# Q87903124

> eclipsing binary star in the constellation Cygnus

**Wikidata**: [Q87903124](https://www.wikidata.org/wiki/Q87903124)  
**Source**: https://4ort.xyz/entity/q87903124


## References

1. SIMBAD
2. MK classifications of some northern hemisphere binary systems
3. A catalog of 1022 bright contact binary stars
4. Automated variable star classification using the Northern Sky Variability Survey
5. General Catalogue of Variable Stars, 3rd ed.
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. Gaia Data Release 2
9. Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation