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Fig. 4


SOFI JHKs images of the CG 1 YSO. The lower panels show the original image. The filter is indicated in the upper left corner of each panel. The size of the lower panels is 46″ by 46″. The upper panels (23″ by 23″) show surface brightness contours overlayed on Gaussian smoothed images. The line in the upper Ks panel shows the orientation of the SOFI slit on the nebulosity (see Sect. 3.2). The cross in all the panels indicates the position of the semistellar YSO. The contour levels in SOFI counts are: Js: 2 to 5 by 1 and (in white) 6; H : 3 to 23 by 5, (in white) 28, 36, 50, 70; Ks: 3 to 23 by 5, (in white) 28 to 112 by 16, and 200 to 600 by 80.

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