Simulations of imaging the event horizon of Sagittarius A* from space

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Fig. 3.

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Signal-to-noise ratio (colored) for the spiral uv-points calculated with the system parameters in Table 1 (but with a 25 m reflector diameter in the bottom row) and scattered source models in Fig. 2. Contours indicate S/N values of 3, 5, 7, and 20.

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