# F Hydrae

> star in the constellation Hydra

**Wikidata**: [Q5175279](https://www.wikidata.org/wiki/Q5175279)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/F_Hydrae)  
**Source**: https://4ort.xyz/entity/f-hydrae


## References

1. The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog
2. SIMBAD
3. The Perkins catalog of revised MK types for the cooler stars
4. Spectral Classification
5. Oxygen abundance and the N/C versus N/O relation for AFG supergiants and bright giants
6. Washington Double Star Catalog
7. Flamsteed's Missing Stars
8. The Tycho-2 catalogue of the 2.5 million brightest stars
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. Gaia Data Release 3
11. Gaia Early Data Release 3
12. Gaia Data Release 2
13. Parameters and abundances in luminous stars
14. The atmospheric parameters and spectral interpolator for the MILES stars
15. Catalogue of rotational velocities of the stars
16. Validation of the new Hipparcos reduction