spectral luminous efficacy

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spectral luminous efficacy

Summary

Key Facts

spectral luminous efficacy is a type of physical quantity^[1].
spectral luminous efficacy is a type of spectral quantity^[2].
spectral luminous efficacy's described by source is recorded as ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation^[3].
spectral luminous efficacy's different from is recorded as luminous efficacy of radiation^[4].
spectral luminous efficacy's maintained by WikiProject is recorded as WikiProject Mathematics^[5].
spectral luminous efficacy's recommended unit of measurement is recorded as lumen per watt^[6].
spectral luminous efficacy's recommended unit of measurement is recorded as candela steradian cubic second per kilogram square metre^[7].

Body

Definition and Type

Recorded subclass of include physical quantity^[1] and spectral quantity^[2].

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Quick Facts

Subclass of physical quantity, spectral quantity

Properties

Defining formula K(\lambda) = K_{\mathrm{m}} V(\lambda)

Described by source ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation

Different from luminous efficacy of radiation

Imported from wholeness_audit_2026-05-02

In defining formula K(\lambda), K_{\mathrm{m}}, V(\lambda), \lambda

Isq dimension \mathsf{L}^{-2} \mathsf{M}^{-1} \mathsf{T}^3 \mathsf{J}

Maintained by wikiproject WikiProject Mathematics

Quantity symbol (latex) K(\lambda)

Recommended unit of measurement lumen per watt, candela steradian cubic second per kilogram square metre

External References (3)

Google knowledge graph id /g/11bc5qvntr

Iev number 845-21-091

Wolfram language quantity id SpectralLuminousEfficacy

🌐 Available in 2 languages

deSpektrales photometrisches Strahlungsäquivalent frEfficacité lumineuse spectrale

References

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

Direct Wikidata claims

[1] ↑ spectral luminous efficacy — subclass of (P279): physical quantity. wikidata.org.
[2] ↑ spectral luminous efficacy — subclass of (P279): spectral quantity. wikidata.org.
[3] ↑ spectral luminous efficacy — described by source (P1343): ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation. wikidata.org.
[4] ↑ spectral luminous efficacy — different from (P1889): luminous efficacy of radiation. wikidata.org.
[5] ↑ spectral luminous efficacy — maintained by WikiProject (P6104): WikiProject Mathematics. wikidata.org.
[6] ↑ spectral luminous efficacy — recommended unit of measurement (P8111): lumen per watt. ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation. wikidata.org.
[7] ↑ spectral luminous efficacy — recommended unit of measurement (P8111): candela steradian cubic second per kilogram square metre. ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation. wikidata.org.

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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). spectral luminous efficacy. Retrieved May 7, 2026, from https://4ort.xyz/entity/spectral-luminous-efficacy

MLA

“spectral luminous efficacy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/spectral-luminous-efficacy.

BibTeX

@misc{4ortxyz_spectral-luminous-efficacy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{spectral luminous efficacy}}, year = {2026}, url = {https://4ort.xyz/entity/spectral-luminous-efficacy}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): spectral luminous efficacy — https://4ort.xyz/entity/spectral-luminous-efficacy (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/spectral-luminous-efficacy · Last refreshed: May 7, 2026