SST-1M stereoscopic data detect VER J2019+368 at post-trial 6.5 sigma and measure a power-law spectrum with index 2.44 up to 100 TeV.
Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC
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abstract
We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov (HAWC) Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are observed above 56 TeV, all of which are likely Galactic in origin. Three sources continue emitting past 100 TeV, making this the highest-energy gamma-ray source catalog to date. We report the integral flux of each of these objects. We also report spectra for three highest-energy sources and discuss the possibility that they are PeVatrons.
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Observation of VER J2019+368 with the SST-1M stereoscopic system
SST-1M stereoscopic data detect VER J2019+368 at post-trial 6.5 sigma and measure a power-law spectrum with index 2.44 up to 100 TeV.