# Q66550553
**Wikidata**: [Q66550553](https://www.wikidata.org/wiki/Q66550553)  
**Source**: https://4ort.xyz/entity/q66550553


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Metal abundances in 26 halo stars
6. Oxygen in old and thick disk stars