# Q85950815

> RR Lyrae variable star in the constellation Serpens

**Wikidata**: [Q85950815](https://www.wikidata.org/wiki/Q85950815)  
**Source**: https://4ort.xyz/entity/q85950815


## References

1. SIMBAD
2. A spectroscopic study of the RR Lyrae stars
3. Probing the outer galactic halo with RR Lyrae from the Catalina surveys
4. General Catalogue of Variable Stars, 3rd ed.
5. Gaia Data Release 2
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Gaia Data Release 3
10. On the Use of Field RR Lyrae as Galactic Probes. III. The α-element Abundances
11. On the Use of Field RR Lyrae as Galactic Probes. II. A New ΔS Calibration to Estimate Their Metallicity