# PP Hydrae

> rotating ellipsoidal variable

**Wikidata**: [Q66530981](https://www.wikidata.org/wiki/Q66530981)  
**Source**: https://4ort.xyz/entity/pp-hydrae


## References

1. SIMBAD
2. Source
3. Gaia Data Release 3
4. TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Gaia Data Release 2