Qin and Han · Astronomer and Scholar

Hipparchus 依巴谷

Yibagu

Attested BC 147 - BC 127

Passages
1
Chapters
1
Histories
1

Overview

Hipparchus was an Astronomer and Scholar.

IdentityHistorical · Male

Life and dates

Attested activity

Origins and identity

Career and standing

Places and affiliations

Works and attributed material

  • method for lunar mean motion from commensurate eclipse cycles 依巴谷法
    Relation Author
  • 126,007 days 4 quarters as the commensurate interval of the two lunar-eclipse cycles, after which syzygies and anomalistic revolutions return to the start 一十二萬六千零七日四刻為兩月食各率齊同之距,會望轉終,皆復其始
    Method · Author · Paraphrased

Events and relationships

  • Determined commensurate lunar eclipse interval
    Scholarly · Formulator · Outcome 4,267 syzygies and 4,573 anomalistic revolutions in 126,007 days 4 quarters 會望者四千二百六十七,轉終者四千五百七十三

Source notes

References in the histories

Draft History of Qing, Chapter 47Volume 47 Treatises 22: Calendar 3 · 1 passage