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News Release Archive:

News Release 279 of 958

April 24, 2008 09:00 AM (EDT)

News Release Number: STScI-2008-16

Cosmic Collisions Galore!

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Image: Hubble Interacting Galaxy IC 2545

Hubble Interacting Galaxy IC 2545

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ABOUT THIS IMAGE:

IC 2545 is a beautiful, but deceptive object that appears to be a single S-shaped galaxy, but is actually a pair of merging galaxies. The two cores of the parent galaxies are still visible in the central region. Other telltale markers for the collision include two pronounced tidal arms of gas and stars flung out from the central region. The tidal arm curving upwards and clockwise in the image contains a number of blue star clusters. IC 2545 glows strongly in the infrared part of the spectrum - another sign that it is a pair of merging galaxies. It lies in the constellation of Antlia, the Air Pump, some 450 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 24th April 2008.

Object Names: IC 2545, AM 1003-333

Image Type: Astronomical

Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University)

Technical facts about this image:

About the Object
Object Name: IC 2545, AM 1003-333
Object Description: Interacting Galaxies
Position (J2000): 10 06 05.04
-33 53 14.8
Constellation: Antlia
Distance: 450 million light-years (150 million parsecs)
About the Data
Data Description: The Hubble image was created using HST data from proposal 10592: A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University)
Instrument: ACS/WFC
Exposure Date(s): November 5, 2001
Exposure Time: 34 minutes
Filters: F435W (B) and F814W (I)
About the Image
Image Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University)
Release Date: April 24, 2008

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