# Q77838398

> horizontal branch star in the constellation Serpens

**Wikidata**: [Q77838398](https://www.wikidata.org/wiki/Q77838398)  
**Source**: https://4ort.xyz/entity/q77838398


## References

1. SIMBAD
2. Exploring the upper red giant and asymptotic giant branches: the globular cluster M5
3. Gaia Data Release 2
4. The Na-O anticorrelation in horizontal branch stars