# Q66476740
**Wikidata**: [Q66476740](https://www.wikidata.org/wiki/Q66476740)  
**Source**: https://4ort.xyz/entity/q66476740


## References

1. SIMBAD
2. Confirmation among visual multiples of an increase of AP stars with age
3. Washington Double Star Catalog
4. The Tycho double star catalogue