# Q80119509

> W Ursae Majoris variable star in the constellation Orion

**Wikidata**: [Q80119509](https://www.wikidata.org/wiki/Q80119509)  
**Source**: https://4ort.xyz/entity/q80119509


## References

1. SIMBAD
2. MK classifications of some northern hemisphere binary systems
3. Up-to-date linear elements of eclipsing binaries
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation