# Q67850207

> galaxy cluster

**Wikidata**: [Q67850207](https://www.wikidata.org/wiki/Q67850207)  
**Source**: https://4ort.xyz/entity/q67850207


## References

1. [Source](https://noirlab.edu/public/images/noirlab2524a/)
2. SIMBAD
3. The L_X_-{sigma} relation for galaxies and clusters of galaxies
4. Galaxy clusters discovered via the Sunyaev-Zel'dovich effect in the first 720 square degrees of the South Pole Telescope survey
5. A systematic study of X-ray variability in the ROSAT all-sky survey