# Omicron1 Cygni

> binary star in the constellation Cygnus

**Wikidata**: [Q3882227](https://www.wikidata.org/wiki/Q3882227)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/31_Cygni)  
**Source**: https://4ort.xyz/entity/omicron1-cygni


## References

1. SIMBAD
2. Spectral Classification of the Hot Components of a Large Sample of Stars with Composite Spectra, and Implication for the Absolute Magnitudes of the Cool Supergiant Components
3. General Catalogue of Variable Stars, 3rd ed.
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Gaia Early Data Release 3
6. Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data
7. The atmospheric parameters and spectral interpolator for the MILES stars
8. Catalogue of rotational velocities of the stars
9. Gaia Data Release 2