HD 196821

variable star in the Vulpeculae constellation
Thing peculiar_star Q6869223
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HD 196821

Summary

HD 196821 is a peculiar star[1].

Key Facts

  • HD 196821's instance of is recorded as peculiar star[2].
  • HD 196821's constellation is recorded as Vulpecula[3].
  • HD 196821's spectral class is recorded as A0III[4].
  • HD 196821's catalog code is recorded as HD 196821[5].
  • HD 196821's catalog code is recorded as GCRV 12936[6].
  • HD 196821's catalog code is recorded as GSC 01645-00540[7].
  • HD 196821's catalog code is recorded as HIC 101919[8].
  • HD 196821's catalog code is recorded as HIP 101919[9].
  • HD 196821's catalog code is recorded as HR 7903[10].
  • HD 196821's catalog code is recorded as 2MASS J20391064+2149028[11].
  • HD 196821's catalog code is recorded as NSV 13201[12].
  • HD 196821's catalog code is recorded as PPM 111595[13].
  • HD 196821's catalog code is recorded as SAO 88959[14].
  • HD 196821's catalog code is recorded as TD1 27085[15].
  • HD 196821's catalog code is recorded as UBV 17918[16].
  • HD 196821's catalog code is recorded as UBV M 25056[17].
  • HD 196821's catalog code is recorded as uvby98 100196821[18].
  • HD 196821's catalog code is recorded as YZ 21 7839[19].
  • HD 196821's catalog code is recorded as AG+21 2238[20].
  • HD 196821's catalog code is recorded as BD+21 4305[21].
  • HD 196821's catalog code is recorded as TYC 1645-540-1[22].
  • HD 196821's catalog code is recorded as WEB 18418[23].
  • HD 196821's catalog code is recorded as Gaia DR2 1818119721520478208[24].
  • HD 196821's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.027'}[25].
  • HD 196821's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.075'}[26].

Body

Definition and Type

HD 196821's instance of is recorded as peculiar star[2].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . VizieR. wikidata.org.
  3. [4] . A study of the bright A stars. I. A catalogue of spectral classifications. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. 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] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  25. [26] . The Tycho-2 catalogue of the 2.5 million brightest stars. 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). HD 196821. Retrieved May 7, 2026, from https://4ort.xyz/entity/q6869223
MLA “HD 196821.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q6869223.
BibTeX @misc{4ortxyz_q6869223_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 196821}}, year = {2026}, url = {https://4ort.xyz/entity/q6869223}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 196821 — https://4ort.xyz/entity/q6869223 (retrieved 2026-05-07)

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