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Fig. 2

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Nicer extinction map of the Corona Australis cloud complex. The resolution of the map is FWHM = 3 arcmin and covers an area of ~870 deg2. About 10.7 million stars from the 2MASS database were used in the construction of this map. This figure suggests an empirical division of two structurally different cloud components: 1) a “head” comprising the denser (AK > 0.1 mag), highly structured filament; and 2) a “tail” of more diffuse, less structured cloud material.

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