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Alpha Cephei

star in the constellation of Cepheus
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Alpha Cephei

Summary

Alpha Cephei is a high proper-motion star[1]. It ranks in the top 3% of high_proper_motion_star entities by monthly Wikipedia readership (132 views/month).[2]

Key Facts

  • Alpha Cephei's instance of is recorded as high proper-motion star[3].
  • Alpha Cephei's instance of is recorded as astrophysical X-ray source[4].
  • Alpha Cephei's instance of is recorded as near-infrared source[5].
  • Alpha Cephei's instance of is recorded as ultraviolet source[6].
  • Alpha Cephei's instance of is recorded as star[7].
  • Alpha Cephei's constellation is recorded as Cepheus[8].
  • Alpha Cephei's spectral class is recorded as A8Vn[9].
  • Alpha Cephei is part of Castor Moving Group[10].
  • Alpha Cephei's catalog code is recorded as SAO 19302[11].
  • Alpha Cephei's catalog code is recorded as 2MASS J21183475+6235081[12].
  • Alpha Cephei's catalog code is recorded as HD 203280[13].
  • Alpha Cephei's catalog code is recorded as HIP 105199[14].
  • Alpha Cephei's catalog code is recorded as HR 8162[15].
  • Alpha Cephei's catalog code is recorded as IRAS 21174+6222[16].
  • Alpha Cephei's catalog code is recorded as GJ 826[17].
  • Alpha Cephei's catalog code is recorded as α Cep[18].
  • Alpha Cephei's catalog code is recorded as ADS 14858 A[19].
  • Alpha Cephei's catalog code is recorded as ASCC 144910[20].
  • Alpha Cephei's catalog code is recorded as BD+61 2111[21].
  • Alpha Cephei's catalog code is recorded as CCDM J21186+6236A[22].
  • Alpha Cephei's catalog code is recorded as CEL 5294[23].
  • Alpha Cephei's catalog code is recorded as FK5 803[24].
  • Alpha Cephei's catalog code is recorded as GC 29848[25].
  • Alpha Cephei's catalog code is recorded as GCRV 13408[26].
  • Alpha Cephei's catalog code is recorded as HIC 105199[27].

Body

Geography

Alpha Cephei is part of Castor Moving Group[10].

Designation and Status

Recorded instance of include high proper-motion star[3], astrophysical X-ray source[4], near-infrared source[5], ultraviolet source[6], and star[7].

History and Context

Catalog codes include SAO 19302[11], 2MASS J21183475+6235081[12], HD 203280[13], HIP 105199[14], HR 8162[15], and IRAS 21174+6222[16].

Why It Matters

Alpha Cephei ranks in the top 3% of high_proper_motion_star entities by monthly Wikipedia readership (132 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[28] It is known by 33 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] ↑ . SIMBAD. wikidata.org.
  2. [4] ↑ . SIMBAD. wikidata.org.
  3. [5] ↑ . SIMBAD. wikidata.org.
  4. [6] ↑ . SIMBAD. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Q53997770. wikidata.org.
  8. [10] ↑ . SIMBAD. wikidata.org.
  9. [11] ↑ . SIMBAD. wikidata.org.
  10. [12] ↑ . SIMBAD. 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] ↑ . wikidata.org.
  17. [19] ↑ . SIMBAD. wikidata.org.
  18. [20] ↑ . SIMBAD. 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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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). Alpha Cephei. Retrieved May 3, 2026, from https://4ort.xyz/entity/alpha-cephei
MLA “Alpha Cephei.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/alpha-cephei.
BibTeX @misc{4ortxyz_alpha-cephei_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Alpha Cephei}}, year = {2026}, url = {https://4ort.xyz/entity/alpha-cephei}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Alpha Cephei — https://4ort.xyz/entity/alpha-cephei (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/alpha-cephei · Last refreshed:

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. 26d ago · Huntster · 2026-06-12 view diff on Wikidata ↗
    Type of variable star → Q836976
    Right ascension → {'unit': 'Q28390', 'amount': '+319.644884697'}
    Stellar rotational velocity → {'unit': 'Q3674704', 'amount': '+68.6'}
    Absolute magnitude → {'amount': '+1.57'}
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-update:0||0 */ Changing order of values for [[Property:P31|P31]]"
  2. 27d ago · 惑星矮星 · 2026-06-12 view diff on Wikidata ↗
    Spectral class → A8Vn
    Declination → {'unit': 'Q28390', 'amount': '+62.585574464'}
    Absolute magnitude → {'amount': '+1.57'}
    Age estimated by a dating method → {'unit': 'Q524410', 'amount': '+0.82'}
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P31]]: [[Q523]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.