# Q66491844
**Wikidata**: [Q66491844](https://www.wikidata.org/wiki/Q66491844)  
**Source**: https://4ort.xyz/entity/q66491844


## References

1. SIMBAD
2. The extension of the MK spectral classification system to the intermediate population II F type stars
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. Stellar population models in the UV. I. Characterisation of the New Generation Stellar Library