# NGC 4646

> galaxy

**Wikidata**: [Q1113177](https://www.wikidata.org/wiki/Q1113177)  
**Source**: https://4ort.xyz/entity/ngc-4646


## References

1. VizieR
2. SIMBAD
3. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
4. Gaia Data Release 2
5. The Two Micron All Sky Survey (2MASS)
6. Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope
7. Groups of Galaxies in the Two Micron All Sky Redshift Survey