# Q87997941

> RR Lyrae variable star in the constellation Draco

**Wikidata**: [Q87997941](https://www.wikidata.org/wiki/Q87997941)  
**Source**: https://4ort.xyz/entity/q87997941


## References

1. SIMBAD
2. Automated variable star classification using the Northern Sky Variability Survey
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Data Release 2
6. Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation