Fig. 1

G10.6−0.4: searches for
NH+ and
p-NH
show no detections at the source velocity −3 km s-1 (marked in blue) or the line-of-sight absorption at
10–55 km s-1
(marked in red). The ortho-NH2 and CH3OH emission lines originate in the
G10.6−0.4 molecular
cloud.
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