# BD Herculis

> RR Lyrae variable star in the constellation Hercules

**Wikidata**: [Q86710435](https://www.wikidata.org/wiki/Q86710435)  
**Source**: https://4ort.xyz/entity/bd-herculis


## References

1. SIMBAD
2. VizieR
3. A spectroscopic study of the RR Lyrae stars
4. Characteristics of bright AB-type RR Lyrae stars from the ASAS and WASP surveys
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Gaia Data Release 3
8. Gaia Data Release 2