# Q81918607

> red giant branch star in the constellation Ursa Major

**Wikidata**: [Q81918607](https://www.wikidata.org/wiki/Q81918607)  
**Source**: https://4ort.xyz/entity/q81918607


## References

1. SIMBAD
2. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. Spectroscopic determination of masses (and implied ages) for red giants