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[edit] Summary
From Spitzer Press Release:
- The central region of Stephan's Quintet, showing the complex web of galaxy-galaxy and galaxy-intergalactic medium interactions. The intergalactic shock wave, triggered by the 1000 km/s infall velocity of the intruder galaxy NGC7319b, is delineated by the ridge of Hydrogen emission (shown in green) which runs vertically through this image. NGC7319b is the compact blob, seen both in optical light (coded blue) and in infrared continuum (coded red) immediately to the right of this ridge.
- Image: NASA/JPL-Caltech
- This image is composed of three data sets: visible red light (blue) and visible light called H-alpha (green) from the Calar Alto Observatory in Spain, operated by the Max Planck Institute in Germany; and 8-micron infrared light (red) from Spitzer's infrared array camera.
Description |
Stephan's Quintet, NGC7317, NGC7318A, NGC7318B, NGC7319, NGC7320
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Source |
http://gallery.spitzer.caltech.edu/Imagegallery/image.php?image_name=ssc2006-08a
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Date |
2006/03/02
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Author |
P. Appleton (SSC/Caltech) K. Xu (SSC/Caltech) W. Reach (SSC/Caltech) M. Dopita (Australian National University) Y. Gao (Purple Mountain Observatory, China) N. Lu (SSC/Caltech) C. Popescu (Max Planck Institut fuer Kernphysik, Heidelberg, Germany) J. Sulentic (University of Alabama) R. Tuffs (Max Planck Institut fuer Kernphysik, Heidelberg, Germany) M. Yun (University of Massachusetts)
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Permission |
http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml
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[edit] Licensing
Image use policy.
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