Overview
Hipparchus was an Astronomer.
Life and dates
Attested activity
- BC 147 to BC 127 依巴谷朔策定數Strongly inferred · Draft History of Qing 47, passage 121
Origins and identity
- Westerner 西人Directly stated · Draft History of Qing 47, passage 121
Career and standing
- astronomer 測天者Strongly inferred · Draft History of Qing 47, passages 121, 127
Events and relationships
- His adopted daily motion relative to the node was retained after a one micro unit discrepancy from two later eclipsesAstronomical · AuthorityDirectly stated · Draft History of Qing 47, passage 127
- Supplied synodic constant 5458 and nodal revolution constant 5923 used to count nodal revolutions between two lunar eclipsesAstronomical · AuthorityDirectly stated · Draft History of Qing 47, passage 121
Source notes
- The Qing calculation still uses Hipparchus's nodal-motion figure despite a 1‴ difference from the Shunzhi–Kangxi eclipse pair.Directly stated · Draft History of Qing 47, passage 127
References in the histories
No matching passages.