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V639 Cassiopeiae

star in the constellation Cassiopeia
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V639 Cassiopeiae

Summary

V639 Cassiopeiae is a double star[1].

Key Facts

  • V639 Cassiopeiae's instance of is recorded as double star[2].
  • V639 Cassiopeiae's instance of is recorded as blue supergiant[3].
  • V639 Cassiopeiae's instance of is recorded as pulsating variable star[4].
  • V639 Cassiopeiae's constellation is recorded as Cassiopeia[5].
  • V639 Cassiopeiae's spectral class is recorded as B2.9Iab[6].
  • V639 Cassiopeiae's catalog code is recorded as HD 225094[7].
  • V639 Cassiopeiae's catalog code is recorded as ALS 6002[8].
  • V639 Cassiopeiae's catalog code is recorded as CEL 5[9].
  • V639 Cassiopeiae's catalog code is recorded as GCRV 9[10].
  • V639 Cassiopeiae's catalog code is recorded as GSC 04018-03804[11].
  • V639 Cassiopeiae's catalog code is recorded as HIC 274[12].
  • V639 Cassiopeiae's catalog code is recorded as HIP 274[13].
  • V639 Cassiopeiae's catalog code is recorded as HR 9097[14].
  • V639 Cassiopeiae's catalog code is recorded as IRAS 00008+6321[15].
  • V639 Cassiopeiae's catalog code is recorded as JP11 3674[16].
  • V639 Cassiopeiae's catalog code is recorded as 2MASS J00032571+6338257[17].
  • V639 Cassiopeiae's catalog code is recorded as PPM 11889[18].
  • V639 Cassiopeiae's catalog code is recorded as SAO 10942[19].
  • V639 Cassiopeiae's catalog code is recorded as TD1 30259[20].
  • V639 Cassiopeiae's catalog code is recorded as UBV 20670[21].
  • V639 Cassiopeiae's catalog code is recorded as UBV M 27427[22].
  • V639 Cassiopeiae's catalog code is recorded as uvby98 100225094[23].
  • V639 Cassiopeiae's catalog code is recorded as WDS J00034+6338AB[24].
  • V639 Cassiopeiae's catalog code is recorded as AG+63 1[25].
  • V639 Cassiopeiae's catalog code is recorded as BD+62 2356[26].

Body

Definition and Type

Recorded instance of include double star[2], blue supergiant[3], and pulsating variable star[4].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . SIMBAD. wikidata.org.
  3. [4] ↑ . General Catalogue of Variable Stars. wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . Hypergiant 6 Cas and association Cas OB5. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . SIMBAD. wikidata.org.
  9. [10] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . SIMBAD. wikidata.org.
  11. [12] ↑ . SIMBAD. wikidata.org.
  12. [13] ↑ . SIMBAD. wikidata.org.
  13. [14] ↑ . SIMBAD. wikidata.org.
  14. [15] ↑ . SIMBAD. wikidata.org.
  15. [16] ↑ . SIMBAD. wikidata.org.
  16. [17] ↑ . SIMBAD. wikidata.org.
  17. [18] ↑ . SIMBAD. wikidata.org.
  18. [19] ↑ . SIMBAD. wikidata.org.
  19. [20] ↑ . SIMBAD. wikidata.org.
  20. [21] ↑ . SIMBAD. wikidata.org.
  21. [22] ↑ . SIMBAD. wikidata.org.
  22. [23] ↑ . SIMBAD. wikidata.org.
  23. [24] ↑ . SIMBAD. wikidata.org.
  24. [25] ↑ . SIMBAD. wikidata.org.
  25. [26] ↑ . SIMBAD. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). V639 Cassiopeiae. Retrieved May 7, 2026, from https://4ort.xyz/entity/q10884219
MLA “V639 Cassiopeiae.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q10884219.
BibTeX @misc{4ortxyz_q10884219_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{V639 Cassiopeiae}}, year = {2026}, url = {https://4ort.xyz/entity/q10884219}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): V639 Cassiopeiae — https://4ort.xyz/entity/q10884219 (retrieved 2026-05-07)

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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. 7w ago · Dirac · 2026-07-20 view diff on Wikidata ↗
    Stellar rotational velocity → {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount', {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount'
    Constellation → Cassiopeia
    Apparent magnitude → {'unit': '1', 'amount': '+6.01'}, {'unit': '1', 'amount': '+6.56'}, {'unit': '1', 'amount': '+6.22'} +6
    Effective temperature → {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount':
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P18]]: V639 Cassiopeiae by GLIMPSE360.png, [[:toollabs:quickstatements/#/batch/261337|batch #261337]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.