Keith Bechtol
(KICP, University of Chicago)
04/05/2015, 15:30
High-Energy Gamma-Ray Astrophysics
Due to their proximity, high dark matter content, and apparent absence of non-thermal processes, Milky Way dwarf spheroidal satellite galaxies (dSphs) are excellent targets for the indirect detection of dark matter. Recently, eight new dSph candidates were discovered using the first year of data from the Dark Energy Survey (DES). We searched for gamma-ray emission coincident with the positions...
Mr
Ian Wisher
(University of Wisconsin - Madison)
04/05/2015, 15:50
High-Energy Gamma-Ray Astrophysics
The flux of many TeV gamma-ray emitters exhibits time variability. Detection of these flaring states across multiple wavelengths will lead to a better understanding of the acceleration processes occurring in the source. The High-Altitude Water Cherenkov (HAWC) Observatory is an extensive air-shower detector located near Pico de Orizaba in Mexico which is sensitive to TeV gamma rays. Designed...
Mr
Kenny, Chun Yu NG
(CCAPP, The Ohio State University)
04/05/2015, 16:10
High-Energy Gamma-Ray Astrophysics
The Sun is a bright gamma ray source due to interactions between cosmic rays and the solar atmosphere. These gamma rays were detected from 0.1 to 10 GeV by Fermi with 18 months of data, and were found to be in disagreement with theoretical predictions. In this work we update the measurement using 6 years of Fermi data. The improved statistics allow us to detect the gamma rays up to 100 GeV...
Prof.
B. S. Acharya
(WIPAC and Tata Institute of Fundamental Research)
04/05/2015, 16:30
High-Energy Gamma-Ray Astrophysics
Work on VHE gamma-ray astronomy using the Atmospheric Cherenkov Technique started in India way back in 1969,soon after the discovery of pulsars. The latest in this series of experiments is the HiGRO project located at very high altitude (4.3km), at Hanle in the Ladakh region of Himalayas. In the first phase of this project 7 telescope array called HAGAR was installed the year 2008. It is an...