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Constraints on the steady and pulsed very high energy Gamma-Ray emission from observations of PSR B1951+32/CTB 80 with the MAGIC Telescope
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We report on very high energy γ-ray 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 γ-ray emission to be exponentially cut off. In the case that the cutoff follows a superexponential behavior, the cutoff energy can be as high as ~60 GeV. The upper limit on the flux of pulsed γ-ray emission above 75 GeV is 4.3 × 10-11 photons cm-2 s-1, and the upper limit on the flux of steady emission above 140 GeV is 1.5 × 10-11 photons cm-2 s-1. We discuss our results in the framework of recent model predictions and other studies.
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PAREDES I POY, Josep Maria, et al. Constraints on the steady and pulsed very high energy Gamma-Ray emission from observations of PSR B1951+32/CTB 80 with the MAGIC Telescope. Astrophysical Journal. 2007. Vol. 669, num. 2, pags. 1143-1149. ISSN 0004-637X. [consulted: 12 of August of 2026]. Available at: https://hdl.handle.net/2445/150832