Celestial hemisphere:  Southern  ·  Constellation: Centaurus (Cen)  ·  Contains:  NGC 5128
Centaurus-A, Greg Allegretti
Centaurus-A
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Centaurus-A

Centaurus-A, Greg Allegretti
Centaurus-A
Powered byPixInsight

Centaurus-A

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Description

The irregular galaxy is a strong radio source (a "Seifert galaxy") and shows large jets in x-ray and radio wavelengths. The velocity of these jets has been found to reach half of the speed of light. They are the result of mater being spun away from the region closely surrounding a massive black hole at the center of the galaxy.

It is speculated that this oddly formed galaxy is the result of a collision between a large elliptical galaxy and a smaller spiral galaxy.

This image was captured with a 20" f/4.5 remotely controlled telescope at Siding Spring, Australia.

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Centaurus-A, Greg Allegretti