# Q90316669

> RR Lyrae variable star in the constellation Serpens

**Wikidata**: [Q90316669](https://www.wikidata.org/wiki/Q90316669)  
**Source**: https://4ort.xyz/entity/q90316669


## References

1. SIMBAD
2. Gaia Data Release 2
3. Probing the outer galactic halo with RR Lyrae from the Catalina surveys
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Kinematics of metal-poor stars in the Galaxy. II. Proper motions for a large nonkinematically selected sample