# Q66640904
**Wikidata**: [Q66640904](https://www.wikidata.org/wiki/Q66640904)  
**Source**: https://4ort.xyz/entity/q66640904


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)