphonsi Regis, 1987, menciona por encima esta version y la situa en el 1503.
The Clerk calculates lunar and solar positions from a set of "Toledan tables," a reference either to those prepared in the 11th century by the astronomer al-Zarqali at Toledo, Spain, or to the Alfonsine Tables compiled at the same city in the 13th century under the direction of King Alfonso X (S&T: March 1985, page 206).
To demonstrate that medieval astronomers could have recognized the unusual nature of this event, the second table on page 48 includes the times that we calculated by hand from a copy of the Alfonsine Tables.
20-21 Increased tidal range Calculated by Calculated from modern methods Alfonsine Tables Dec.