Also found at https://icecube.wisc.edu/news/research/2016/10/neutrinos-and-gamma-rays-partnership-to-explore-extreme-universe/

Image: Juan Antonio Aguilar and Jamie Yang. IceCube/WIPAC


Figure 1.2 from 
@incollection{Filipovi2021,
  doi = {10.1088/2514-3433/ac2256ch1},
  url = {https://doi.org/10.1088/2514-3433/ac2256ch1},
  year = {2021},
  month = dec,
  publisher = {{IOP} Publishing},
  author = {Miroslav D Filipovi{\'{c}} and Jeffrey L Payne and Nicholas F H Tothill},
  title = {Multimessenger Astronomy in Practice: Celestial Sources in Action},
  booktitle = {Multimessenger Astronomy in Practice}
}