# NGC 660

> galaxy

**Wikidata**: [Q1038026](https://www.wikidata.org/wiki/Q1038026)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_660)  
**Source**: https://4ort.xyz/entity/ngc-660


## References

1. SIMBAD
2. A catalog of visually classified galaxies in the local (z ~ 0.01) universe
3. The most luminous starbursts in the Universe
4. The GALEX Ultraviolet Atlas of Nearby Galaxies
5. The Two Micron All Sky Survey (2MASS)
6. The SDSS Photometric Catalog, Release 7
7. Cosmicflows-3
8. Galaxy groups: a 2MASS catalog
9. Active galactic nuclei in the Sloan Digital Sky Survey. I. Sample selection
10. Cosmicflows-2: the data
11. Strongly star forming galaxies in the local Universe with nebular He II {lambda}4686 emission