# Q80475081

> red giant branch star in the constellation Scorpius

**Wikidata**: [Q80475081](https://www.wikidata.org/wiki/Q80475081)  
**Source**: https://4ort.xyz/entity/q80475081


## References

1. SIMBAD
2. Optical and Near-InfraredUBVRIJHKPhotometry for the RR Lyrae Stars in the Nearby Globular Cluster M4 (NGC 6121)1
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Sodium abundances of AGB and RGB stars in Galactic globular clusters. II. Analysis and results of NGC 104, NGC 6121, and NGC 6809
5. Spectroscopic and photometric evidence of two stellar populations in the Galactic globular cluster NGC 6121 (M 4)
6. The Tycho-2 catalogue of the 2.5 million brightest stars