# Z Hydrae

> variable star in the constellation Hydra

**Wikidata**: [Q59138813](https://www.wikidata.org/wiki/Q59138813)  
**Source**: https://4ort.xyz/entity/z-hydrae


## References

1. General Catalogue of Variable Stars
2. SIMBAD
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Fourth USNO CCD Astrograph Catalog