# RT Hydrae
**Wikidata**: [Q66531656](https://www.wikidata.org/wiki/Q66531656)  
**Source**: https://4ort.xyz/entity/rt-hydrae


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. Gaia Data Release 3
4. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Gaia Early Data Release 3
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Gaia Data Release 2