| name | type | Apparent magnitude | Ascension (°) | date discovered | Declination (°) | Constellation | galaxy | Discovered_by | galactic longitude (°) | galactic latitude (°) | inclination (°) | Redshift | log(diameter) (log(0.1 arcmin)) | Date of maximum light | Position Epoch | Spectral type | confirmed | Average Radial Velocity (km/s) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NGC 4639 | Type I | 13 | 191 | 22/06/1990 | 13 | Virgo (constellation) | PGC 42741 | 294.36719 | 75.98690 | 49 | 1 | Yes | 989,000 |