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Hubble Views a Beautiful Luminous Galaxy

Lower left: Bright-white sphere of stars that is more diffuse toward its edges. Band of brown streaks arcs from the sphere's lower left to upper right where a face-on barred spiral galaxy shines in the distance. Black background dotted with stars.
The lenticular galaxy NGC 5283 is the subject of this NASA Hubble Space Telescope image. NGC 5283 contains an active galactic nucleus, or AGN. An AGN is an extremely bright region at the heart of a galaxy where a supermassive black hole exists. When dust and gas fall into the black hole, the matter heats up and emits light across the electromagnetic spectrum. NGC 5283 is a Seyfert galaxy. About 10 percent of all galaxies are Seyfert galaxies, and they differ from other galaxies that contain AGNs because the galaxy itself is clearly visible. Other AGNs emit so much radiation that they outshine or make it impossible to observe the structure of their host galaxy! Hubble observed this galaxy as part of a survey for a dataset about nearby AGNs, which will serve as a resource for astronomers investigating AGN physics, black holes, host galaxy structure, and more.
NASA, ESA, A. Barth (University of California - Irvine), and M. Revalski (STScI); Processing: Gladys Kober (NASA/Catholic University of America)

The lenticular galaxy NGC 5283 is the subject of this NASA Hubble Space Telescope image. NGC 5283 contains an active galactic nucleus, or AGN. An AGN is an extremely bright region at the heart of a galaxy where a supermassive black hole exists. When dust and gas fall into the black hole, the matter heats up and emits light across the electromagnetic spectrum.

NGC 5283 is a Seyfert galaxy. About 10 percent of all galaxies are Seyfert galaxies, and they differ from other galaxies that contain AGNs because the galaxy itself is clearly visible. Other AGNs emit so much radiation that they outshine or make it impossible to observe the structure of their host galaxy!

Hubble observed this galaxy as part of a survey for a dataset about nearby AGNs, which will serve as a resource for astronomers investigating AGN physics, black holes, host galaxy structure, and more.

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Claire Andreoli
NASA's Goddard Space Flight Center, Greenbelt, MD
301-286-1940

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Last Updated
Oct 06, 2023
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