# IC 1639

> galaxy

**Wikidata**: [Q3693606](https://www.wikidata.org/wiki/Q3693606)  
**Source**: https://4ort.xyz/entity/q3693606


## References

1. SIMBAD
2. VizieR
3. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
4. The Updated Zwicky Catalog (UZC)
5. Gaia Data Release 2
6. The Two Micron All Sky Survey (2MASS)
7. RESOLVE survey photometry and volume-limited calibration of the photometric gas fractions technique
8. Galaxy groups: a 2MASS catalog
9. Groups of Galaxies in the Two Micron All Sky Redshift Survey