16 juill. 2045 av. J.-C. - ANCHOR Heliacal Rising of Sirius

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EGYPTIAN CHRONOLOGY THROUGH ASTRONOMICALLY DATED SYNCHRONISMS by Gerard Gertoux

Astronomy makes it possible to have an anchor on an absolute date because the reign of Mentuhotep II (2045-1994) was marked by a heliacal rising of Sirius dated year [1], II Peret 21 (Tetley: 2014, 45). Since the heliacal rising of Sirius (the brightest star in the sky) took place each year on the same date, those indicated were those that coincided with the heliacal rising of Venus (the brightest planet in the sky), as this coincidence only occurred every 243 years. However, this coincidence depended on the latitude of observation (Van Oosterhout: 1993, 83-96).

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