# Q87972197

> RR Lyrae variable star in the constellation Libra

**Wikidata**: [Q87972197](https://www.wikidata.org/wiki/Q87972197)  
**Source**: https://4ort.xyz/entity/q87972197


## References

1. SIMBAD
2. Spectroscopy of hot stars in the Galactic halo
3. Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample
4. Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys
5. The Pan-STARRS release 1 (PS1) Survey - DR1
6. Fourth USNO CCD Astrograph Catalog
7. Gaia Data Release 2
8. Spectroscopy of hot stars in the galactic halo. III. Analysis of a large sample of field horizontal-branch and other A-type stars