Constraints on the steady and pulsed very high energy gamma-ray emission from observations of PSR B1951+32/CTB 80 with the MAGIC Telescope
Abstract
We report on very high energy gamma-observations with the MAGIC Telescope of the pulsar PSR B1951+32 and its associated nebula, CTB 80. Our data constrain the cutoff energy of the pulsar to be less than 32 GeV, assuming the pulsed gamma-ray emission to be exponentially cut off. The upper limit on the flux of pulsed gamma-ray emission above 75 GeV is 4.3*10-11 photons cm-2 sec-1, and the upper limit on the flux of steady emission above 140 GeV is 1.5*10-11 photons cm-2 sec-1. We discuss our results in the framework of recent model predictions and other studies.
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