# Q80637658

> RR Lyrae variable star in the constellation Hydra

**Wikidata**: [Q80637658](https://www.wikidata.org/wiki/Q80637658)  
**Source**: https://4ort.xyz/entity/q80637658


## References

1. SIMBAD
2. Probing the outer galactic halo with RR Lyrae from the Catalina surveys
3. Bright metal-poor stars from the Hamburg/ESO survey. I. Selection and follow-up observations from 329 fields
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Data Release 2
6. Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis