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Recent studies by LHAASO have shown the presence of high-luminosity PeVatronsin our Galaxy. We examine two notable sources, each consisting of two pulsars,detected by LHAASO. We study multimessenger emissions from these pulsars,including gamma rays and particles. We simulated particle propagationthroughout the Galaxy using the GALPROP software, accounting for emission fromenergy losses due to spin-down. As a result, we present the particle spectragenerated during this propagation phase along with the corresponding gamma rayemission. Furthermore, we used the Gammapy software to perform gamma raymeasurements from these sources in anticipation of future analyses to becarried out with the CTA observatory, which is now under development. Theresults indicate that CTA may be able to observe these sources and demonstratethe significant influence of gamma rays produced by proton propagation on thehigh-energy gamma ray spectra.

A gamma ray study of Galactic PeVatron candidates LHAASO J1825-1236 and J1839-0545