# DD Librae

> RR Lyrae variable star in the constellation Libra

**Wikidata**: [Q84007638](https://www.wikidata.org/wiki/Q84007638)  
**Source**: https://4ort.xyz/entity/dd-librae


## References

1. SIMBAD
2. VizieR
3. Gaia Data Release 2
4. Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample
5. Discovery of ~9,000 new RR Lyrae in the southern Catalina surveys
6. The Catalina surveys periodic variable star catalog
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. The SDSS Photometric Catalog, Release 9
9. Source
10. Evidence for a Milky way tidal stream reaching beyond 100 kpc