# 20 Gem B
**Wikidata**: [Q66491576](https://www.wikidata.org/wiki/Q66491576)  
**Source**: https://4ort.xyz/entity/20-gem-b


## References

1. SIMBAD
2. Visual Multiples. IX. MK Spectral Types
3. Washington Double Star Catalog
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)