Fig. 1.
Top, panels A and B: GRRT images for a Kerr black hole with a* = 0.6 including scattering effects (diffractive and refractive scattering) for two selected times t = 12.6 h and t = 23.6 h (dash-dotted line in the bottom panel) at a frequency of 230 GHz. The average image for 24 h of observation is presented in panel C. Bottom: simulated total flux light curve at 230 GHz for 24 h of observations. A typical EHT observation with a duration of 12 h is indicated.
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