# Alpha Ophiuchi

> star in the constellation Ophiuchus

**Wikidata**: [Q13504](https://www.wikidata.org/wiki/Q13504)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alpha_Ophiuchi)  
**Source**: https://4ort.xyz/entity/alpha-ophiuchi


## References

1. SIMBAD
2. New Catalogue of Suspected Variable Stars
3. The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. I. Precise Spectral Types for 372 Stars
4. Freebase Data Dumps. 2013
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Data Release 3
8. Validation of the new Hipparcos reduction
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
10. Automated spectroscopic abundances of A and F-type stars using echelle spectrographs II. Abundances of 140 A-F stars from ELODIE and CORALIE
11. Fundamental Parameters of 87 Stars from the Navy Precision Optical Interferometer
12. VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)
13. The effective temperature scale of FGK stars. I. Determination of temperatures and angular diameters with the infrared flux method