# Q66642340
**Wikidata**: [Q66642340](https://www.wikidata.org/wiki/Q66642340)  
**Source**: https://4ort.xyz/entity/q66642340


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. Ultra-violet excesses from Cape Refractor colours
4. Fundamental data for southern stars (first list)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)