NGC 5090 and NGC 5091

NGC 5090 and NGC 5091 are a set of galaxies approximately 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 , while NGC 5091 has a radial velocity of . NGC 5090 is associated with the strong, double radio source PKS 1318-43.

Supernovae

Three supernovae have been observed in NGC 5090:

• SN 1981C (type unknown, mag. 14.5) was discovered by Chilean astronomer José Maza Sancho on 2 March 1981.
• SN 2025cy (TypeIa, mag. 18.03) was discovered by BlackGEM on 1 January 2025.
• SN 2026bgd (TypeIa, mag. 18.208) was discovered by ATLAS on 24 January 2026.

See also

• ESO 269-57
• NGC 2207 and IC 2163
• NGC 6872 and IC 4970
• List of NGC objects (5001–6000)

References

External links

• "Of Holes in the Sky and Pretty Galaxies" by the European Southern Observatory