# Q66643339
**Wikidata**: [Q66643339](https://www.wikidata.org/wiki/Q66643339)  
**Source**: https://4ort.xyz/entity/q66643339


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)