# GY Ursae Majoris

> long-period variable star in the constellation Ursa Major

**Wikidata**: [Q66497357](https://www.wikidata.org/wiki/Q66497357)  
**Source**: https://4ort.xyz/entity/gy-ursae-majoris


## References

1. SIMBAD
2. VizieR
3. Radial velocities, spectral types and luminosity classes of 820 stars
4. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Spectroscopic binaries among Hipparcos M giants'. I. Data, orbits, and intrinsic variations