# 90 Herculis

> star in the constellation Hercules

**Wikidata**: [Q85477427](https://www.wikidata.org/wiki/Q85477427)  
**Source**: https://4ort.xyz/entity/90-herculis


## References

1. SIMBAD
2. The Perkins catalog of revised MK types for the cooler stars
3. Washington Double Star Catalog
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. The Tycho double star catalogue
7. Gaia Data Release 2
8. Abundances of disk and bulge giants from high-resolution optical spectra. I. O, Mg, Ca, and Ti in the solar neighborhood and Kepler field samples
9. Assessment of [Fe/H] determinations for FGK stars in spectroscopic surveys
10. VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)
11. Gaia Data Release 3