Observing Large Scale Structures in the Gamma-Ray Sky

Pooja Surajbali , MPIK
The High Altitude Water Cherenkov (HAWC) observatory in Mexico (4100 m .a.s.l.) has just finished its first year of data taking and produced some interesting results. Because of its wide field of view it is currently a unique detector to study extended sources (>2 degree) at energies above a few TeV. One of the largest structures in the gamma-ray sky are the so-called Fermi bubbles, extending to the North and South from the milky way centre. At energies around 1TeV, and above, the HAWC observatory is in a unique position to make observations (or constrain the flux) of the bubbles. From the results of HAWC, modelling of the bubbles with a focus on the energy range above 500 GeV and improving the HAWC event reconstruction, both energy accuracy and flux sensitivity are expected to improve.
ITA "blackboard" Colloquium
28 Jan 2019, 11:15
Philosophenweg, 12, 106

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