# Q80469445

> horizontal branch star in the constellation Scorpius

**Wikidata**: [Q80469445](https://www.wikidata.org/wiki/Q80469445)  
**Source**: https://4ort.xyz/entity/q80469445


## 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 helium content of globular clusters: NGC 6121 (M4)
6. The chemical composition of blue horizontal branch stars in M 4 and NGC 6397