# Q66639589
**Wikidata**: [Q66639589](https://www.wikidata.org/wiki/Q66639589)  
**Source**: https://4ort.xyz/entity/q66639589


## References

1. SIMBAD
2. Spectral and luminosity classification of the bright sequence stars in the C regions
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)