# Q66609723
**Wikidata**: [Q66609723](https://www.wikidata.org/wiki/Q66609723)  
**Source**: https://4ort.xyz/entity/q66609723


## References

1. SIMBAD
2. Visual Multiples. IX. MK Spectral Types
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars