# Q90977185

> RR Lyrae variable star in the constellation Apus

**Wikidata**: [Q90977185](https://www.wikidata.org/wiki/Q90977185)  
**Source**: https://4ort.xyz/entity/q90977185


## References

1. SIMBAD
2. Mid-infrared period-luminosity relations of RR Lyrae stars derived from the AllWISE Data Release
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
6. Kinematics of metal-poor stars in the Galaxy. II. Proper motions for a large nonkinematically selected sample
7. The luminosities and distance scales of type II Cepheid and RR Lyrae variables