Constraining ΔT from Babylonian lunar appulse and occultation observations
Open accessAbstract
We examine in detail 15 Babylonian observations of lunar appulses and occultations made between 80 and 419 BC for the purpose of setting useful limits on Earth's clock error, as quantified by $Δ$T, the difference between Terrestrial Time and Universal time. Our results are generally in agreement with reconstructions of $Δ$T using untimed solar eclipse observations from the same period. We suggest a revised version of the simple quadratic fit to $Δ$T in light of the new results.
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References 8 · Cited by 5
- Authors
- Gonzalez, G.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2017-05-29
- Volume
- 470
- Issue
- 2
- Pages
- 1436-1441
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2618517303
- Cited by
- 5
- References
- 8
- Citations by year
- 2023: 1 · 2022: 1 · 2021: 2 · 2018: 1
- FWCI
- 0.15
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Monthly Notices of the Royal Astronomical Society (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Historical Astronomy and Related Studies
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › History and Developments in Astronomy
- Social Sciences › Arts and Humanities › Archeology › Historical and Architectural Studies
- Keywords
- universal time, Earth rotation, Babylonian astronomy, lunar occultations
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