active galaxy

C31365
concept

An active galaxy is a galaxy whose central region emits exceptionally large amounts of energy across the electromagnetic spectrum, powered by matter accreting onto a supermassive black hole.

All labels observed (6)

Label Occurrences
active galaxy canonical 7
radio galaxy 5
Seyfert 2 galaxy 2

Instances (14)

Instance Via concept surface
NGC 7319
Messier 87 radio galaxy
NGC 5128 radio galaxy
NGC 4945
NGC 4388
NGC 4579
NGC 4639
NGC 4374 radio galaxy
NGC 4486 radio galaxy
3C 84 blazar-like AGN
Lacerta
surface form: BL Lacertae
blazar
NGC 4696 radio galaxy
NGC 7314
NGC 7172 Seyfert 2 galaxy