# 47 Hydrae

> star in the constellation Hydra

**Wikidata**: [Q14860463](https://www.wikidata.org/wiki/Q14860463)  
**Source**: https://4ort.xyz/entity/47-hydrae


## References

1. SIMBAD
2. Source
3. Gaia Data Release 3
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. Rotational Velocities of B Stars
8. Validation of the new Hipparcos reduction
9. Rotational velocities of A-type stars. IV. Evolution of rotational velocities