# Q77975615

> RR Lyrae variable star in the constellation Ursa Major

**Wikidata**: [Q77975615](https://www.wikidata.org/wiki/Q77975615)  
**Source**: https://4ort.xyz/entity/q77975615


## References

1. SIMBAD
2. Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc
3. The SDSS Photometric Catalog, Release 7
4. Gaia Data Release 2
5. The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch stars