NGC 138

spiral galaxy in the constellation Pisces
Place galaxy Q834187
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NGC 138

Summary

NGC 138 is a galaxy[1]. It ranks in the top 4% of galaxy entities by monthly Wikipedia readership (12 views/month).[2]

Key Facts

  • NGC 138 is credited with the discovery of Albert Marth[3].
  • NGC 138's image is recorded as NGC138 - SDSS DR14.jpg[4].
  • NGC 138's instance of is recorded as galaxy[5].
  • NGC 138's instance of is recorded as lenticular galaxy[6].
  • NGC 138's instance of is recorded as spiral galaxy[7].
  • NGC 138's constellation is recorded as Pisces[8].
  • NGC 138's galaxy morphological type is recorded as Sa[9].
  • NGC 138's part of is recorded as Q67793127[10].
  • NGC 138's Commons category is recorded as NGC 138[11].
  • NGC 138's catalog code is recorded as NGC 138[12].
  • NGC 138's catalog code is recorded as 2MASX J00305921+0509350[13].
  • NGC 138's catalog code is recorded as UGC 308[14].
  • NGC 138's catalog code is recorded as PGC 1889[15].
  • NGC 138's catalog code is recorded as MCG+01-02-016[16].
  • NGC 138's catalog code is recorded as Z 409-23[17].
  • NGC 138's catalog code is recorded as Z 0028.4+0454[18].
  • NGC 138's catalog code is recorded as UZC J003059.3+050935[19].
  • NGC 138's catalog code is recorded as LEDA 1889[20].
  • NGC 138's time of discovery or invention is recorded as +1864-08-29T00:00:00Z[21].
  • NGC 138's Freebase ID is recorded as /m/0nbdg86[22].
  • NGC 138's redshift is recorded as {'amount': '+0.039721'}[23].
  • NGC 138's apparent magnitude is recorded as {'amount': '+13.7'}[24].
  • NGC 138's apparent magnitude is recorded as {'amount': '+11.088'}[25].
  • NGC 138's apparent magnitude is recorded as {'amount': '+14.8'}[26].
  • NGC 138's apparent magnitude is recorded as {'amount': '+10.403'}[27].

Body

Geography

NGC 138's part of is recorded as Q67793127[10].

Designation and Status

Recorded instance of include galaxy[5], lenticular galaxy[6], and spiral galaxy[7].

History and Context

Catalog codes include NGC 138[12], 2MASX J00305921+0509350[13], UGC 308[14], PGC 1889[15], MCG+01-02-016[16], and Z 409-23[17].

Why It Matters

NGC 138 ranks in the top 4% of galaxy entities by monthly Wikipedia readership (12 views/month).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[28]

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] . wikidata.org.
  5. [8] . VizieR. wikidata.org.
  6. [3] . wikidata.org.
  7. [9] . SIMBAD. wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . 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] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . The Two Micron All Sky Survey (2MASS). wikidata.org.
  24. [26] . SIMBAD. wikidata.org.
  25. [27] . The Two Micron All Sky Survey (2MASS). wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . 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 138. Retrieved May 3, 2026, from https://4ort.xyz/entity/ngc-138
MLA “NGC 138.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ngc-138.
BibTeX @misc{4ortxyz_ngc-138_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{NGC 138}}, year = {2026}, url = {https://4ort.xyz/entity/ngc-138}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): NGC 138 — https://4ort.xyz/entity/ngc-138 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ngc-138 · Last refreshed: