The MASSES Survey and Magnetic Fields in Filaments

Date: 
Wednesday, November 28, 2018 - 3:30pm PST
Speaker: 
Ian Stephens
Affiliation: 
CfA
Location: 
N232 R103
Event Type: 
Colloquium

This talk consists of two parts. The main part is about the SMA large-scale program MASSES (Mass Assembly of Stellar Systems and their Evolution with the SMA), which surveyed all 74 Class 0 and I protostars in the nearby Perseus Molecular Cloud. Low-mass stars form from the gravitational collapse of dense molecular cloud cores. The MASSES survey reveals the interplay between fragmentation, angular momentum, magnetic fields, and mass outflows in regulating accretion and setting the final masses of stars. I will overview the survey and highlight the key results. The data are publicly available. In the second part of the talk, I will discuss magnetic fields in star-forming filaments, with a particular focus on the highest mass filaments. I will show recent results from SOFIA HAWC+ of two high-mass star-forming filaments.

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