# Q74244105
**Wikidata**: [Q74244105](https://www.wikidata.org/wiki/Q74244105)  
**Source**: https://4ort.xyz/entity/q74244105


## References

1. SIMBAD
2. MK classification of 142 visual binaries
3. MK classification for visual binary components
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Data Release 2
6. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)