# NGC 4509

> galaxy

**Wikidata**: [Q1112132](https://www.wikidata.org/wiki/Q1112132)  
**Source**: https://4ort.xyz/entity/ngc-4509


## References

1. SIMBAD
2. VizieR
3. A catalog of visually classified galaxies in the local (z ~ 0.01) universe
4. CAIRNS: the cluster and infall region nearby survey. I. Redshifts and mass profiles
5. The Updated Zwicky Catalog (UZC)
6. The Two Micron All Sky Survey (2MASS)
7. The SDSS Photometric Catalog, Release 7
8. Imaging and spectroscopic observations of the Case survey blue/emission-line galaxies
9. The Star Formation Reference Survey. I. Survey description and basic data