# [CHM2007] HDC 667
**Wikidata**: [Q67623446](https://www.wikidata.org/wiki/Q67623446)  
**Source**: https://4ort.xyz/entity/-chm2007-hdc-667


## References

1. SIMBAD
2. Compact groups in the UZC galaxy sample
3. Groups of Galaxies in the Two Micron All Sky Redshift Survey
4. Galaxy groups: a 2MASS catalog
5. The UZC-SSRS2 group catalog