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Morphologies of protostellar outflows: an ALMA view


Peters, T; Klaassen, P D; Seifried, D; Banerjee, R; Klessen, R S (2014). Morphologies of protostellar outflows: an ALMA view. Monthly Notices of the Royal Astronomical Society, 437(3):2901-2908.

Abstract

The formation of stars is usually accompanied by the launching of protostellar outflows. Observations with the Atacama Large Millimeter/sub-millimeter Array (ALMA) will soon revolutionize our understanding of the morphologies and kinematics of these objects. In this paper, we present synthetic ALMA observations of protostellar outflows based on numerical magnetohydrodynamic collapse simulations. We find significant velocity gradients in our outflow models and a very prominent helical structure within the outflows. We speculate that the disc wind found in the ALMA Science Verification Data of HD 163296 presents a first instance of such an observation.

Abstract

The formation of stars is usually accompanied by the launching of protostellar outflows. Observations with the Atacama Large Millimeter/sub-millimeter Array (ALMA) will soon revolutionize our understanding of the morphologies and kinematics of these objects. In this paper, we present synthetic ALMA observations of protostellar outflows based on numerical magnetohydrodynamic collapse simulations. We find significant velocity gradients in our outflow models and a very prominent helical structure within the outflows. We speculate that the disc wind found in the ALMA Science Verification Data of HD 163296 presents a first instance of such an observation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Date:January 2014
Deposited On:01 Oct 2014 12:34
Last Modified:05 Apr 2016 18:23
Publisher:Oxford University Press
ISSN:0035-8711
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1093/mnras/stt2104

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