NGC 1638
NGC 1638 is a lenticular galaxy located in the constellation of Eridanus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 1638:
| NGC: | NGC 1638 |
| Type: | galaxy |
| Galaxy type: | lenticular |
| Galaxy morph class: | S0 |
| Constellation: | Eridanus |
| Surface brightness: | 23.4 mag/arcsec2 |
| V-mag (visual): | 12.2 |
| B-mag (blue): | 13.1 |
| J-mag (IR): | 10.0 |
| H-mag (IR): | |
| K-mag (IR): | 9.42 |
| Right Ascension: | 04:41:36.51 |
| Declination: | -01:48:32.50 |
| Major axis: | 2.08 ' |
| Minor axis: | 1.26 ' |
| Angle (major axis): | 67° |
| Radial velocity: | 3342 km/s |
| Redshift: | 0.011211 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS