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Stellar Wind Disruption by an Orbiting Neutron Star: Neutron Star Close-up

A tiny neutron star orbits incessantly around a massive star with a diameter a million times larger than its own. The high luminosity of the massive star drives a strong wind from its surface. The neutron star crashes through this wind at over 300 kilometers per second. The gravity and X-ray luminosity of the neutron star act to disrupt the wind, producing an extended wake of dense gas trailing behind the neutron star. The large scale structure seen in the accretion wake is powered by the release of gravitational potential energy near the surface of the neutron star.
The numerical simulations depicted here were computed using the Cray X-MP 48 at the National Center for Supercomputing Applications, University of Illinois, Urbana-Champaign.
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A close-up of the neutron star and its tidal wake    A close-up of the neutron star and its tidal wake
Duration: 40.0 seconds
Available formats:
  352x240     MPEG-1   5 MB
  720x480     DV             145 MB
  640x480     MPEG       8 MB
  720x480     PNG           396 KB
  320x180     PNG           54 KB
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Video slate image reads    Video slate image reads "The large scale structure seen in the accretion wake is powered by the release of gravitational potential energy near the surface of the neutron star."

Available formats:
  720 x 528         JPEG     79 KB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?7
Animation Number:7
Completed:1990-07-10
Animators:John Blondin (NASA/GSFC) (Lead)
 Alan McConnell (NASA)
Scientists:Ian Stevens (NASA/GSFC)
 Tim Kallman (NASA/GSFC)
 Bruce Fryxell (University of Arizona)
 Ron Taam (Northwestern University)
 John Blondin (NASA/GSFC)
Series:Neutron Star Tidal Distortion
Video:SVS1990-0001 *
Please give credit for this item to:
NASA/Goddard Space Flight Center
Scientific Visualization Studio
 
Keywords:
SVS >> Neutron Star
DLESE >> Space science
SVS >> Stellar Wind
SVS >> X-ray
Science paper:Blondin, J. M., Kallman, T. R. , Fryxell, B. A., Taam, R. E., Hydrodynamic Simulations of Stellar Wind Disruption by a Compact X-ray Source, ApJ, 356, 591-608, 1990
 
 


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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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