# Z Herculis

> variable star in the constellation Hercules

**Wikidata**: [Q56303421](https://www.wikidata.org/wiki/Q56303421)  
**Source**: https://4ort.xyz/entity/z-herculis


## References

1. Gaia Data Release 3
2. SIMBAD
3. General Catalogue of Variable Stars
4. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Z+Her&submit=SIMBAD+search)
5. MK classifications of spectroscopic binaries
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. Catalogue of Stellar Photometry in Johnson's 11-color system
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Early Data Release 3
10. Kinematics of chromospherically active binaries and evidence of an orbital period decrease in binary evolution
11. Gaia Data Release 2
12. ROSAT All-Sky Survey Faint Source Catalogue