NGC 5090 and NGC 5091

NGC 5090 and NGC 5091 are a set of galaxies approximately 160 e6ly away in the constellation Centaurus. They are in the process of colliding and merging with some evidence of tidal disruption of NGC 5091.

NGC 5090 is an elliptical galaxy while NGC 5091 is a barred spiral galaxy. The radial velocity of the nucleus of NGC 5090 has been measured at 3185 km/s, while NGC 5091 has a radial velocity of 3429 km/s. NGC 5090 is associated with the strong, double radio source PKS 1318-43.

One supernova has been observed in NGC 5090: SN 1981C (type unknown, mag. 14.5).