Extragalactic Gamma-Ray Background From Fermi Large Area Telescope Observations
Автор: SciTech Daily
Загружено: 2024-01-15
Просмотров: 553
Описание:
https://scitechdaily.com/unidentified...
The scientists combined 13 years of Fermi Large Area Telescope observations of gamma rays above about 3 billion electron volts (GeV), removed all discrete sources and stripped out the central plane of our Milky Way galaxy in order to analyze the extragalactic gamma-ray background. Analysis of the resulting data revealed a part of the sky where more high-energy gamma rays are arriving than average. The direction is not precisely known. The circles show regions where there is a 68% and a 95% chance of containing the origin of these gamma rays for one analysis approach.
Credit: NASA's Goddard Space Flight Center
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