# Strömgren photometric system

> medium-band photometric system used in astronomy

**Wikidata**: [Q2251941](https://www.wikidata.org/wiki/Q2251941)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Strömgren_photometric_system)  
**Source**: https://4ort.xyz/entity/str-mgren-photometric-system


## References

1. Source
2. Freebase Data Dumps. 2013
3. Galactic Astronomy