Paper:	Constraining the Abundances of Complex Organics in the Inner Regions of Solar-Type Protostars
Volume:	499, Revolution in Astronomy with ALMA: The Third Year
Page:	223
Authors:	López-Sepulcre, A.; Taquet, V.; Ceccarelli, C.; Neri, R.; Kahane, C.; Charnley, S. B.
Abstract:	We present arcsecond-resolution observations, obtained with the IRAM Plateau de Bure interferometer, of multiple complex organic molecules in two hot corino protostars: IRAS 2A and IRAS 4A, in the NGC 1333 star-forming region. The distribution of the line emission is very compact, indicating the presence of COMs is mostly concentrated in the inner hot corino regions. A comparison of the COMs abundances with astrochemical models favours a gas-phase formation route for CH3OCH3, and a grain formation of C2H5OH, C2H5CN, and HCOCH2OH. The high abundances of methyl formate (HCOOCH3) remain underpredicted by an order of magnitude.

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