# GV Herculis

> RR Lyrae variable star in the constellation Hercules

**Wikidata**: [Q81827166](https://www.wikidata.org/wiki/Q81827166)  
**Source**: https://4ort.xyz/entity/gv-herculis


## References

1. SIMBAD
2. VizieR
3. Summary of delta-S metallicity measurements for bright RR Lyrae variables observed at Lick Observatory and KPNO between 1972 and 1987
4. General Catalogue of Variable Stars, 3rd ed.
5. Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc
6. Exploring the variable sky with LINEAR. III. Classification of periodic light curves
7. The Catalina surveys periodic variable star catalog
8. Gaia Data Release 2
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
11. Gaia Early Data Release 3