Observing and modeling the gamma-ray emission from pulsar/pulsar wind nebula complex PSR J0205+6449/3C 58

Abstract

We present the results of the analysis of 8 years of Fermi-LAT data of the pulsar/pulsar wind nebula complex PSR J0205+6449/3C 58. Using a contemporaneous ephemeris, we carried out a detailed analysis of PSR J0205+6449 both during its off-peak and on-peak phase intervals. 3C 58 is significantly detected during the off-peak phase interval. We show that the spectral energy distribution at high energies is the same disregarding the phases considered, and thus that this part of the spectrum is most likely dominated by the nebula radiation. We present results of theoretical models of the nebula and the magnetospheric emission that confirm this interpretation. Possible high-energy flares from 3C 58 were searched for, but none was unambiguously identified.

arXiv comment16 pages, 5 figures, 1 table; Accepted for publication in ApJ

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• {\it NuSTAR} hard X-ray studies of the pulsar wind nebula 3C~58
• Outflow and Emission Model of Pulsar Wind Nebulae with the Back-reaction of Particle Diffusion
• Probing the hadronic nature of the gamma-ray emission associated with Westerlund 2
• Exploiting Morphological Data from Pulsar Wind Nebulae via a Spatio-Temporal Leptonic Transport Code
• SED modelling of broadband emission in the pulsar wind nebula 3C 58
• A polarized view of the young Pulsar Wind Nebula 3C 58 with IXPE
• Spatially decomposed $\gamma$-ray features surrounding SNR Kes 79 & PSR J1853+0056
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• Optical microflares in LS I +61 303 and the search for their multiwavelength counterpart
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