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Polarization and Protostars: Uncovering the Role of Magnetic Fields in Star Formation
Wednesday, December 11, 2019 - 3:30pm PST
The field of star formation is rapidly changing with the development of high resolution and multi-wavelength instrumentation that observe dust polarization at far-infrared and (sub)millimeter wavelengths. With these facilities, we are now able to probe dust polarization in protostellar environments on scales of 10-5000 au, revealing the role of magnetic fields in their formation and evolution. In this presentation, I will present an overview of a high resolution dust polarization survey from ALMA and how such observations can be used to study the protostar multiplicity, disk structure, and the role of ideal and non-ideal magnetic effects on disk formation. I will also discuss the difficulties in probing magnetic fields down to disk scales and the need for multi-scale and multi-wavelength observations to complete the picture. Finally, I will highlight the role of SOFIA/HAWC+ in uncovering the role of magnetic fields in the formation of both stars and planets.