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X-ray 'Echoes' Probe Habitat
of Monster Black Hole

Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. The discovery promises a new way to unravel what's happening in the neighborhood of these powerful objects.
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More information on this topic available at:
http://www.nasa.gov/topics/universe/features/xray-echo.html

Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. When the black hole's X-ray source flares, its accretion disk reflects the emission about half an hour later. The discovery promises a new way to unravel what's happening in the neighborhood of these powerful objects.    Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. When the black hole's X-ray source flares, its accretion disk reflects the emission about half an hour later. The discovery promises a new way to unravel what's happening in the neighborhood of these powerful objects.

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Duration: 1.2 minutes
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  1280x720 (59.94 fps) QT         695 MB
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  960x540 (29.97 fps) MPEG-4   32 MB
  1280x720 (30 fps) QT         23 MB
  1280x720 (29.97 fps) WMV         18 MB
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  640x360 (29.97 fps) MPEG-4   13 MB
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Animation of fly-in to AGN cross-section showing the flare sequence happening twice.    Animation of fly-in to AGN cross-section showing the flare sequence happening twice.
Duration: 25.8 seconds
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Animation of flare sequence happening twice, as viewed from slightly above the plane of the accretion disk.    Animation of flare sequence happening twice, as viewed from slightly above the plane of the accretion disk.
Duration: 18.9 seconds
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The galaxy NGC 4151 is located about 45 million light-years away toward the constellation Canes Venatici. Activity powered by its central black hole make it one of the brightest active galaxies in X-rays. Credit: David W. Hogg, Michael R. Blanton, and the Sloan Digital Sky Survey Collaboration    The galaxy NGC 4151 is located about 45 million light-years away toward the constellation Canes Venatici. Activity powered by its central black hole make it one of the brightest active galaxies in X-rays.

Credit: David W. Hogg, Michael R. Blanton, and the Sloan Digital Sky Survey Collaboration

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Cut-away view of AGN with solar system overlayed to scale.    Cut-away view of AGN with solar system overlayed to scale.

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Cut-away view of AGN flare with solar system overlayed to scale.    Cut-away view of AGN flare with solar system overlayed to scale.

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Tilted cut-away view of AGN with solar system overlayed to scale.    Tilted cut-away view of AGN with solar system overlayed to scale.

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Titled cut-away view of AGN flare with solar system overlayed to scale.    Titled cut-away view of AGN flare with solar system overlayed to scale.

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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?10942
Animation Number:10942
Completed:2012-03-20
Animator:Scott Wiessinger (USRA) (Lead)
Video Editor:Scott Wiessinger (USRA)
Narrator:Scott Wiessinger (USRA)
Producer:Scott Wiessinger (USRA)
Writers:Francis Reddy (Syneren Technologies)
 Scott Wiessinger (USRA)
Series:Narrated Movies
 Astrophysics Animations
 Astrophysics Stills
 Astrophysics Features
Goddard TV Tape:G2012-033 -- AGN Flare
Please give credit for this item to:
NASA/Goddard Space Flight Center. However, individual images should be credited as indicated above.
 
Keywords:
SVS >> Galaxy
SVS >> HDTV
SVS >> Music
SVS >> Satellite
SVS >> X-ray
SVS >> Black Hole
SVS >> Astrophysics
SVS >> Solar System
SVS >> Edited Feature
DLESE >> Narrated
SVS >> XMM-Newton observatory
SVS >> Active Galactic Nucleus
Science paper:http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2966.2012.20587.x/abstract
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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