# Q89212403

> red giant branch star in the constellation Gemini

**Wikidata**: [Q89212403](https://www.wikidata.org/wiki/Q89212403)  
**Source**: https://4ort.xyz/entity/q89212403


## 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 Open Cluster Chemical Abundances and Mapping Survey. II. Precision Cluster Abundances for APOGEE Using SDSS DR14
6. Spectroscopic determination of masses (and implied ages) for red giants