# HD 193721

> astrometric binary in Octans

**Wikidata**: [Q113115002](https://www.wikidata.org/wiki/Q113115002)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HD_193721)  
**Source**: https://4ort.xyz/entity/hd-193721


## 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)