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ESO 306-17
 

 

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Description This image from the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope highlights the large and bright elliptical galaxy called ESO 306-17 in the southern sky.

In this image, it appears that ESO 306-17 is surrounded by other galaxies but the bright galaxies at bottom left are thought to be in the foreground, not at the same distance in the sky. In reality, ESO 306-17 lies fairly abandoned in an enormous sea of dark matter and hot gas.

Researchers are also using this image to search for nearby ultra-compact dwarf galaxies. Ultra-compact dwarfs are mini versions of dwarf galaxies that have been left with only their core due to interaction with larger, more powerful galaxies. Most ultra-compact dwarfs discovered to date are located near giant elliptical galaxies in large clusters of galaxies, so it will be interesting to see if researchers find similar objects in fossil groups.
Date 4 March 2010(2010-03-04)
Source
Author NASA, ESA and Michael West (ESO)
Permission
(Reusing this file)
w:en:Creative Commons
attribution		 This file is licensed under the Creative Commons Attribution 3.0 Unported license.
ESA logo.svg
Attribution: ESA/Hubble
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w:en:Creative Commons
attribution		 This file is licensed under the Creative Commons Attribution 2.0 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
Checked copyright icon.svg This image, originally posted to Flickr, was reviewed on March 6, 2010 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the above license on that date.
Photo's description:
This image from the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope highlights the large and bright elliptical galaxy called ESO 306-17 in the southern sky.
Licensing:
Creative Commons Attribution 3.0 Unported


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EXIF data:
File name eso_306-17.jpg
Size, Mbytes 5.6076953125
Mime type image/jpeg




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