Andromeda XXI

dwarf spheroidal galaxy
Thing dwarf_spheroidal_galaxy Q587807
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Andromeda XXI

Summary

Andromeda XXI is a dwarf spheroidal galaxy[1]. It draws 18 Wikipedia views per month (dwarf_spheroidal_galaxy category, ranking #8 of 20).[2]

Key Facts

  • Andromeda XXI's instance of is recorded as dwarf spheroidal galaxy[3].
  • Andromeda XXI's constellation is recorded as Andromeda[4].
  • Andromeda XXI's site of astronomical discovery is recorded as Canada–France–Hawaii Telescope[5].
  • Andromeda XXI's galaxy morphological type is recorded as dSph[6].
  • Andromeda XXI's part of is recorded as Local Group[7].
  • Andromeda XXI's part of is recorded as Q67796361[8].
  • Andromeda XXI's parent astronomical body is recorded as Andromeda Galaxy[9].
  • Andromeda XXI's catalog code is recorded as LEDA 5057231[10].
  • Andromeda XXI's time of discovery or invention is recorded as +2009-00-00T00:00:00Z[11].
  • Andromeda XXI's Freebase ID is recorded as /m/0gkxnzd[12].
  • Andromeda XXI's apparent magnitude is recorded as {'amount': '+14.8'}[13].
  • Andromeda XXI's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '-362.5'}[14].
  • Andromeda XXI's metallicity is recorded as {'amount': '-1.8'}[15].
  • Andromeda XXI's distance from Earth is recorded as {'unit': 'Q3773454', 'amount': '+0.86'}[16].
  • Andromeda XXI's SIMBAD ID is recorded as NAME Andromeda XXI[17].
  • Andromeda XXI's right ascension is recorded as {'unit': 'Q28390', 'amount': '+358.69875'}[18].
  • Andromeda XXI's declination is recorded as {'unit': 'Q28390', 'amount': '+42.47083'}[19].
  • Andromeda XXI's epoch is recorded as J2000.0[20].

Why It Matters

Andromeda XXI draws 18 Wikipedia views per month (dwarf_spheroidal_galaxy category, ranking #8 of 20).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[21]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . VizieR. wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . The observed properties of dwarf galaxies in and around the Local Group. wikidata.org.
  5. [7] . SIMBAD. wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Freebase Data Dumps. wikidata.org.
  11. [13] . The observed properties of dwarf galaxies in and around the Local Group. wikidata.org.
  12. [14] . A kinematic study of the Andromeda dwarf spheroidal system. wikidata.org.
  13. [15] . A kinematic study of the Andromeda dwarf spheroidal system. wikidata.org.
  14. [16] . The Local Tully-Fisher relation for dwarf galaxies. wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . PAndAS’ CUBS: DISCOVERY OF TWO NEW DWARF GALAXIES IN THE SURROUNDINGS OF THE ANDROMEDA AND TRIANGULUM GALAXIES. wikidata.org.
  17. [19] . PAndAS’ CUBS: DISCOVERY OF TWO NEW DWARF GALAXIES IN THE SURROUNDINGS OF THE ANDROMEDA AND TRIANGULUM GALAXIES. wikidata.org.
  18. [20] . PAndAS’ CUBS: DISCOVERY OF TWO NEW DWARF GALAXIES IN THE SURROUNDINGS OF THE ANDROMEDA AND TRIANGULUM GALAXIES. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] . 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). Andromeda XXI. Retrieved May 3, 2026, from https://4ort.xyz/entity/andromeda-xxi
MLA “Andromeda XXI.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/andromeda-xxi.
BibTeX @misc{4ortxyz_andromeda-xxi_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Andromeda XXI}}, year = {2026}, url = {https://4ort.xyz/entity/andromeda-xxi}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Andromeda XXI — https://4ort.xyz/entity/andromeda-xxi (retrieved 2026-05-03)

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