# IC 1998

> galaxy

**Wikidata**: [Q3692986](https://www.wikidata.org/wiki/Q3692986)  
**Source**: https://4ort.xyz/entity/q3692986


## References

1. SIMBAD
2. VizieR
3. Demographics of Sloan Digital Sky Survey galaxies along the Hubble sequence
4. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
5. The Two Micron All Sky Survey (2MASS)
6. Galaxy groups: a 2MASS catalog