# Q78180308

> horizontal branch star in the constellation Scorpius

**Wikidata**: [Q78180308](https://www.wikidata.org/wiki/Q78180308)  
**Source**: https://4ort.xyz/entity/q78180308


## References

1. SIMBAD
2. The helium content of globular clusters: NGC 6121 (M4)
3. Gaia Data Release 2
4. The M 4 Core Project withHST– IV. Internal kinematics from accurate radial velocities of 2771 cluster members