# ER Aquarii

> long period variable

**Wikidata**: [Q78975586](https://www.wikidata.org/wiki/Q78975586)  
**Source**: https://4ort.xyz/entity/er-aquarii


## References

1. SIMBAD
2. VizieR
3. Source
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2