# W Crateris

> RR Lyrae variable star in the constellation Crater

**Wikidata**: [Q56303894](https://www.wikidata.org/wiki/Q56303894)  
**Source**: https://4ort.xyz/entity/w-crateris


## References

1. General Catalogue of Variable Stars
2. SIMBAD
3. Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys
4. The Catalina surveys periodic variable star catalog
5. Mid-infrared period-luminosity relations of RR Lyrae stars derived from the AllWISE Data Release
6. General Catalogue of Variable Stars, 3rd ed.
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. Gaia Data Release 2
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. The luminosities and distance scales of type II Cepheid and RR Lyrae variables