Spitzer Infrared Array Camera (IRAC) color-composite image of Tr 16-SE and the pillar G 287.75−0.66; the image is composed of the 3.6 μm image in the blue color channel, the 4.2 μm image in the green color channel, and the 5.8 μm image in the red color channel. North is up, and east is to the left. The white 4′ × 4′ square marks the region of the pillar G 287.75−0.66, and the circles show the KMOS patrol fields for the B (blue), F (red), and C (yellow) observations. North is up, and east is to the left. The early O-type stars in Tr 16-SE are marked by the empty violet star symbols; their names and spectral types are given in the annotation. Furthermore, some of the brightest infrared sources (including the S-type star 2MASS J10453185-5951094) are annotated.