# Q89780154
**Wikidata**: [Q89780154](https://www.wikidata.org/wiki/Q89780154)  
**Source**: https://4ort.xyz/entity/q89780154


## References

1. SIMBAD
2. The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment
3. The Two Micron All Sky Survey (2MASS)
4. Gaia Data Release 2
5. Galaxy groups: a 2MASS catalog