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Ultraluminous Galaxy Merger NGC 6240
 

 

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Summary

Description
English: This image of a pair of colliding galaxies called NGC 6240 shows them in a rare, short-lived phase of their evolution just before they merge into a single, larger galaxy. The prolonged, violent collision has drastically altered the appearance of both galaxies and created huge amounts of heat -- turning NGC 6240 into an "infrared luminous" active galaxy.

A rich variety of active galaxies, with different shapes, luminosities and radiation profiles exist. These galaxies may be related -- astronomers have suspected that they may represent an evolutionary sequence. By catching different galaxies in different stages of merging, a story emerges as one type of active galaxy changes into another. NGC 6240 provides an important "missing link" in this process.

This image was created from combined data from the infrared array camera of NASA's Spitzer Space Telescope at 3.6 and 8.0 microns (red) and visible light from NASA's Hubble Space Telescope (green and blue).
Date
Source https://www.spitzer.caltech.edu/images/2011-ssc2009-06a-Galaxies-Collide-to-Create-Hot-Huge-Galaxy
Author NASA/JPL-Caltech/STScI-ESA/S. Bush (Harvard-Smithsonian CfA)

Image use policy: https://www.spitzer.caltech.edu/info/18-Image-Use-Policy

Licensing

Public domain This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)

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Photo's description:
This image of a pair of colliding galaxies called NGC 6240 shows them in a rare, short-lived phase of their evolution just before they merge into a single, larger galaxy. The prolonged, violent collision has drastically altered the appearance of both galaxies and created huge amounts of heat -- turning NGC 6240 into an "infrared luminous" active galaxy. A rich variety of active galaxies, with different shapes, luminosities and radiation profiles exist. These galaxies may be related -- astronomers have suspected that they may represent an evolutionary sequence. By catching different galaxies in different stages of merging, a story emerges as one type of active galaxy changes into another. NGC 6240 provides an important "missing link" in this process. This image was created from combined data from the infrared array camera of NASA's Spitzer Space Telescope at 3.6 and 8.0 microns (red) and visible light from NASA's Hubble Space Telescope (green and blue). Date 5 June 2009 Source http://www.spitzer.caltech.edu/images/2011-ssc2009-06a-Galaxies-Collide-to-Create-Hot-Huge-Galaxy Author NASA/JPL-Caltech/STScI-ESA/S. Bush (Harvard-Smithsonian CfA) Image use policy: http://www.spitzer.caltech.edu/info/18-Image-Use-Policy [edit] Licensing Public domainPublic domainfalsefalse
Licensing:
Public Domain


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EXIF data:
File name ultraluminous_galaxy_merger_ngc_6240.jpg
Size, Mbytes 5.4005791015625
Mime type image/jpeg
Orientation of image 1
Image resolution in width direction 300
Image resolution in height direction 300
Unit of X and Y resolution 2
Color space information 65535
Exif image width 2400
Exif image length 3000
Software used Adobe Photoshop CS3 Macintosh




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