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An Introduction to FERMI Bubbles

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An Introduction to FERMI Bubbles

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  1. An active area of research at NCU is the study of FERMI Bubbles.  FERMI Bubbles are highly energetic gamma ray lobes which extend above and below the galactic center.  A current proposed explanation for the existence of these lobes is a periodic star-capture process in the Super-Massive Black Hole (SMBH) at the center of our galaxy.  The extreme tidal forces rip stars apart as they are absorbed by the SMBH, causing a large expulsion of energy outwards.  These photons are relativistic and are in the gamma ray region of the electromagnetic spectrum. Future Exploration An Introduction to FERMI Bubbles Alternate Mechanisms PLUTO is a piece of software which can be downloaded freely onto any computer. It provides the capability of numerically solving Astrophysical Fluid Dynamics problems via conservation laws and finite-volume and finite-difference approaches. PLUTO: An Astrophysical Hydrodynamics Code Successes Sod Shock-Tube In order to create a suitable model for the FERMI Bubble phenomenon, the initialization files within the PLUTO directory must be modified in order to suit the problem at hand. Unfortunately, it took six weeks for me to fully learn how to manipulate said files, and I did not have time to create a presentable FERMI Bubble model. Office of International Programs, SUNY Oswego Dr. ShashiKanbur, SUNY Oswego Dr. Chung-Ming Ko, NCU 逸雯 National Central University, Graduate Institute of Astronomy National Science Foundation's Office of International Science and Engineering award number 1065093 Office of International Programs, NCU Another proposed mechanism for the presence of these mysterious FERMI Bubbles has to do with the possible existence of dark matter particles. Astrophysicists believe that super-massive black holes, much like the one at the center of our galaxy, emit jets. These jets can interact with dark matter particles, causing a release of photons National Central University, Zhongli, Taiwan SUNY Oswego, Oswego, NY David O’Neill, Dr. Chung-Ming Ko PLUTO: Applications to FERMI Bubble Modeling Acknowledgements In the future, I hope to apply the knowledge I obtained with PLUTO, and create more suitable FERMI Bubble models. The current version of PLUTO allows for solving systems of fluid dynamics equations in: Classical hydrodynamics (Euler equations) Magnetohydrodynamics (MHD) Special Relativistic hydrodynamics (RHD) Special Relativistic MHD Orszag-Tang Vortex Sedov-Taylor Blastwave Fermi has been collecting gamma-ray spectrum data for about three years using the Large Area telescope. Using this data, they attempted to probe reliable conclusions which support the dark matter interaction theory.

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