NGC 4640
NGC 4640 is a lenticular galaxy located in the constellation Virgo. Some key stats include:
| NGC: | NGC 4640 |
| Type: | galaxy |
| Galaxy type: | lenticular |
| Galaxy morph class: | S0-a |
| Constellation: | Virgo |
| Surface brightness: | 23.8 mag/arcsec2 |
| B-magnitude (blue): | 14.1 |
| J-magnitude (IR): | 11.8 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 11.1 |
| Right Ascension: | 12:42:57.77 |
| Declination: | 12:17:13.10 |
| Major axis: | 1.61 ' |
| Minor axis: | 0.89 ' |
| Angle (major axis): | 53° |
| Radial velocity: | 1731 km/s |
| Redshift: | 0.00579 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula