# Q66477374
**Wikidata**: [Q66477374](https://www.wikidata.org/wiki/Q66477374)  
**Source**: https://4ort.xyz/entity/q66477374


## References

1. SIMBAD
2. MK classification of 142 visual binaries
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars