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Fig. 3


0.5–7 keV counts image of Zw 1742+3306 compared with maps of temperature, abundance, pseudo-density, pseudo-pressure, and pseudo-entropy. Map pixels are about 2.5′′ in size, and correspond to circular spectral extraction regions of radius 4–20′′ in radius containing >1500 net counts. Uncertainties on temperature, density, and pressure/entropy are less than 10%, 5%, and 11%, respectively. Abundance ranges from 0.15 (purple) to ~1.5 (red) solar, but uncertainties on abundance are large, generally ~50%. The apparent low abundances associated with the coolest region are probably caused by multi-temperature gas along the line of sight. The BCG (white circle) and the front to the west (white arc) are indicated.

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