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  Resolving the Magnetic Field of IRAS 16293-2422 with ALMA

Sadavoy, S., Myers, P., Stephens, I. W., Tobin, J., Kwon, W., Segura-Cox, D., et al. (2019). Resolving the Magnetic Field of IRAS 16293-2422 with ALMA. In American Astronomical Society Meeting Abstracts #233.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-D26C-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-D26D-4
Genre: Conference Paper

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https://ui.adsabs.harvard.edu/abs/2019AAS...23312702S (Any fulltext)
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 Creators:
Sadavoy, Sarah1, Author
Myers, Philip1, Author
Stephens, Ian W.1, Author
Tobin, John1, Author
Kwon, Woojin1, Author
Segura-Cox, Dominique1, Author
Henning, Thomas K.1, Author
Commercon, Benoit1, Author
Looney, Leslie1, Author
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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 Abstract: We present ALMA high-resolution dust polarization observations of IRAS 16293-2422. The dust polarization and inferred magnetic field are well resolved across the protostellar sources and the filamentary structures seen between them. The magnetic field is aligned parallel to the filamentary structures rather than showing a pinched morphology expected for accreting stars. We construct a simple toy model to investigate the energy balance in the filamentary bridge of dust and gas between the stars. We find high gas flow rates such that the bridge should be short- lived, and we propose that it is either a transient structure or must otherwise accrete new material. The parallel magnetic fields seen in IRAS 16293 are an unique feature and future theoretical work will need to understand both their origin and their impact on the evolution of young stars.

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 Dates: 2019
 Publication Status: Issued
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Title: American Astronomical Society Meeting Abstracts #233
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Start-/End Date: 2019

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Title: American Astronomical Society Meeting Abstracts #233
Source Genre: Proceedings
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