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Fig. 12.


Spacial distributions of YSOs on the three-color image created using the Spitzer 3.6 (blue), 4.5 (green), and 8.0 (red) μm IRAC band filters. Class I candidates are shown by green circles, while Class II candidates are shown by yellow crosses. The white contours are the same as shown in the top panel of Fig. 1.

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