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Fig. 6


Closure phase values at λ = 1.3 mm for the disk model and jet model for the triangle formed by the CARMA-Hawaii-SMTO baselines. Rows show inclination angles between the observer’s line of sight and the BH spin axis with values of i = 30°, 60°, 90°, 120°, and 150° (from top to bottom) with the left column displaying the disk model and the right column the jet model. Solid colored lines represent the simulated measurements at different BH spin position angles of PA = 0°, 30°, 60°, 90°, 120°, 150°, and 180° west of north (the images shown in the second column of Figs. 4 and 5 are rotated in the clock-wise direction). The horizontal dotted lines represent values of ±40° closure phase as measured by Fish et al. (2011) over a 3.5 h interval. The gap between UT = 0–5 h is due to the lack of baselines visible from Sgr A* during this period of time for this triangle.

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