Fig. A.6

Top: grayscale of the 8 μm GLIMPSE image of GMF 54.0-52.0. The white contour shows the 13CO integrated intensity of 2 K km s-1. The blue star shows the location of W 52, and the blue circles show CORNISH detections of Hii regions. Bottom: color scale of the centroid velocity field from the GRS 13CO data where the integrated intensity is above 1 K km s-1 in the indicated velocity range, shown in the color bar in km s-1. The blue contour is ATLASGAL 870 μm emission of 250 mJy beam-1. In symbols, we show all vlsr measurements of BGPS clumps, indicating in circles those clumps that have velocities within the 13CO velocity range and with × those vlsr values outside of the 13CO velocity range. The diamonds are positions in the Wienen et al. (2012) catalog with a matching velocity. The black contours are the 13CO integrated intensity at 2 and 7 K km -1.
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