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Morphologies of protostellar outflows: An ALMA view

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arxiv 1310.7356 v1 pith:Q5IUJMDA submitted 2013-10-28 astro-ph.SR astro-ph.GA

Morphologies of protostellar outflows: An ALMA view

classification astro-ph.SR astro-ph.GA
keywords almaoutflowsprotostellarmorphologiesobservationsaccompaniedarrayatacama
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The formation of stars is usually accompanied by the launching of protostellar outflows. Observations with the Atacama Large Millimetre/sub-millimetre Array (ALMA) will soon revolutionalise 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 disk wind found in the ALMA Science Verification Data of HD 163296 presents a first instance of such an observation.

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