# NGC 7557

> galaxy

**Wikidata**: [Q966422](https://www.wikidata.org/wiki/Q966422)  
**Source**: https://4ort.xyz/entity/ngc-7557


## References

1. SIMBAD
2. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
3. The Updated Zwicky Catalog (UZC)
4. Gaia Data Release 2
5. The Two Micron All Sky Survey (2MASS)
6. The Universality of the Fundamental Plane of E and S0 Galaxies: Spectroscopic Data
7. Galaxy groups: a 2MASS catalog
8. Groups of Galaxies in the Two Micron All Sky Redshift Survey