# BL Ursae Majoris

> W Ursae Majoris variable star in the constellation Ursa Major

**Wikidata**: [Q81810117](https://www.wikidata.org/wiki/Q81810117)  
**Source**: https://4ort.xyz/entity/bl-ursae-majoris


## References

1. SIMBAD
2. General Catalogue of Variable Stars, 3rd ed.
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Early Data Release 3
5. Gaia Data Release 2