# V666 Herculis

> RR Lyrae variable star in the constellation Hercules

**Wikidata**: [Q84054780](https://www.wikidata.org/wiki/Q84054780)  
**Source**: https://4ort.xyz/entity/v666-herculis


## References

1. SIMBAD
2. VizieR
3. A First Catalog of Variable Stars Measured by the Asteroid Terrestrial-impact Last Alert System (ATLAS)
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Gaia Data Release 2
7. Gaia Data Release 3