# Q91721501

> RR Lyrae variable star in the constellation Cepheus

**Wikidata**: [Q91721501](https://www.wikidata.org/wiki/Q91721501)  
**Source**: https://4ort.xyz/entity/q91721501


## References

1. SIMBAD
2. Gaia Data Release 2
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. The USNO-B Catalog
5. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
6. The luminosities and distance scales of type II Cepheid and RR Lyrae variables