# 4 Herculis

> star in the constellation Hercules

**Wikidata**: [Q10864495](https://www.wikidata.org/wiki/Q10864495)  
**Source**: https://4ort.xyz/entity/4-herculis


## References

1. SIMBAD
2. Spectral classification of the bright B8 stars
3. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=4+Her&submit=SIMBAD+search)
4. Gaia Data Release 3
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Bright 22 μm Excess Candidates from the Wise All-sky Catalog and the Hipparcos Main Catalog
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
10. Stellar population models in the UV. I. Characterisation of the New Generation Stellar Library
11. HST Low-resolution Stellar Library
12. VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)
13. Gaia Data Release 2