# 10 Hydrae

> star in the constellation Hydra

**Wikidata**: [Q11109600](https://www.wikidata.org/wiki/Q11109600)  
**Source**: https://4ort.xyz/entity/10-hydrae


## References

1. SIMBAD
2. The radial velocities spectral types and projected rotational velocities of 633 bright northern A stars
3. A study of the bright A stars. I. A catalogue of spectral classifications
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Rotational velocities of A-type stars. III. Velocity distributions
9. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
10. Gaia Data Release 2
11. Rotational velocities of A-type stars. IV. Evolution of rotational velocities