Article ID: CBB873091723

Babylonian astronomy: a new understanding of column Φ (2020)

unapi

The most discussed and mysterious column within the Babylonian astronomy is column Φ. It is closely connected to the lunar velocity and to the duration of the Saros. This paper presents new ideas for the development and interpretation of column Φ. It combines the excellent Goal-Year method (for the prediction of Lunar Six time intervals) with old ideas and practices from the “schematic astronomy”. Inspired by the old “TU11” rule for prediction of times of lunar eclipses, it proposes that column Φ, in a similar way, used the sum of the Lunar Four to predict times of lunar eclipses as well as the duration of one, 6, and 12 months by means of what usually is called “R–S” schemes. It also explains fully the structure and development of such schemes, a fact that strongly supports the new interpretation of column Φ.

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Authors & Contributors
Steele, John M.
Britton, John P.
Morrison, Leslie V.
Soonthornthum, Boonrucksar
Kurtik, Gennady E.
Hohenkerk, Catherine Y.
Concepts
Astronomy
Lunar eclipses
Eclipses; transits; occultations; conjunctions
Solar eclipse
Moon
Constellations; zodiac
Time Periods
Ancient
Ayutthaya Kingdom (1351–1767)
Jin Dynasty (China, 265-420)
Han dynasty (China, 202 B.C.-220 A.D.)
3rd century
17th century
Places
Mesopotamia
Greece
Middle and Near East
China
Iran
Thailand
Institutions
Maragheh observatory
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