# Q83778448

> RR Lyrae variable star in the constellation Cygnus

**Wikidata**: [Q83778448](https://www.wikidata.org/wiki/Q83778448)  
**Source**: https://4ort.xyz/entity/q83778448


## References

1. SIMBAD
2. Summary of delta-S metallicity measurements for bright RR Lyrae variables observed at Lick Observatory and KPNO between 1972 and 1987
3. Gaia Data Release 2
4. General Catalogue of Variable Stars, 3rd ed.
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Gaia Data Release 3
9. On the Use of Field RR Lyrae as Galactic Probes. III. The α-element Abundances