File:NASA's Fermi, Swift See 'Shockingly Bright' Burst (before and after labels).jpg

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Summary

Description	English: The maps in this animation show how the sky looks at gamma-ray energies above 100 million electron volts (MeV) with a view centered on the north galactic pole. The first frame shows the sky during a three-hour interval prior to GRB 130427A. The second frame shows a three-hour interval starting 2.5 hours before the burst, and ending 30 minutes into the event. The Fermi team chose this interval to demonstrate how bright the burst was relative to the rest of the gamma-ray sky. This burst was bright enough that Fermi autonomously left its normal surveying mode to give the LAT instrument a better view, so the three-hour exposure following the burst does not cover the whole sky in the usual way.
Date	03.05.13
Source	http://www.nasa.gov/topics/universe/features/shocking-burst.html
Author	NASA/DOE/Fermi LAT Collaboration

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:29, 4 May 2013		2,121 × 1,242 (1.15 MB)	wikimediacommons>Stas1995	{{Information \|Description ={{en\|1=The maps in this animation show how the sky looks at gamma-ray energies above 100 million electron volts (MeV) with a view centered on the north galactic pole. The first frame shows the sky during a three-hour inte...

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