# Q77836019

> horizontal branch star in the constellation Serpens

**Wikidata**: [Q77836019](https://www.wikidata.org/wiki/Q77836019)  
**Source**: https://4ort.xyz/entity/q77836019


## 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