# 28 Cygni

> binary star system in the constellation Cygnus

**Wikidata**: [Q4632717](https://www.wikidata.org/wiki/Q4632717)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/28_Cygni)  
**Source**: https://4ort.xyz/entity/28-cygni


## References

1. SIMBAD
2. The kinematics of the Gould belt: an expanding group ?
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. TESS observations of Be stars: a new interpretation
8. Gaia Data Release 2
9. High and intermediate-resolution spectroscopy of Be stars. An atlas of Hγ, He I 4471 and Mg II 4481 lines