# NGC 4018

> galaxy

**Wikidata**: [Q780665](https://www.wikidata.org/wiki/Q780665)  
**Source**: https://4ort.xyz/entity/ngc-4018


## References

1. SIMBAD
2. VizieR
3. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
4. The Updated Zwicky Catalog (UZC)
5. The Two Micron All Sky Survey (2MASS)
6. The SDSS Photometric Catalog, Release 7
7. Groups of Galaxies in the Two Micron All Sky Redshift Survey
8. Galaxy groups: a 2MASS catalog
9. The Star Formation Reference Survey. I. Survey description and basic data