NGC 3645

galaxy
Thing galaxy Q3393839
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NGC 3645

Summary

NGC 3645 is a galaxy[1]. NGC 3645 has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • NGC 3645's instance of is recorded as galaxy[3].
  • NGC 3645's constellation is recorded as Leo[4].
  • NGC 3645's galaxy morphological type is recorded as Sc[5].
  • NGC 3645's catalog code is recorded as NGC 3645[6].
  • NGC 3645's catalog code is recorded as PGC 34817[7].
  • NGC 3645's catalog code is recorded as 2MASX J11213999+0257499[8].
  • NGC 3645's catalog code is recorded as Z 1119.0+0315[9].
  • NGC 3645's catalog code is recorded as Z 39-143[10].
  • NGC 3645's catalog code is recorded as UZC J112140.0+025750[11].
  • NGC 3645's catalog code is recorded as SDSS J112140.02+025750.3[12].
  • NGC 3645's catalog code is recorded as LEDA 34817[13].
  • NGC 3645's catalog code is recorded as Gaia DR2 3811085839368092800[14].
  • NGC 3645's redshift is recorded as {'unit': '1', 'amount': '+0.03199'}[15].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.7581'}[16].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.770'}[17].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.101'}[18].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.865'}[19].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.5'}[20].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.056'}[21].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.875'}[22].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.328'}[23].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.050'}[24].
  • NGC 3645's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.806'}[25].
  • NGC 3645's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+9437'}[26].
  • NGC 3645's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+170.41675715875330'}[27].

Body

Definition and Type

NGC 3645's instance of is recorded as galaxy[3].

Why It Matters

NGC 3645 has Wikipedia articles in 14 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. [3] . SIMBAD. wikidata.org.
  2. [4] . VizieR. wikidata.org.
  3. [5] . Demographics of Isolated Galaxies along the Hubble Sequence. wikidata.org.
  4. [6] . SIMBAD. wikidata.org.
  5. [7] . SIMBAD. wikidata.org.
  6. [8] . SIMBAD. wikidata.org.
  7. [9] . SIMBAD. wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . SIMBAD. wikidata.org.
  10. [12] . SIMBAD. wikidata.org.
  11. [13] . SIMBAD. wikidata.org.
  12. [14] . SIMBAD. wikidata.org.
  13. [15] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  14. [16] . Gaia Data Release 2. wikidata.org.
  15. [17] . The Two Micron All Sky Survey (2MASS). wikidata.org.
  16. [18] . The Two Micron All Sky Survey (2MASS). wikidata.org.
  17. [19] . The Two Micron All Sky Survey (2MASS). wikidata.org.
  18. [20] . SIMBAD. wikidata.org.
  19. [21] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  20. [22] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  21. [23] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  22. [24] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  23. [25] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  24. [26] . The SDSS Photometric Catalog, Release 9. wikidata.org.
  25. [27] . Gaia Data Release 2. 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 3645. Retrieved May 7, 2026, from https://4ort.xyz/entity/q3393839
MLA “NGC 3645.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q3393839.
BibTeX @misc{4ortxyz_q3393839_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 3645}}, year = {2026}, url = {https://4ort.xyz/entity/q3393839}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 3645 — https://4ort.xyz/entity/q3393839 (retrieved 2026-05-07)

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