Fig. 1
Left panel: the positions of the background sources observed here are projected against a mosaic of cutouts of Planck Type 2 integrated CO emission: the color scale runs from 0 to 23 K-km s−1. The five sources comprising the group with small N(DNM) are noted with arrows. Right panel: the HCO+ absorption profiles in all directions, shifted vertically and scaled up in some cases.
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