# XY Andromedae

> RR Lyrae variable star in the constellation Andromeda

**Wikidata**: [Q83783290](https://www.wikidata.org/wiki/Q83783290)  
**Source**: https://4ort.xyz/entity/xy-andromedae


## References

1. SIMBAD
2. VizieR
3. The Catalina surveys periodic variable star catalog
4. Photometry of variable stars from the THU-NAOC transient survey. I. The first two years
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. Kinematics of metal-poor stars in the Galaxy. II. Proper motions for a large nonkinematically selected sample