# NGC 4031

> galaxy

**Wikidata**: [Q2001376](https://www.wikidata.org/wiki/Q2001376)  
**Source**: https://4ort.xyz/entity/ngc-4031


## References

1. SIMBAD
2. VizieR
3. The North Galactic Pole +30° Zone Galaxies. I. A Comparative Study of Galaxies with Different Nuclear Activity
4. The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment
5. The Updated Zwicky Catalog (UZC)
6. Gaia Data Release 2
7. The Two Micron All Sky Survey (2MASS)
8. Galaxy groups: a 2MASS catalog