# JKCS 041

> the farthest galaxy group ever observed

**Wikidata**: [Q1676625](https://www.wikidata.org/wiki/Q1676625)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/JKCS_041)  
**Source**: https://4ort.xyz/entity/jkcs-041


## References

1. VizieR
2. Freebase Data Dumps. 2013
3. JKCS 041: a colour-detected galaxy cluster at $z_{\mathrm{phot}}$ ~ 1.9 with deep potential well as confirmed by X-ray data
4. IDCS J1426.5+3508: the most massive galaxy cluster at z > 1.5