NGC 4945

galaxy in the M83 group of galaxies
Thing centimetric_radio_source Q530998
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NGC 4945

Summary

NGC 4945 is a centimetric radio source[1]. It draws 163 Wikipedia views per month (centimetric_radio_source category, ranking #1 of 1).[2]

Key Facts

  • NGC 4945 is credited with the discovery of James Dunlop[3].
  • NGC 4945's instance of is recorded as centimetric radio source[4].
  • NGC 4945's instance of is recorded as infrared source[5].
  • NGC 4945's instance of is recorded as astrophysical X-ray source[6].
  • NGC 4945's instance of is recorded as Seyfert 2 galaxy[7].
  • NGC 4945's instance of is recorded as spiral galaxy[8].
  • NGC 4945's constellation is recorded as Centaurus[9].
  • NGC 4945's galaxy morphological type is recorded as SB(s)cd[10].
  • NGC 4945's galaxy morphological type is recorded as SB(s)cd?edge[11].
  • NGC 4945 is part of Centaurus A/M83 Group[12].
  • NGC 4945 is part of Q67623596[13].
  • NGC 4945 is part of Q67625752[14].
  • NGC 4945 is part of Q67791039[15].
  • NGC 4945 is part of Q67796421[16].
  • NGC 4945's Commons category is recorded as NGC 4945[17].
  • NGC 4945's catalog code is recorded as NGC 4945[18].
  • NGC 4945's catalog code is recorded as 2MASX J13052727-4928044[19].
  • NGC 4945's catalog code is recorded as ESO 219-24[20].
  • NGC 4945's catalog code is recorded as IRAS F13025-4912[21].
  • NGC 4945's catalog code is recorded as IRAS 13025-4911[22].
  • NGC 4945's catalog code is recorded as PGC 45279[23].
  • NGC 4945's catalog code is recorded as ESO-LV 219-0240[24].
  • NGC 4945's catalog code is recorded as HIPASS J1305-49[25].
  • NGC 4945's catalog code is recorded as 1RXS J130528.0-492758[26].
  • NGC 4945's catalog code is recorded as MRC 1302-492[27].

Body

Definition and Type

Recorded instance of include centimetric radio source[4], infrared source[5], astrophysical X-ray source[6], Seyfert 2 galaxy[7], and spiral galaxy[8].

Use and Application

Part of include Centaurus A/M83 Group[12], a galaxy cluster[28]; Q67623596[13]; Q67625752[14]; Q67791039[15]; and Q67796421[16].

Why It Matters

NGC 4945 draws 163 Wikipedia views per month (centimetric_radio_source category, ranking #1 of 1).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[29] It is known by 4 alternative names across languages and contexts.[30]

References

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

Direct Wikidata claims

  1. [4] . SIMBAD. wikidata.org.
  2. [5] . SIMBAD. wikidata.org.
  3. [6] . SIMBAD. wikidata.org.
  4. [7] . SIMBAD. wikidata.org.
  5. [8] . wikidata.org.
  6. [9] . VizieR. wikidata.org.
  7. [3] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . On the association between core-collapse supernovae and HII regions. 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] . 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.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] . Wikidata sitelinks. wikidata.org.
  3. [30] . Wikidata aliases. 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). NGC 4945. Retrieved May 3, 2026, from https://4ort.xyz/entity/ngc-4945
MLA “NGC 4945.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ngc-4945.
BibTeX @misc{4ortxyz_ngc-4945_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 4945}}, year = {2026}, url = {https://4ort.xyz/entity/ngc-4945}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 4945 — https://4ort.xyz/entity/ngc-4945 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ngc-4945 · Last refreshed:

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. 16d ago · Phantomdj · 2026-05-17 view diff on Wikidata ↗
    Redshift {'amount': '+0.0009'}
    Aliases
    Topic's main category Category:NGC 4945
    Radial velocity {'unit': 'Q3674704', 'amount': '+565'}
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P527]]: [[Q9329381]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.