# V397 Herculis

> RR Lyrae variable star in the constellation Hercules

**Wikidata**: [Q87343483](https://www.wikidata.org/wiki/Q87343483)  
**Source**: https://4ort.xyz/entity/v397-herculis


## References

1. SIMBAD
2. VizieR
3. Gaia Data Release 2
4. ROTSE all-sky surveys for variable stars. I. Test fields
5. General Catalogue of Variable Stars, 3rd ed.
6. Fourth USNO CCD Astrograph Catalog
7. Gaia Early Data Release 3
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Data Release 3