# LR Hydrae

> variable star

**Wikidata**: [Q77380167](https://www.wikidata.org/wiki/Q77380167)  
**Source**: https://4ort.xyz/entity/lr-hydrae


## References

1. SIMBAD
2. Source
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Early Data Release 3
5. Kinematics of chromospherically active binaries and evidence of an orbital period decrease in binary evolution
6. Gaia Data Release 3
7. Gaia Data Release 2
8. The FEROS-Lick/SDSS observational data base of spectral indices of FGK stars for stellar population studies