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apostilb

unit of measurement; 1/π candela per square metre
Intangible Unit Of Luminance Q619941

Facts

7 properties
Instance of
unit of luminance
Conversion to SI unit
0.3183098861837907[5]
Discoverer or inventor
André Blondel[2]
Measured physical quantity
luminance[3]
Named after
stilb[4]
Unit symbol
asb[7]
Wikidata SPARQL query equivalent
wd:Q619941 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)[6]
🏷️ Also known as
en asb en blondel en apostilb cs Blondel (jednotka) de Blondel ru апостильб ru асб ru блондель zh 阿熙堤
🔖 Identifiers · 5
Freebase ID
/m/0h3qmsf
Great Norwegian Encyclopedia ID
apostilb
Great Russian Encyclopedia portal ID
apostil-b-de53ef
Microsoft Academic ID (discontinued)
85702376
Wolfram Language unit code
"Apostilbs"

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🔗 Connections
Discoverer or inventor 1
André Blondel
Measured physical quantity 1
luminance
Named after 1
stilb
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Summary

apostilb is an unit of luminance[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). apostilb. Retrieved November 10, 2026, from https://4ort.xyz/entity/apostilb
MLA “apostilb.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/apostilb.
BibTeX @misc{4ortxyz_apostilb_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{apostilb}}, year = {2026}, url = {https://4ort.xyz/entity/apostilb}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): apostilb — https://4ort.xyz/entity/apostilb (retrieved 2026-11-10)

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