# Q66491287
**Wikidata**: [Q66491287](https://www.wikidata.org/wiki/Q66491287)  
**Source**: https://4ort.xyz/entity/q66491287


## References

1. Washington Double Star Catalog
2. SIMBAD
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. The Tycho double star catalogue
5. Gaia Data Release 2
6. Validation of the new Hipparcos reduction
7. SB9: The ninth catalogue of spectroscopic binary orbits
8. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)