# Q66650021
**Wikidata**: [Q66650021](https://www.wikidata.org/wiki/Q66650021)  
**Source**: https://4ort.xyz/entity/q66650021


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. Spectral properties of cool stars: extended abundance analysis of 1,617 planet-search stars