NGC 1275 in the Perseus Cluster
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TL;DR
NGC 1275, the active central galaxy of the Perseus Cluster, emits X-rays and radio waves as it accretes matter, feeding a supermassive black hole. Its long filaments of gas, held together by magnetic fields, persist despite galactic collisions.
NGC 1275 in the Perseus Cluster
Image Credit & Copyright: Michal Wierzbinski, Hellas-Sky
Explanation: Active galaxy NGC 1275 is the central, dominant member of the large and relatively nearby Perseus Cluster of Galaxies. Wild-looking at visible wavelengths, the active galaxy is also a prodigious source of x-rays and radio emission. NGC 1275 accretes matter as entire galaxies fall into it, ultimately feeding a supermassive black hole at the galaxy's core. Narrowband image data used in this sharp telescopic image highlights the resulting galactic debris and filaments of glowing gas, some up to 20,000 light-years long. The filaments persist in NGC 1275, even though the turmoil of galactic collisions should destroy them. What keeps the filaments together? Observations indicate that the structures, pushed out from the galaxy's center by the black hole's activity, are held together by magnetic fields. Also known as Perseus A, NGC 1275 itself spans over 100,000 light years and lies about 230 million light years away.