# Zeta Herculis

> multiple star system in the constellation Hercules

**Wikidata**: [Q13341](https://www.wikidata.org/wiki/Q13341)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Zeta_Herculis)  
**Source**: https://4ort.xyz/entity/zeta-herculis


## References

1. Washington Double Star Catalog
2. SIMBAD
3. The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. I. Precise Spectral Types for 372 Stars
4. Freebase Data Dumps. 2013
5. UBV photometry of stars whose positions are accurately known. VII
6. Catalogue of Stellar Photometry in Johnson's 11-color system
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Validation of the new Hipparcos reduction
9. Determination of orbital elements of spectroscopic binaries using high-dispersion spectroscopy
10. Oxygen abundances in nearby FGK stars and the galactic chemical evolution of the local disk and halo
11. Lithium abundances in nearby FGK dwarf and subgiant stars: internal destruction, galactic chemical evolution, and exoplanets
12. Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants
13. A search for Maunder-minimum candidate stars
14. SP_Ace: a new code to derive stellar parameters and elemental abundances