Fig. 2
Spitzer IRAC maps at 3.6, 4.5, 5.8, and 8.0 μm. The dashed line shows the outline of the regions covered by NIR observations. The brightest star east of the area covered by NIR observations is S CrA. The other bright source in the southern end of the images (at δ2000 = −37°3′42″) corresponds to the blended image of the stars HD 176269 and HD 176270.
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