# 2 Herculis

> star

**Wikidata**: [Q10864496](https://www.wikidata.org/wiki/Q10864496)  
**Source**: https://4ort.xyz/entity/2-herculis


## References

1. SIMBAD
2. The Perkins catalog of revised MK types for the cooler stars
3. Gaia Data Release 3
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Gaia Early Data Release 3
6. Gaia Data Release 2
7. The Galactic Chemical Evolution of Chlorine