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Tiny grains shining bright in the gaps of Herbig Ae transitional discs

Birchall, Eloise; Ireland, Michael; Federrath, Christoph; Monnier, J. D.; Kraus, Stefan; Willson, Matthew; Kraus, A L; Rizzuto, Aaron C.; Agnew, Matthew T; Maddison, Sarah T


This work presents a study of two Herbig Ae transitional discs, Oph IRS 48 and HD 169142; which both have reported rings in their dust density distributions. We use Keck-II/NIRC2 adaptive optics imaging observations in the L′ filter (3.8 μm) to probe the regions of these discs inwards of ∼20au from the star. We introduce our method for investigating these transitional discs, which takes a forward modelling approach: making a model of the disc (using the Monte Carlo radiative transfer code...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stz1061
Access Rights: Open Access


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