# Q66639656
**Wikidata**: [Q66639656](https://www.wikidata.org/wiki/Q66639656)  
**Source**: https://4ort.xyz/entity/q66639656


## References

1. SIMBAD
2. The Tycho double star catalogue
3. Fourth USNO CCD Astrograph Catalog
4. Gaia Data Release 2