HD 21447

binary star system in the constellation Camelopardalis
Thing binary_star Q3304606
Press Enter · cited answer in seconds

HD 21447

Summary

HD 21447 is a binary star[1]. It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • HD 21447's instance of is recorded as binary star[3].
  • HD 21447's instance of is recorded as suspected variable[4].
  • HD 21447's constellation is recorded as Camelopardalis[5].
  • HD 21447's spectral class is recorded as A1Va[6].
  • HD 21447's part of is recorded as ** STF 390AB[7].
  • HD 21447's catalog code is recorded as HR 1046[8].
  • HD 21447's catalog code is recorded as 2MASS J03300015+5527065[9].
  • HD 21447's catalog code is recorded as GSC 03707-00802[10].
  • HD 21447's catalog code is recorded as HD 21447[11].
  • HD 21447's catalog code is recorded as HIP 16292[12].
  • HD 21447's catalog code is recorded as SAO 24064[13].
  • HD 21447's catalog code is recorded as IRAS 03261+5516[14].
  • HD 21447's catalog code is recorded as ADS 2565 A[15].
  • HD 21447's catalog code is recorded as AG+55 344[16].
  • HD 21447's catalog code is recorded as BD+54 684[17].
  • HD 21447's catalog code is recorded as CCDM J03300+5527A[18].
  • HD 21447's catalog code is recorded as CSI+54 684 2[19].
  • HD 21447's catalog code is recorded as CSI+54 684 4[20].
  • HD 21447's catalog code is recorded as CSV 100281[21].
  • HD 21447's catalog code is recorded as GC 4146[22].
  • HD 21447's catalog code is recorded as GCRV 1916[23].
  • HD 21447's catalog code is recorded as HIC 16292[24].
  • HD 21447's catalog code is recorded as IDS 03224+5506 A[25].
  • HD 21447's catalog code is recorded as JP11 785[26].
  • HD 21447's catalog code is recorded as NSV 1159[27].

Why It Matters

HD 21447 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

References

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

Direct Wikidata claims

  1. [3] . A catalogue of multiplicity among bright stellar systems. vizier.u-strasbg.fr. Provenance: wikidata.org.
  2. [4] . New Catalogue of Suspected Variable Stars. wikidata.org.
  3. [5] . VizieR. vizier.u-strasbg.fr. Provenance: wikidata.org.
  4. [6] . The early A type stars: refined MK classification, confrontation with Stromgren photometry, and the effects of rotation. wikidata.org.
  5. [7] . Washington Double Star Catalog. wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . SIMBAD. 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] . SIMBAD. 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] . 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). HD 21447. Retrieved May 7, 2026, from https://4ort.xyz/entity/hd-21447
MLA “HD 21447.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/hd-21447.
BibTeX @misc{4ortxyz_hd-21447_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 21447}}, year = {2026}, url = {https://4ort.xyz/entity/hd-21447}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 21447 — https://4ort.xyz/entity/hd-21447 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/hd-21447 · Last refreshed: