The Fermi Bubbles as a Superbubble

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DOI: 10.4236/ijaa.2018.82015    864 Downloads   2,119 Views  Citations
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ABSTRACT

In order to model the Fermi bubbles we apply the theory of the superbubble (SB). A thermal model and a self-gravitating model are reviewed. We introduce a third model based on the momentum conservation of a thin layer which propagates in a medium with an inverse square dependence for the density. A comparison has been made between the sections of the three models and the section of an observed map of the Fermi bubbles. An analytical law for the SB expansion as a function of the time and polar angle is deduced. We derive a new analytical result for the image formation of the Fermi bubbles in an elliptical framework.

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Zaninetti, L. (2018) The Fermi Bubbles as a Superbubble. International Journal of Astronomy and Astrophysics, 8, 200-217. doi: 10.4236/ijaa.2018.82015.

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