# Q66548540
**Wikidata**: [Q66548540](https://www.wikidata.org/wiki/Q66548540)  
**Source**: https://4ort.xyz/entity/q66548540


## References

1. Washington Double Star Catalog
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. SIMBAD
4. UBV photometry of stars whose positions are accurately known. III
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)