# Sigma2 Coronae Borealis

> star in the constellation Corona Borealis

**Wikidata**: [Q10371419](https://www.wikidata.org/wiki/Q10371419)  
**Source**: https://4ort.xyz/entity/sigma2-coronae-borealis


## References

1. SIMBAD
2. Chromospheric activity in G and K giants: the spectroscopic data base
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants
8. Starspots