# YY Coronae Borealis

> variable star

**Wikidata**: [Q6169420](https://www.wikidata.org/wiki/Q6169420)  
**Source**: https://4ort.xyz/entity/yy-coronae-borealis


## References

1. SIMBAD
2. Up-to-date linear elements of eclipsing binaries
3. Source
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
8. Gaia Data Release 2
9. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)