# Eta Coronae Borealis

> star system in the constellation Corona Boeralis

**Wikidata**: [Q5098338](https://www.wikidata.org/wiki/Q5098338)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Eta_Coronae_Borealis)  
**Source**: https://4ort.xyz/entity/eta-coronae-borealis


## References

1. Washington Double Star Catalog
2. SB9: The ninth catalogue of spectroscopic binary orbits
3. SIMBAD
4. G.P. Kuiper's spectral classifications of proper-motion stars
5. Freebase Data Dumps. 2013
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Sloan magnitudes for the brightest stars
8. Gaia Data Release 3
9. On the Hipparcos accuracy using binary stars as a calibration tool
10. Validation of the new Hipparcos reduction
11. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)