# HW Librae

> RR Lyrae variable star in the constellation Libra

**Wikidata**: [Q86580942](https://www.wikidata.org/wiki/Q86580942)  
**Source**: https://4ort.xyz/entity/hw-librae


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. The first INTEGRAL-OMC catalogue of optically variable sources
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Source
7. Gaia Early Data Release 3
8. The Sixth Data Release of the Radial Velocity Experiment (RAVE). II. Stellar Atmospheric Parameters, Chemical Abundances, and Distances
9. Gaia Data Release 2
10. The radial velocity experiment (RAVE): fourth data release