# Psi Hydrae

> star system in the constellation Hydra

**Wikidata**: [Q5175352](https://www.wikidata.org/wiki/Q5175352)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Psi_Hydrae)  
**Source**: https://4ort.xyz/entity/psi-hydrae


## References

1. A catalogue of multiplicity among bright stellar systems
2. SIMBAD
3. Source
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. Gaia Data Release 2
8. Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era
9. High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances