An Etymological Dictionary of Astronomy and Astrophysics

A → Seyfert galaxy, which is the central, dominant member of the large and relatively nearby → Perseus cluster of galaxies.
A powerful source of X-rays and radio emission, NGC 1275 accretes matter (→ accretion) as
intercluster material falls into it, ultimately feeding a → supermassive black hole (SMBH) at the galaxy’s core. NGC 1275, hosts a narrow-line radio source, Perseus A (3C 84), which interacts with the intracluster gas through its jets and bipolar outflows.

See also: NGC, → New General Catalogue.