# NGC 5660

> galaxy

**Wikidata**: [Q1121804](https://www.wikidata.org/wiki/Q1121804)  
**Source**: https://4ort.xyz/entity/ngc-5660


## References

1. VizieR
2. A catalog of visually classified galaxies in the local (z ~ 0.01) universe
3. SIMBAD
4. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
5. The Updated Zwicky Catalog (UZC)
6. Gaia Data Release 2
7. The Two Micron All Sky Survey (2MASS)
8. The SDSS Photometric Catalog, Release 7
9. Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope
10. The ATLAS3D project - I. A volume-limited sample of 260 nearby early-type galaxies: science goals and selection criteria