# NGC 4439

> open cluster in Crux

**Wikidata**: [Q1111469](https://www.wikidata.org/wiki/Q1111469)  
**Source**: https://4ort.xyz/entity/q1111469


## References

1. SIMBAD
2. VizieR
3. Astrophysical parameters of Galactic open clusters
4. Proper motions of the optically visible open clusters based on the UCAC4 catalog