# 34 Hydrae

> star in the constellation Hydra

**Wikidata**: [Q1028460](https://www.wikidata.org/wiki/Q1028460)  
**Source**: https://4ort.xyz/entity/34-hydrae


## References

1. SIMBAD
2. Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
3. Gaia Data Release 3
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. Project VeSElkA: analysis of Balmer line profiles of slowly rotating chemically peculiar stars
8. Normal A0−A1 stars with low rotational velocities. I. Abundance determination and classification
9. Rotational velocities of A-type stars. III. Velocity distributions
10. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
11. Gaia Data Release 2