Dean (astrology)

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Egyptian zodiac with 12 monthly regents and 36 deans. Paris, Louvre
August: Virgo zodiac sign and three decans of the month

Deans are astrology the 36 sections of 10 ° by the subdivision of the 12 characters of the zodiac (zodiac), the signs of the zodiac , produced in three sections.

With the beginning of the late period in the fourth century BC BC merged ancient Egyptian and Babylonian zodiac models, from which the deans known today developed. In ancient Greece, the deans were introduced by the astrologer Teukros of Babylonia in the first century AD. In his work, which is only available in excerpts, he describes the constellations that rose with the deans . Through the Persian astrologer Ja'far ibn Muhammad Abu Ma'shar al-Balkhi , known in the West as Albumasar , and his book Introductorium in Astronomiam , translated into Latin by Johannes Hispaniensis in 1133 , ancient ideas about the deans reached medieval Europe.

The doctrine of the deans found further dissemination through the book Astrolabium planum by the Italian scholar Pietro d'Abano from the 13th century.

The astrolabe Pietros d'Abano was one of the sources for the art of the Middle Ages and Renaissance, and found its expression in ecclesiastical and secular fresco and miniature painting. One of the best-known examples are the deans in the salone dei mesi of the Palazzo Schifanoia in Ferrara .

See also

literature

  • Battistini, Matilde: Astrology, Magic and Alchemy. Berlin 2005. ISBN 3-936324-14-X
  • Dieter Blume: Regents of Heaven. Astrological images in the Middle Ages and Renaissance. Berlin: Akademie Verlag 2000
  • Robert Powell: History of the Zodiac. Tübingen 2007, ISBN 978-3-937077-23-9

Individual evidence

  1. Introduction to Astronomy, Containing the Eight Divided Books of Abu Ma'shar Abalachus . 1506. Retrieved July 16, 2013.