# Q66639859
**Wikidata**: [Q66639859](https://www.wikidata.org/wiki/Q66639859)  
**Source**: https://4ort.xyz/entity/q66639859


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. The Radial Velocity Experiment (RAVE): fifth data release
9. The radial velocity experiment (RAVE): fourth data release