# IC 4638

> galaxy

**Wikidata**: [Q3682044](https://www.wikidata.org/wiki/Q3682044)  
**Source**: https://4ort.xyz/entity/q3682044


## References

1. SIMBAD
2. VizieR
3. Demographics of Sloan Digital Sky Survey galaxies along the Hubble sequence
4. The SDSS Photometric Catalog, Release 7
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Data Release 2
7. The Two Micron All Sky Survey (2MASS)