Gas versus dust sizes of protoplanetary discs: effects of dust evolution

Context. The extent of the gas in protoplanetary discs is observed to be universally larger than the extent of the dust. This is often attributed to radial drift and grain growth of the millimetre grains, but line optical depth produces a similar observational signature. Aims. We investigate in whic...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2019-09, Vol.629, p.A79
Hauptverfasser:	Trapman, L., Facchini, S., Hogerheijde, M. R., van Dishoeck, E. F., Bruderer, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular resolution astrochemistry Carbon monoxide Cosmic dust Drift Dust Evolution Grain growth line: formation methods: numerical molecular processes Optical thickness Planet formation Protoplanetary disks radiative transfer
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