# 57 Herculis

> star in the constellation Hercules

**Wikidata**: [Q15939745](https://www.wikidata.org/wiki/Q15939745)  
**Source**: https://4ort.xyz/entity/57-herculis


## References

1. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=57+Her&submit=SIMBAD+search)
2. SIMBAD
3. UBV photometry of stars whose positions are accurately known. VI
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Gaia Data Release 2