# NGC 6940

> open cluster in Vulpecula

**Wikidata**: [Q1148670](https://www.wikidata.org/wiki/Q1148670)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_6940)  
**Source**: https://4ort.xyz/entity/ngc-6940


## References

1. New catalogue of optically visible open clusters and candidates
2. SIMBAD
3. On Structural Properties of Open Galactic Clusters and their Spatial Distribution. Catalog of Open Galactic Clusters
4. A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates
5. A RAVE investigation on Galactic open clusters
6. On the metallicity of open clusters
7. Integrated parameters of star clusters: a comparison of theory and observations
8. The orbits of open clusters in the Galaxy
9. Proper motions of the optically visible open clusters based on the UCAC4 catalog