# NGC 4004

> galaxy in the constellation Leo

**Wikidata**: [Q1108468](https://www.wikidata.org/wiki/Q1108468)  
**Source**: https://4ort.xyz/entity/ngc-4004


## 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. Galaxy groups: a 2MASS catalog
7. The Star Formation Reference Survey. I. Survey description and basic data