# Q66534558
**Wikidata**: [Q66534558](https://www.wikidata.org/wiki/Q66534558)  
**Source**: https://4ort.xyz/entity/q66534558


## References

1. SIMBAD
2. Inaccuracies in the spectral classification of stars from the Tycho-2 Spectral Type Catalogue
3. Spectral types and UBV photometry of G-K giants at the North Galactic Pole
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)