# Q74976326
**Wikidata**: [Q74976326](https://www.wikidata.org/wiki/Q74976326)  
**Source**: https://4ort.xyz/entity/q74976326


## References

1. SIMBAD
2. Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc
3. Exploring the variable sky with LINEAR. III. Classification of periodic light curves
4. Study of globular cluster M53: new variables, distance, metallicity
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The SEGUE stellar parameter pipeline. IV. Validation with an extended sample of galactic globular and open clusters
7. The Catalina surveys periodic variable star catalog
8. Gaia Data Release 2