# 4 Librae

> star in the constellation Libra

**Wikidata**: [Q3599185](https://www.wikidata.org/wiki/Q3599185)  
**Source**: https://4ort.xyz/entity/4-librae


## References

1. SIMBAD
2. Stellar parameters of Be stars observed with X-shooter
3. Hubble Space TelescopeAdvanced Camera for Surveys Coronagraphic Observations of the Dust Surrounding HD 100546
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. Gaia Early Data Release 3
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Gaia Data Release 2