# HD 133981

> star in the constellation Apus

**Wikidata**: [Q10847983](https://www.wikidata.org/wiki/Q10847983)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HD_133981)  
**Source**: https://4ort.xyz/entity/hd-133981


## References

1. SIMBAD
2. VizieR
3. Source
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system