Complex organic molecules toward low-mass and high-mass star forming regions

Abstract : One of the most important questions in molecular astrophysics is how, when, and where complex organic molecules, COMs (≥ 6 atoms) are formed. In the Interstellar-Earth connection context, could this have a bearing on the origin of life on Earth? Formation mechanisms of COMs, which include potentially prebiotic molecules, are still debated and may include grain-mantle and/or gas-phase chemistry. Understanding the mechanisms that lead to the interstellar molecular complexification, along with the involved physicochemical processes, is mandatory to answer the above questions. In that context, active researches are ongoing in theory, laboratory experiment, chemical modeling and observations. Thanks to recent progress in radioastronomy instrumentation for both single-dish and millimeter array (e.g. Herschel, NOEMA, ALMA), new results have been obtained. I will review some notable results on the detection of COMs, including prebiotic molecules, towards star forming regions.
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C. Favre, C. Ceccarelli, B. Lefloch, E. Bergin, M. Carvajal, et al.. Complex organic molecules toward low-mass and high-mass star forming regions. SF2A-2016: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: C. Reylé, J. Richard, L. Cambrésy, M. Deleuil, E. Pécontal, L. Tresse and I. Vauglin, held 14-17 June, 2016 at the Centre de Recherche Astrophysique de Lyon, pp.321-325, Jun 2016, Lyon, France. pp.321 - 325. ⟨hal-01462860⟩



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