Arcturus

red giant star in the northern constellation of Boötes
Place navigational_star Q12985
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Arcturus

Summary

Arcturus is a navigational star[1]. Arcturus ranks in the top 10% of navigational_star entities by monthly Wikipedia readership (1,443 views/month).[2]

Key Facts

  • Arcturus's instance of is recorded as navigational star[3].
  • Arcturus's instance of is recorded as near-infrared source[4].
  • Arcturus's instance of is recorded as ultraviolet source[5].
  • Arcturus's constellation is recorded as Boötes[6].
  • Arcturus's spectral class is recorded as K2IIIp[7].
  • Arcturus is part of Arcturus stream[8].
  • Arcturus is part of Spring Triangle[9].
  • Arcturus is part of Boötes[10].
  • Arcturus's Commons category is recorded as Arcturus[11].
  • Arcturus's companion of is recorded as Q66477219[12].
  • Arcturus's catalog code is recorded as HD 124897[13].
  • Arcturus's catalog code is recorded as HIP 69673[14].
  • Arcturus's catalog code is recorded as HR 5340[15].
  • Arcturus's catalog code is recorded as IRAS 14133+1925[16].
  • Arcturus's catalog code is recorded as SAO 100944[17].
  • Arcturus's catalog code is recorded as 2MASS J14153968+1910558[18].
  • Arcturus's catalog code is recorded as GJ 541[19].
  • Arcturus's catalog code is recorded as α Boo[20].
  • Arcturus's catalog code is recorded as ASCC 870215[21].
  • Arcturus's catalog code is recorded as BD+19 2777[22].
  • Arcturus's catalog code is recorded as CSV 101433[23].
  • Arcturus's catalog code is recorded as FK5 526[24].
  • Arcturus's catalog code is recorded as GC 19242[25].
  • Arcturus's catalog code is recorded as GCRV 8341[26].
  • Arcturus's catalog code is recorded as HIC 69673[27].

Body

Geography

Part of include Arcturus stream[8], a stellar stream[28]; Spring Triangle[9], an asterism[29]; and Boötes[10], a constellation[30].

Designation and Status

Recorded instance of include navigational star[3], near-infrared source[4], and ultraviolet source[5].

History and Context

Catalog codes include HD 124897[13], HIP 69673[14], HR 5340[15], IRAS 14133+1925[16], SAO 100944[17], and 2MASS J14153968+1910558[18].

Cultural Significance

Things named for Arcturus include Regulus Black[31], a wizard in the Harry Potter universe[32].

Why It Matters

Arcturus ranks in the top 10% of navigational_star entities by monthly Wikipedia readership (1,443 views/month).[2] Arcturus has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[33] Arcturus is known by 22 alternative names across languages and contexts.[34]

Entities named for Arcturus include Regulus Black[31], a wizard in the Harry Potter universe[32].

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . SIMBAD. wikidata.org.
  3. [5] . SIMBAD. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Space-velocity vectors for 3483 stars with proper motion and radial velocity. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . SIMBAD. wikidata.org.
  12. [14] . SIMBAD. wikidata.org.
  13. [15] . SIMBAD. wikidata.org.
  14. [16] . SIMBAD. wikidata.org.
  15. [17] . SIMBAD. wikidata.org.
  16. [18] . SIMBAD. wikidata.org.
  17. [19] . SIMBAD. wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . SIMBAD. wikidata.org.
  20. [22] . SIMBAD. wikidata.org.
  21. [23] . SIMBAD. wikidata.org.
  22. [24] . SIMBAD. wikidata.org.
  23. [25] . SIMBAD. wikidata.org.
  24. [26] . SIMBAD. wikidata.org.
  25. [27] . SIMBAD. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [31] . 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. [32] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [33] . Wikidata sitelinks. wikidata.org.
  3. [34] . 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). Arcturus. Retrieved May 3, 2026, from https://4ort.xyz/entity/arcturus
MLA “Arcturus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/arcturus.
BibTeX @misc{4ortxyz_arcturus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Arcturus}}, year = {2026}, url = {https://4ort.xyz/entity/arcturus}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Arcturus — https://4ort.xyz/entity/arcturus (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20d ago · ~2026-27851-74 · 2026-05-08 view diff on Wikidata ↗
    Parallax {'unit': 'Q21500224', 'amount': '+87.5'}, {'unit': 'Q829073', 'amount': '+0.12'}
    Constellation Boötes
    Part of Arcturus stream, Spring Triangle, Boötes
    Instance of navigational star, near-infrared source, ultraviolet source
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P6879]]: 40,000,000,000,000,000,000 kelvin"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.