# Q91970312

> RR Lyrae variable star in the constellation Hercules

**Wikidata**: [Q91970312](https://www.wikidata.org/wiki/Q91970312)  
**Source**: https://4ort.xyz/entity/q91970312


## References

1. SIMBAD
2. Newly discovered RR Lyrae stars in the SDSS-Pan-STARRS1-Catalina footprint
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
5. The Catalina surveys periodic variable star catalog
6. Gaia Data Release 2
7. Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc