# NGC 3440

> galaxy

**Wikidata**: [Q1104771](https://www.wikidata.org/wiki/Q1104771)  
**Source**: https://4ort.xyz/entity/ngc-3440


## References

1. SIMBAD
2. VizieR
3. A catalog of visually classified galaxies in the local (z ~ 0.01) universe
4. The Spitzer mid-infrared active galactic nucleus survey. I. Optical and near-infrared spectroscopy of obscured candidates and normal active galactic nuclei selected in the mid-infrared
5. The GALEX Ultraviolet Atlas of Nearby Galaxies
6. The Two Micron All Sky Survey (2MASS)
7. The SDSS Photometric Catalog, Release 7
8. Cosmicflows-3