# Q77834780

> horizontal branch star in the constellation Serpens

**Wikidata**: [Q77834780](https://www.wikidata.org/wiki/Q77834780)  
**Source**: https://4ort.xyz/entity/q77834780


## References

1. SIMBAD
2. Exploring the upper red giant and asymptotic giant branches: the globular cluster M5
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. The Na-O anticorrelation in horizontal branch stars