# Q81830769

> red giant branch star in the constellation Hercules

**Wikidata**: [Q81830769](https://www.wikidata.org/wiki/Q81830769)  
**Source**: https://4ort.xyz/entity/q81830769


## References

1. SIMBAD
2. Mass outflow and chromospheric activity of red giant stars in globular clusters. II. M13 and M92
3. Globular and open clusters observed by SDSS/SEGUE: the giant stars
4. Catalogue of [Fe/H] determinations for FGK stars:  2001 edition
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. Exploring anticorrelations and light element variations in northern globular clusters observed by the APOGEE survey
8. Oxygen and sodium abundances in M13 (NGC 6205) giants: linking globular cluster formation scenarios, deep mixing, and post-RGB evolution