# Beta2 Cygni

> star in the constellation Cygnus

**Wikidata**: [Q9655827](https://www.wikidata.org/wiki/Q9655827)  
**Source**: https://4ort.xyz/entity/beta2-cygni


## References

1. SIMBAD
2. Spectroscopic analysis of southern B and Be stars
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations
7. Rotational Velocities of B Stars
8. Rotational velocities of A-type stars. IV. Evolution of rotational velocities
9. High and intermediate-resolution spectroscopy of Be stars. An atlas of Hγ, He I 4471 and Mg II 4481 lines