# Q91490952

> RR Lyrae variable star in the constellation Serpens

**Wikidata**: [Q91490952](https://www.wikidata.org/wiki/Q91490952)  
**Source**: https://4ort.xyz/entity/q91490952


## References

1. SIMBAD
2. General Catalogue of Variable Stars, 3rd ed.
3. Mid-infrared period-luminosity relations of RR Lyrae stars derived from the AllWISE Data Release
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3)
7. Gaia Data Release 2
8. The luminosities and distance scales of type II Cepheid and RR Lyrae variables