# Q66647691
**Wikidata**: [Q66647691](https://www.wikidata.org/wiki/Q66647691)  
**Source**: https://4ort.xyz/entity/q66647691


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
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. Metallicities and activities of southern stars
7. Chromospheric activities and kinematics for solar type dwarfs and subgiants: analysis of the activity distribution and the AVR
8. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)