# Kappa Ophiuchi

> star in the constellation Ophiuchus

**Wikidata**: [Q2520858](https://www.wikidata.org/wiki/Q2520858)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kappa_Ophiuchi)  
**Source**: https://4ort.xyz/entity/kappa-ophiuchi


## References

1. SIMBAD
2. The Perkins catalog of revised MK types for the cooler stars
3. Spectral Classification
4. Source
5. VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
6. Gaia Data Release 3
7. Freebase Data Dumps. 2013
8. Catalogue of Stellar Photometry in Johnson's 11-color system
9. A new Large Magellanic Cloud K-band distance from precision measurements of nearby red clump stars
10. Gaia Early Data Release 3
11. Gaia Data Release 2. The catalogue of radial velocity standard stars
12. Assessment of [Fe/H] determinations for FGK stars in spectroscopic surveys
13. Gaia FGK benchmark stars: Fundamental Teff and log g of the third version
14. Rotational and radial velocities for a sample of 761 Hipparcos giants and the role of binarity