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NGC 2403

spiral galaxy in the constellation Camelopardalis
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NGC 2403

Summary

NGC 2403 is an active galactic nucleus[1]. It ranks in the top 5% of active_galactic_nucleus entities by monthly Wikipedia readership (308 views/month).[2]

Key Facts

  • NGC 2403 is credited with the discovery of William Herschel[3].
  • NGC 2403's instance of is recorded as active galactic nucleus[4].
  • NGC 2403's instance of is recorded as spiral galaxy[5].
  • NGC 2403's constellation is recorded as Camelopardalis[6].
  • NGC 2403's galaxy morphological type is recorded as SBc[7].
  • NGC 2403's galaxy morphological type is recorded as SAcd[8].
  • NGC 2403 is part of M81 Group[9].
  • NGC 2403 is part of Q67625557[10].
  • NGC 2403 is part of Q67796330[11].
  • NGC 2403's Commons category is recorded as NGC 2403[12].
  • NGC 2403's catalog code is recorded as NGC 2403[13].
  • NGC 2403's catalog code is recorded as PGC 21396[14].
  • NGC 2403's catalog code is recorded as UGC 3918[15].
  • NGC 2403's catalog code is recorded as 2MASX J07365139+6536091[16].
  • NGC 2403's catalog code is recorded as IRAS 07321+6543[17].
  • NGC 2403's catalog code is recorded as MCG+11-10-007[18].
  • NGC 2403's catalog code is recorded as IRAS 07320+6543[19].
  • NGC 2403's catalog code is recorded as IRAS F07320+6543[20].
  • NGC 2403's catalog code is recorded as Z 0732.0+6543[21].
  • NGC 2403's catalog code is recorded as Z 309-40[22].
  • NGC 2403's catalog code is recorded as Z 310-3[23].
  • NGC 2403's catalog code is recorded as UZC J073651.7+653613[24].
  • NGC 2403's catalog code is recorded as PSCz Q07321+6543[25].
  • NGC 2403's catalog code is recorded as LEDA 21396[26].
  • NGC 2403's catalog code is recorded as Caldwell 7[27].

Body

Definition and Type

Recorded instance of include active galactic nucleus[4] and spiral galaxy[5].

Use and Application

Part of include M81 Group[9], a galaxy group[28]; Q67625557[10]; and Q67796330[11].

Why It Matters

NGC 2403 ranks in the top 5% of active_galactic_nucleus entities by monthly Wikipedia readership (308 views/month).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[29] It is known by 10 alternative names across languages and contexts.[30]

Related Entities

William Herschel

References

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

Direct Wikidata claims

  1. [4] ↑ . SIMBAD. wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . VizieR. wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . A catalog of visually classified galaxies in the local (z ~ 0.01) universe. wikidata.org.
  7. [9] ↑ . SIMBAD. wikidata.org.
  8. [10] ↑ . SIMBAD. wikidata.org.
  9. [11] ↑ . SIMBAD. wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . SIMBAD. wikidata.org.
  12. [14] ↑ . SIMBAD. Retrieved . haroldcorwin.net. Provenance: 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] ↑ . 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 2403. Retrieved May 3, 2026, from https://4ort.xyz/entity/ngc-2403
MLA “NGC 2403.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ngc-2403.
BibTeX @misc{4ortxyz_ngc-2403_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 2403}}, year = {2026}, url = {https://4ort.xyz/entity/ngc-2403}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 2403 — https://4ort.xyz/entity/ngc-2403 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ngc-2403 · 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. 1d ago · Phantomdj · 2026-05-23 view diff on Wikidata ↗
    Part of → M81 Group, Q67625557, Q67796330
    Has part(s) → Q9326356
    Apparent magnitude → {'amount': '+8.38'}, {'amount': '+9.31'}, {'amount': '+8.84'} +4
    Constellation → Camelopardalis
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P527]]: [[Q9326356]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.