# Q88900421

> red giant branch star in the constellation Hercules

**Wikidata**: [Q88900421](https://www.wikidata.org/wiki/Q88900421)  
**Source**: https://4ort.xyz/entity/q88900421


## References

1. SIMBAD
2. Catalogue of [Fe/H] determinations for FGK stars:  2001 edition
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. Oxygen abundances in halo giants. IV. The Oxygen-Sodium anticorrelation in a sample of 22 bright giants in M13
6. Exploring anticorrelations and light element variations in northern globular clusters observed by the APOGEE survey
7. Oxygen and sodium abundances in M13 (NGC 6205) giants: linking globular cluster formation scenarios, deep mixing, and post-RGB evolution