# HD 133131

> binary star system in the constellation Libra

**Wikidata**: [Q26791534](https://www.wikidata.org/wiki/Q26791534)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HD_133131)  
**Source**: https://4ort.xyz/entity/hd-133131


## References

1. SIMBAD
2. Double stars of equal components
3. Washington Double Star Catalog
4. The Magellan PFS planet search program: radial velocity and stellar abundance analyses of the 360 au, metal-poor binary "Twins" HD 133131A & B
5. Validation of the new Hipparcos reduction
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. Extrasolar Planets Encyclopaedia