# Q66550851
**Wikidata**: [Q66550851](https://www.wikidata.org/wiki/Q66550851)  
**Source**: https://4ort.xyz/entity/q66550851


## References

1. SIMBAD
2. Close visual binaries. I. MK classifications
3. Rotational velocities and spectral types for a sample of binary systems
4. Washington Double Star Catalog
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Radial velocities and spectral classification of A-type stars near the South Galactic Pole