# CW Hydrae

> RR Lyrae variable star in the constellation Hydra

**Wikidata**: [Q75009266](https://www.wikidata.org/wiki/Q75009266)  
**Source**: https://4ort.xyz/entity/cw-hydrae


## References

1. SIMBAD
2. Gaia Data Release 3
3. General Catalogue of Variable Stars, 3rd ed.
4. RR Lyrae stars in the GCVS observed by the Qatar Exoplanet Survey
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
8. Evidence for a Milky way tidal stream reaching beyond 100 kpc
9. Gaia Early Data Release 3