# H-alpha

> specific hydrogen spectral line in the Balmer series

**Wikidata**: [Q585943](https://www.wikidata.org/wiki/Q585943)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hydrogen-alpha)  
**Source**: https://4ort.xyz/entity/h-alpha


## References

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