# Delta Herculis

> multiple-star system in the constellation Hercules

**Wikidata**: [Q13347](https://www.wikidata.org/wiki/Q13347)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Delta_Herculis)  
**Source**: https://4ort.xyz/entity/delta-herculis


## References

1. SIMBAD
2. Washington Double Star Catalog
3. Source
4. [SIMBAD](http://simbad.u-strasbg.fr/simbad/sim-id?Ident=del%20Her)
5. Freebase Data Dumps. 2013
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. Gaia Data Release 3
9. Gaia Early Data Release 3
10. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
11. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
12. The revision of the general catalogue of radial velocities
13. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
14. Rotational velocities of A-type stars. III. Velocity distributions
15. Rotational velocities of A-type stars. IV. Evolution of rotational velocities