Efficient methanol production on the dark side of a prestellar core

Jorma Harju, Jaime E. Pineda, Anton I. Vasyunin +23

We present ALMA maps of the starless molecular cloud core Ophiuchus/H-MM1 in the lines of deuterated ammonia (ortho-NH2D), methanol (CH3OH), and sulphur monoxide (SO). The dense co…