NGC 640
NGC 640 is a barred spiral galaxy located in the constellation of Cetus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 640:
| NGC: | NGC 640 |
| Type: | galaxy |
| Galaxy type: | barred spiral |
| Galaxy morph class: | SBa |
| Constellation: | Cetus |
| Surface brightness: | 23.2 mag/arcsec2 |
| V-mag (visual): | 15.5 |
| B-mag (blue): | 15.4 |
| J-mag (IR): | 12.8 |
| H-mag (IR): | |
| K-mag (IR): | 12.2 |
| Right Ascension: | 01:39:24.88 |
| Declination: | -09:24:04.20 |
| Major axis: | 0.76 ' |
| Minor axis: | 0.43 ' |
| Angle (major axis): | 147° |
| Radial velocity: | 7407 km/s |
| Redshift: | 0.02502 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS