# Q75252149
**Wikidata**: [Q75252149](https://www.wikidata.org/wiki/Q75252149)  
**Source**: https://4ort.xyz/entity/q75252149


## References

1. SIMBAD
2. The infrared Ca II triplet as metallicity indicator
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. The Na-O anticorrelation in horizontal branch stars