Fig. 3.

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Physical scales and prominent (jet) components in M 87 on a logarithmic scale with the region excluded by this work shaded in gray. This work (Sect. 3.2) excludes the region ≳4.6 kpc as the origin of the VHE gamma-ray emission of the low state of M 87. The half-light radius of the stars, R1/2 ≈ 7.2 kpc (Weil et al. 1997), and the dimensions of the radio lobes are also shown. The order of magnitude of the size of the EHT ring-like structure (∼10−3 pc) is shown (The Event Horizon Telescope Collaboration 2019; The EHT MWL Science Working Group 2021). The measured extension from Centaurus A is shown for comparison (Abdalla et al. 2020a).
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