# Q77836981
**Wikidata**: [Q77836981](https://www.wikidata.org/wiki/Q77836981)  
**Source**: https://4ort.xyz/entity/q77836981


## References

1. SIMBAD
2. Orbital period changes and the higher-order multiplicity fraction amongst SuperWASP eclipsing binaries
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Data Release 2
7. W Ursae Majoris contact binary variables as X-ray sources