3C 321

3C 321 is a system of two galaxies rotating around each other. They are notable for showing the first observed galaxy smiting another galaxy with a blast of energy, which is theorized to be from a supermassive black hole at the center of the former galaxy.

3C 321
Galaxy system 3C 321. A stream of energy is erupting from the "Death Star Galaxy" at bottom-left, striking its companion galaxy at top-right.
Observation data
ConstellationSerpens
Right ascension15h 31m 42.7s
Declination+24° 04′ 25.00″
Redshift0.0961[1]
Distance1.2 billion ly (370 Mpc)
(Light travel time)[1]

The larger galaxy, dubbed the "Death Star Galaxy" by NASA astronomers, has an energetic jet directed towards its companion. The discovery was announced by NASA on 18 December 2007. Observation of the enormous jet was possible due to the combined efforts of both space and ground-based telescopes.

Tools included NASA's Chandra X-ray Observatory, Hubble Space Telescope, Spitzer Space Telescope, the Very Large Array, and the Multi-Element Radio Linked Interferometer Network.

References
  1. "NASA/IPAC Extragalactic Database". Results for 3C 321. Retrieved 2010-04-26.

Further reading
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