volume 13, issue S332, P395-402 2017
DOI: 10.1017/s1743921317007037
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Catherine Walsh, Shreyas Vissapragada, Harry McGee

Abstract: Gas-phase methanol was recently detected in a protoplanetary disk for the first time with ALMA. The peak abundance and distribution of methanol observed in TW Hya differed from that predicted by chemical models. Here, the chemistry of methanol gas and ice is calculated using a physical model tailored for TW Hya with the aim to contrast the results with the recent detection in this source. New pathways for the formation of larger complex molecules (e.g., ethylene glycol) are included in an updated chemical mod…

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