# lumen second

> SI derived unit of luminous energy

**Wikidata**: [Q910311](https://www.wikidata.org/wiki/Q910311)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lumen_second)  
**Source**: https://4ort.xyz/entity/lumen-second


## References

1. Freebase Data Dumps. 2013