NGC 2540

quasar
Thing quasar Q1049622
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NGC 2540

Summary

NGC 2540 is a quasar[1]. It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • NGC 2540 is credited with the discovery of Édouard Stephan[3].
  • NGC 2540's image is recorded as NGC 2540 SDSS.jpg[4].
  • NGC 2540's instance of is recorded as quasar[5].
  • NGC 2540's instance of is recorded as spiral galaxy[6].
  • NGC 2540's constellation is recorded as Cancer[7].
  • NGC 2540's galaxy morphological type is recorded as SBc[8].
  • NGC 2540's galaxy morphological type is recorded as 4[9].
  • NGC 2540's Commons category is recorded as NGC 2540[10].
  • NGC 2540's catalog code is recorded as NGC 2540[11].
  • NGC 2540's catalog code is recorded as IRAS 08097+2630[12].
  • NGC 2540's catalog code is recorded as MCG+05-20-004[13].
  • NGC 2540's catalog code is recorded as PGC 23017[14].
  • NGC 2540's catalog code is recorded as UGC 4275[15].
  • NGC 2540's catalog code is recorded as IRAS F08097+2630[16].
  • NGC 2540's catalog code is recorded as 2MASX J08124642+2621391[17].
  • NGC 2540's catalog code is recorded as SDSS J081246.44+262142.4[18].
  • NGC 2540's catalog code is recorded as Z 149-4[19].
  • NGC 2540's catalog code is recorded as FIRST J081246.5+262142[20].
  • NGC 2540's catalog code is recorded as Z 0809.8+2631[21].
  • NGC 2540's catalog code is recorded as UZC J081246.5+262141[22].
  • NGC 2540's catalog code is recorded as PSCz Q08097+2630[23].
  • NGC 2540's catalog code is recorded as LEDA 23017[24].
  • NGC 2540's catalog code is recorded as SDSS J081246.44+262142.3[25].
  • NGC 2540's time of discovery or invention is recorded as +1885-02-10T00:00:00Z[26].
  • NGC 2540's redshift is recorded as {'amount': '+0.021008'}[27].

Body

Works and Contributions

NGC 2540 is credited with the discovery of Édouard Stephan[3].

Why It Matters

NGC 2540 has Wikipedia articles in 9 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. [4] . wikidata.org.
  2. [5] . SIMBAD. wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . VizieR. wikidata.org.
  5. [3] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . The EFIGI catalogue of 4458 nearby galaxies with detailed morphology. wikidata.org.
  8. [10] . 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] . wikidata.org.
  25. [27] . 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). NGC 2540. Retrieved May 3, 2026, from https://4ort.xyz/entity/ngc-2540
MLA “NGC 2540.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ngc-2540.
BibTeX @misc{4ortxyz_ngc-2540_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 2540}}, year = {2026}, url = {https://4ort.xyz/entity/ngc-2540}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 2540 — https://4ort.xyz/entity/ngc-2540 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ngc-2540 · Last refreshed: