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IC 4665

open cluster in the constellation Ophiuchus
Place open_cluster Q1653342
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Summary

IC 4665 is an open cluster[1]. It draws 18 Wikipedia views per month (open_cluster category, ranking #26 of 108).[2]

Key Facts

  • IC 4665 is credited with the discovery of Jean-Philippe de Cheseaux[3].
  • IC 4665's image is recorded as IC 4665.png[4].
  • IC 4665's instance of is recorded as open cluster[5].
  • IC 4665's constellation is recorded as Ophiuchus[6].
  • IC 4665's part of is recorded as Milky Way[7].
  • IC 4665's Commons category is recorded as IC 4665[8].
  • IC 4665's catalog code is recorded as IC 4665[9].
  • IC 4665's catalog code is recorded as Collinder 349[10].
  • IC 4665's catalog code is recorded as Melotte 179[11].
  • IC 4665's catalog code is recorded as OCl 85[12].
  • IC 4665's catalog code is recorded as OCl 85.0[13].
  • IC 4665's catalog code is recorded as C 1743+057[14].
  • IC 4665's catalog code is recorded as [KPS2012] MWSC 2689[15].
  • IC 4665's time of discovery or invention is recorded as +1745-00-00T00:00:00Z[16].
  • IC 4665's Freebase ID is recorded as /m/03xcgg[17].
  • IC 4665's apparent magnitude is recorded as {'amount': '+4.49'}[18].
  • IC 4665's apparent magnitude is recorded as {'amount': '+4.2'}[19].
  • IC 4665's parallax is recorded as {'unit': 'milliarcsecond', 'amount': '+2.8918'}[20].
  • IC 4665's radial velocity is recorded as {'unit': 'kilometre per second', 'amount': '-11.26'}[21].
  • IC 4665's metallicity is recorded as {'amount': '-0.03'}[22].
  • IC 4665's distance from Earth is recorded as {'unit': 'parsec', 'amount': '+352'}[23].
  • IC 4665's SIMBAD ID is recorded as IC 4665[24].
  • IC 4665's right ascension is recorded as {'unit': 'degree', 'amount': '+266.5750'}[25].
  • IC 4665's declination is recorded as {'unit': 'degree', 'amount': '+5.7167'}[26].
  • IC 4665's epoch is recorded as J2000.0[27].

Body

Geography

IC 4665's part of is recorded as Milky Way[7].

Designation and Status

IC 4665's instance of is recorded as open cluster[5].

History and Context

Catalog codes include IC 4665[9], Collinder 349[10], Melotte 179[11], OCl 85[12], OCl 85.0[13], and C 1743+057[14].

Why It Matters

IC 4665 draws 18 Wikipedia views per month (open_cluster category, ranking #26 of 108).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[28]

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . SIMBAD. wikidata.org.
  3. [6] ↑ . VizieR. wikidata.org.
  4. [3] ↑ . messier.seds.org. Retrieved . messier.seds.org. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . SIMBAD. wikidata.org.
  8. [10] ↑ . On Structural Properties of Open Galactic Clusters and their Spatial Distribution. Catalog of Open Galactic Clusters. wikidata.org.
  9. [11] ↑ . A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates. wikidata.org.
  10. [12] ↑ . SIMBAD. wikidata.org.
  11. [13] ↑ . SIMBAD. wikidata.org.
  12. [14] ↑ . SIMBAD. wikidata.org.
  13. [15] ↑ . SIMBAD. wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Freebase Data Dumps. wikidata.org.
  16. [18] ↑ . SIMBAD. wikidata.org.
  17. [19] ↑ . SIMBAD. wikidata.org.
  18. [20] ↑ . Gaia Data Release 2. Observational Hertzsprung-Russell diagrams. wikidata.org.
  19. [21] ↑ . Gaia Data Release 2. Observational Hertzsprung-Russell diagrams. wikidata.org.
  20. [22] ↑ . On the metallicity of open clusters. wikidata.org.
  21. [23] ↑ . Astrophysical parameters of Galactic open clusters. wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . The orbits of open clusters in the Galaxy. wikidata.org.
  24. [26] ↑ . The orbits of open clusters in the Galaxy. wikidata.org.
  25. [27] ↑ . The orbits of open clusters in the Galaxy. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. 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). IC 4665. Retrieved October 13, 2026, from https://4ort.xyz/entity/ic-4665
MLA “IC 4665.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/ic-4665.
BibTeX @misc{4ortxyz_ic-4665_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{IC 4665}}, year = {2026}, url = {https://4ort.xyz/entity/ic-4665}, note = {Accessed: 2026-10-13}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): IC 4665 — https://4ort.xyz/entity/ic-4665 (retrieved 2026-10-13)

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