# Q81832218

> red giant branch star in the constellation Hercules

**Wikidata**: [Q81832218](https://www.wikidata.org/wiki/Q81832218)  
**Source**: https://4ort.xyz/entity/q81832218


## References

1. SIMBAD
2. Mass outflow and chromospheric activity of red giant stars in globular clusters. II. M13 and M92
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Catalogue of [Fe/H] determinations for FGK stars:  2001 edition
5. Gaia Data Release 2
6. Exploring anticorrelations and light element variations in northern globular clusters observed by the APOGEE survey
7. Oxygen abundances in halo giants. II. Giants in the globular clusters M 13 and M 3 and the intermediatly metal-poor halo field
8. Oxygen abundances in halo giants. IV. The Oxygen-Sodium anticorrelation in a sample of 22 bright giants in M13
9. Abundances for globular cluster giants. I. Homogeneous metallicities for 24 clusters