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Hubble Interacting Galaxy UGC 5101
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Name: UGC 5101
Description: Interacting Galaxies
Position: RA 09h 35m 51.67s Dec 61° 21' 14.0"
Constellation: Ursa Major
Distance: 500 million light-years (150 million parsecs)
Exposure Dates: January 28, 2002
Exposure Time: 38 minutes
Filters: F435W (B) and F814W (I)
Image Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration & A. Evans (U of Virginia, Charlottesville/NRAO/Stony Brook University)
Publication Date: April 24, 2008

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UGC 5101 is a peculiar galaxy with a single nucleus contained within an unstructured main body that suggests a recent interaction and merger. UGC 5101 is thought to contain an active galactic nucleus an extremely bright, compact core - buried deep in the gas and dust. A pronounced tail extends diagonally to the top-right of the frame. A fainter halo of stars surrounds the galaxy and is visible in the image, due to Hubble s ability to collect and detect faint light. This halo is probably a result of the earlier collision. UGC 5101 is about 550 million light-years away from Earth.

This image is part of a large collection of 59 images of merging galaxies taken by the Hubble Space Telescope and released on the occasion of its 18th anniversary on April 24, 2008