# Q83591449

> RR Lyrae variable star in the constellation Cygnus

**Wikidata**: [Q83591449](https://www.wikidata.org/wiki/Q83591449)  
**Source**: https://4ort.xyz/entity/q83591449


## References

1. SIMBAD
2. The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
3. Gaia Data Release 2
4. General Catalogue of Variable Stars, 3rd ed.
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Kinematics of metal-poor stars in the Galaxy. II. Proper motions for a large nonkinematically selected sample
9. The luminosities and distance scales of type II Cepheid and RR Lyrae variables