Image Details
Caption: Figure 54.
2.5 beamwidth diameter aperture and 10 beamwidth diameter annulus that we use in Table 4, centroided on Cassiopeia A, from the right panel of Figure 43. Outlying pixels within the annulus, corresponding to Airy rings, other sources, etc., have been eliminated (compare to Figure 43). Square-root scaling is used to emphasize fainter structures.
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