# Q80473960

> red giant branch star in the constellation Scorpius

**Wikidata**: [Q80473960](https://www.wikidata.org/wiki/Q80473960)  
**Source**: https://4ort.xyz/entity/q80473960


## 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. Gaia Data Release 2
5. The M 4 Core Project withHST– IV. Internal kinematics from accurate radial velocities of 2771 cluster members
6. Spectroscopic and photometric evidence of two stellar populations in the Galactic globular cluster NGC 6121 (M 4)