# Q66610262
**Wikidata**: [Q66610262](https://www.wikidata.org/wiki/Q66610262)  
**Source**: https://4ort.xyz/entity/q66610262


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. Validation of the new Hipparcos reduction
7. The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog