Hipparchus

2nd century Greek astronomer, geographer and mathematician
Person human Q159905
Hipparchus
William Henry Smyth · Public Domain · Wikimedia
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Hipparchus

Summary

Hipparchus is a human[1]. He was born in Nicaea[2]. He was born on -0190-00-00T00:00:00Z[3]. He passed away in Rhodes[4]. He died on -0120-00-00T00:00:00Z[5]. He worked as an astronomer[6], mathematician[7], and geographer[8]. He ranks in the top 0.7% of human entities by monthly Wikipedia readership (462 views/month, #7,018 of 1,000,298).[9]

Key Facts

  • Hipparchus was born in Nicaea[2].
  • Hipparchus died in Rhodes[4].
  • Hipparchus was born on -0190-00-00T00:00:00Z[3].
  • Hipparchus died on -0120-00-00T00:00:00Z[5].
  • Hipparchus held citizenship in Kingdom of Pergamon[10].
  • Hipparchus's professions included astronomer[6].
  • Hipparchus worked as a mathematician[7].
  • Hipparchus worked as a geographer[8].
  • Hipparchus's field of work was astronomy[11].
  • A notable work attributed to Hipparchus is Ton Aratou kai Eudoxou Phainomenon exegeseos biblia tria[12].
  • A notable work attributed to Hipparchus is Against the Geography of Eratosthenes[13].
  • A notable work attributed to Hipparchus is On Bodies Carried Down by Their Weight[14].
  • A notable work attributed to Hipparchus is Hipparchus star catalog[15].
  • A notable work attributed to Hipparchus is On Sizes and Distances[16].
  • A notable work attributed to Hipparchus is Schröder–Hipparchus number[17].
  • Hipparchus received the International Space Hall of Fame[18].
  • Hipparchus's image is recorded as Head of Hipparchus (cropped).jpg[19].
  • Hipparchus is recorded as male[20].
  • Hipparchus's instance of is recorded as human[21].
  • Hipparchus's ISNI is recorded as 0000000107855341[22].
  • Hipparchus's VIAF cluster ID is recorded as 17570519[23].
  • Hipparchus's VIAF cluster ID is recorded as 302240082[24].
  • Hipparchus's VIAF cluster ID is recorded as 305858661[25].
  • Hipparchus's VIAF cluster ID is recorded as 3521159820942514000009[26].
  • Hipparchus's VIAF cluster ID is recorded as 412145857098422922241[27].

Body

Origins and Family

Hipparchus's place of birth was Nicaea[2]. He was born on -0190-00-00T00:00:00Z[3].

Career and Affiliations

Recorded occupations include astronomer[6], mathematician[7], and geographer[8]. Hipparchus's field of work was astronomy[11].

Works and Contributions

Notable works include Ton Aratou kai Eudoxou Phainomenon exegeseos biblia tria[12]; Against the Geography of Eratosthenes[13]; On Bodies Carried Down by Their Weight[14]; Hipparchus star catalog[15]; On Sizes and Distances[16], a written work[28], written by him[29]; and Schröder–he number[17], a mathematical concept[30]. Things named for him include Hipparcos[31], a space telescope[32]; he[33], an impact crater[34]; and 4000 he[35], an asteroid[36].

Recognition

Hipparchus received the International Space Hall of Fame[18].

Death and Burial

Hipparchus died on -0120-00-00T00:00:00Z[5]. He passed away in Rhodes[4].

Why It Matters

Hipparchus ranks in the top 0.7% of human entities by monthly Wikipedia readership (462 views/month, #7,018 of 1,000,298).[9] He has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[37] He is known by 39 alternative names across languages and contexts.[38]

He is credited with the discovery of Double Cluster[39], an open cluster[40] and inex[41], an eclipse cycle[42]. Entities named for him include Hipparcos[31], a space telescope[32]; he[33], an impact crater[34]; and 4000 he[35], an asteroid[36].

FAQs

Where was Hipparchus born?

Hipparchus's place of birth was Nicaea[2].

Where did Hipparchus die?

Hipparchus died in Rhodes[4].

What did Hipparchus do for work?

Hipparchus worked as astronomer[6], mathematician[7], and geographer[8].

What awards did Hipparchus receive?

Honors received include International Space Hall of Fame[18].

What did Hipparchus discover?

Hipparchus is credited as discoverer of Double Cluster[39] and inex[41].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [19] . wikidata.org.
  2. [2] . MacTutor History of Mathematics archive. wikidata.org.
  3. [4] . wikidata.org.
  4. [20] . wikidata.org.
  5. [10] . wikidata.org.
  6. [21] . wikidata.org.
  7. [11] . wikidata.org.
  8. [6] . wikidata.org.
  9. [7] . wikidata.org.
  10. [8] . wikidata.org.
  11. [18] . El Paso Times. Retrieved . nmspacemuseum.org. Provenance: wikidata.org.
  12. [22] . wikidata.org.
  13. [23] . Perseus Catalog. Retrieved . wikidata.org.
  14. [24] . Retrieved . wikidata.org.
  15. [25] . wikidata.org.
  16. [26] . wikidata.org.
  17. [27] . wikidata.org.
  18. [3] . wikidata.org.
  19. [5] . wikidata.org.
  20. [12] . wikidata.org.
  21. [13] . wikidata.org.
  22. [14] . wikidata.org.
  23. [15] . wikidata.org.
  24. [16] . wikidata.org.
  25. [17] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [39] . wikidata.org. → on this site
  2. [41] . wikidata.org. → on this site
  3. [31] . wikidata.org. → on this site
  4. [33] . wikidata.org. → on this site
  5. [35] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [40] . Wikidata. wikidata.org. → on this site
  5. [42] . Wikidata. wikidata.org. → on this site
  6. [32] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [36] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [37] . Wikidata sitelinks. wikidata.org.
  3. [38] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Hipparchus. Retrieved April 18, 2026, from https://4ort.xyz/entity/hipparchus
MLA “Hipparchus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Apr. 2026, https://4ort.xyz/entity/hipparchus.
BibTeX @misc{4ortxyz_hipparchus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hipparchus}}, year = {2026}, url = {https://4ort.xyz/entity/hipparchus}, note = {Accessed: 2026-04-18}}
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