# HR Ursae Majoris

> Algol variable in the constellation Ursa Major

**Wikidata**: [Q81919549](https://www.wikidata.org/wiki/Q81919549)  
**Source**: https://4ort.xyz/entity/hr-ursae-majoris


## References

1. SIMBAD
2. VizieR
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Fourth USNO CCD Astrograph Catalog
7. The Tycho double star catalogue
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. SP_Ace: a new code to derive stellar parameters and elemental abundances