# Q89122729

> W Ursae Majoris variable star in the constellation Serpens

**Wikidata**: [Q89122729](https://www.wikidata.org/wiki/Q89122729)  
**Source**: https://4ort.xyz/entity/q89122729


## References

1. SIMBAD
2. Photometric studies of three neglected short-period contact binaries GN Bootis, BL Leonis, and V1918 Cygni
3. Automated variable star classification using the Northern Sky Variability Survey
4. General Catalogue of Variable Stars, 3rd ed.
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. A BVRCIC Survey of W Ursae Majoris Binaries
9. Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation
10. Gaia Data Release 2