Hickson 40

galaxy cluster in the constellation Hydra
Thing interacting_galaxies Q9291965
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Hickson 40

Summary

Hickson 40 is an interacting galaxies[1]. It draws 5 Wikipedia views per month (interacting_galaxies category, ranking #12 of 34).[2]

Key Facts

  • Hickson 40's instance of is recorded as interacting galaxies[3].
  • Hickson 40's instance of is recorded as interacting galaxy[4].
  • Hickson 40's Commons category is recorded as Arp 321[5].
  • Hickson 40's catalog code is recorded as APG 321[6].
  • Hickson 40's catalog code is recorded as HCG 40[7].
  • Hickson 40's catalog code is recorded as [DMP2012] 34[8].
  • Hickson 40's redshift is recorded as {'amount': '+0.022300'}[9].
  • Hickson 40's redshift is recorded as {'amount': '+0.0223'}[10].
  • Hickson 40's apparent magnitude is recorded as {'amount': '+15'}[11].
  • Hickson 40's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '+6611'}[12].
  • Hickson 40's Google Knowledge Graph ID is recorded as /g/120_gdvf[13].
  • Hickson 40's SIMBAD ID is recorded as APG 321[14].
  • Hickson 40's right ascension is recorded as {'unit': 'Q28390', 'amount': '+144.7250'}[15].
  • Hickson 40's declination is recorded as {'unit': 'Q28390', 'amount': '-4.8517'}[16].
  • Hickson 40's epoch is recorded as J2000.0[17].

Why It Matters

Hickson 40 draws 5 Wikipedia views per month (interacting_galaxies category, ranking #12 of 34).[2]

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] . wikidata.org.
  4. [6] . SIMBAD. wikidata.org.
  5. [7] . SIMBAD. wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . Dynamical properties of compact groups of galaxies. wikidata.org.
  8. [10] . Dynamical properties of compact groups of galaxies. wikidata.org.
  9. [11] . SIMBAD. wikidata.org.
  10. [12] . Dynamical properties of compact groups of galaxies. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Systematic properties of compact groups of galaxies. wikidata.org.
  14. [16] . Systematic properties of compact groups of galaxies. wikidata.org.
  15. [17] . Systematic properties of compact groups of galaxies. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.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). Hickson 40. Retrieved May 3, 2026, from https://4ort.xyz/entity/hickson-40
MLA “Hickson 40.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hickson-40.
BibTeX @misc{4ortxyz_hickson-40_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hickson 40}}, year = {2026}, url = {https://4ort.xyz/entity/hickson-40}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hickson 40 — https://4ort.xyz/entity/hickson-40 (retrieved 2026-05-03)

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