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We present six case studies from a broad mass range ($1 - 10^9$ $M_\odot$) ofastrophysical objects, each of which exhibit signs of jets and emit intensehigh energy gamma rays ($>10$ GeV). Many of these objects also emit spatiallyidentifiable ultra high energy cosmic rays (UHECRs). In all cases it is foundthat wakefield acceleration (WFA) explains both the global properties anddetails. For blazars, we also explain the temporal structure of these signals,which includes neutrinos, and the correlations in their "bursts" andanti-correlation in flux and index. Blazars ($\sim 10^9$ $M_\odot$), radiogalaxies ($\sim 10^8\, M_{\odot}$), Seyfert galaxies ($\sim 10^6 \,M_{\odot}$),starburst galaxies ($\sim 10^{3}\, M_{\odot}$), down to microquasars ($1 \sim10$ $M_\odot$) interestingly exhibit the same physics since the nature of theaccretion and acceleration is independent of the mass, aside from maximumvalues. It is possible to accelerate electrons to energies much greater than$10$ GeV, and protons beyond $10^{20}$ eV with WFA. We compare observationalvalues with theoretical ones to illustrate they are in good agreement. Thismechanism is also accompanied by related emissions, such as high-energypin-pointed neutrinos, time varying radio, optical, and X-ray emissions,opening an opportunity to characterize these astrophysical objects viamulti-messenger approaches.

Astrophysical Evidence of Wakefield Acceleration in Galactic and Extragalactic Jets via Gamma Rays and UHECRs