ALMA Polarimetric Studies of Rotating Jet/Disk Systems

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Title: ALMA Polarimetric Studies of Rotating Jet/Disk Systems
Authors: Bacciotti, FrancescaGirart, Josep MiquelPadovani, MarcoCoffey, Deirdreet al.
Permanent link: http://hdl.handle.net/10197/11159
Date: 2-Aug-2019
Online since: 2019-10-18T09:28:28Z
Abstract: We have recently obtained polarimetric data at mm wavelengths with ALMA for the young systems DG Tau and CW Tau, for which the rotation properties of jet and disk have been investigated in previous high angular resolution studies. The motivation was to test the models of magneto-centrifugal launch of jets via the determination of the magnetic configuration at the disk surface. The analysis of these data, however, reveals that self-scattering of dust thermal radiation dominates the polarization pattern. It is shown that even if no information on the magnetic field can be derived in this case, the polarization data are a powerful tool for the diagnostics of the properties and the evolution of dust in protoplanetary disks.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Type of material: Conference Publication
Publisher: Springer
Series/Report no.: Astrophysics and Space Science Proceedings book series (ASSSP, volume 55)
Copyright (published version): 2019 Springer
Keywords: JetsOutflowsPolarizationDust propertiesDG TauCW Tau
DOI: 10.1007/978-3-030-14128-8_13
Language: en
Status of Item: Peer reviewed
Is part of: Saulty, C. JET Simulations, Experiments and Theory: Ten Years After JETSET. What is Next?
ISBN: 9783030141271
Appears in Collections:Physics Research Collection

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