# Q66639180
**Wikidata**: [Q66639180](https://www.wikidata.org/wiki/Q66639180)  
**Source**: https://4ort.xyz/entity/q66639180


## 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. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The Penn State - Torun Centre for Astronomy Planet Search stars. III. The sample of evolved stars
7. The Penn State - Torun Centre for Astronomy Planet Search stars. IV. Dwarfs and the complete sample