# Q81869816
**Wikidata**: [Q81869816](https://www.wikidata.org/wiki/Q81869816)  
**Source**: https://4ort.xyz/entity/q81869816


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. The Tycho double star catalogue