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Der Stern Sirius im Alten Ägypten
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID 992679
Author(s) Gautschy, Rita
Author(s) at UniBasel Gautschy, Rita
Year 2011
Title Der Stern Sirius im Alten Ägypten
Journal Zeitschrift für Ägyptische Sprache und Altertumskunde
Volume 138
Number 2
Pages / Article-Number 116-131
Keywords Sirius, Sothic data, chronology, heliacal rising

Recorded dates of heliacal risings of the star Sirius as reported from ancient Egypt have been used for chronological purposes for more than 100 years. This paper presents new calculations of heliacal risings and settings of Sirius for different places in Egypt and discusses the influences of various parameters and their uncertainties on the results. Comparison with ancient Egyptian observations gives a mean value for the arcus visionis of Sirius of about 10°, with plausible values between 9° and 11° depending on the transparency of the atmosphere. This means that a date of a heliacal rising or setting of Sirius, which was recorded in the Egyptian calendar, can pin down the absolute dating of the observation to 12 years, if one assumes that the place of observation is known and if no further information, e.g. lunar data, is available. All results of the calculations are accessible online.

Publisher Akademie-Verlag
ISSN/ISBN 0044-216X ; 2196-713X
Full Text on edoc Available
Digital Object Identifier DOI 10.1524/zaes.2011.0010
ISI-Number WOS:000298311200002
Document type (ISI) Article

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