# AK Herculis

> W Ursae Majoris variable star in the constellation Hercules

**Wikidata**: [Q89116463](https://www.wikidata.org/wiki/Q89116463)  
**Source**: https://4ort.xyz/entity/ak-herculis


## References

1. SIMBAD
2. VizieR
3. Physical parameters of 62 eclipsing binary stars using the All Sky Automated Survey-3 data - I
4. Washington Double Star Catalog
5. Up-to-date linear elements of eclipsing binaries
6. TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey
9. Gaia Early Data Release 3
10. Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation
11. Gaia Data Release 2