# HU Librae

> long-period variable star in the constellation Libra

**Wikidata**: [Q75788213](https://www.wikidata.org/wiki/Q75788213)  
**Source**: https://4ort.xyz/entity/hu-librae


## References

1. SIMBAD
2. VizieR
3. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
4. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings
8. Gaia Data Release 2
9. Source
10. The radial velocity experiment (RAVE): fourth data release