# standard illuminant

> theoretical source of visible light

**Wikidata**: [Q375479](https://www.wikidata.org/wiki/Q375479)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Standard_illuminant)  
**Source**: https://4ort.xyz/entity/standard-illuminant


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)