# DF Hydrae

> W Ursae Majoris variable star in the constellation Hydra

**Wikidata**: [Q75009013](https://www.wikidata.org/wiki/Q75009013)  
**Source**: https://4ort.xyz/entity/df-hydrae


## References

1. SIMBAD
2. Gaia Data Release 3
3. Up-to-date linear elements of eclipsing binaries
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. A BVRCIC Survey of W Ursae Majoris Binaries
7. Gaia Early Data Release 3
8. Gaia Data Release 2