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luminous intensity

luminous flux per solid angle in a given direction
Thing kind_of_quantity Q104831
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Summary

luminous intensity is a kind of quantity[1]. It draws 2,438 Wikipedia views per month (kind of quantity category, ranking #5 of 11).[2]

Key Facts

  • Instance of: ISQ base quantity[3]
  • Subclass of: scalar quantity[4], quantity per solid angle[5], photometric quantity[6]
  • Described by source: ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation[7], SI Brochure (9th edition): Concise summary[8], Great Soviet Encyclopedia (1926–1947)[9], Principles governing photometry (2nd edition)[10], Armenian Soviet Encyclopedia, vol. 4[11]
  • Main Wikidata property: P3041[12]
  • Different from: luminosity[13]
  • Maintained by WikiProject: WikiProject Mathematics[14]
  • Recommended unit of measurement: candela[15]

Why It Matters

luminous intensity has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[16] It is known by 48 alternative names across languages and contexts.[17]

References

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

Direct Wikidata claims

  1. [3] ↑ . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] ↑ . Wikidata sitelinks. wikidata.org.
  3. [17] ↑ . 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). luminous intensity. Retrieved October 14, 2026, from https://4ort.xyz/entity/luminous-intensity
MLA “luminous intensity.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/luminous-intensity.
BibTeX @misc{4ortxyz_luminous-intensity_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{luminous intensity}}, year = {2026}, url = {https://4ort.xyz/entity/luminous-intensity}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): luminous intensity — https://4ort.xyz/entity/luminous-intensity (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/luminous-intensity · 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. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 3X129Q
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 21w ago · Twofivesixbot bot · 2026-05-16 view diff on Wikidata ↗
    Instance of → —
    Aliases → —
    Maintained by wikiproject → WikiProject Mathematics
    Subclass of → —
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|7 */ Yso id: 18225, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.