Determining the Composition of Interstellar Dust with Far-Infrared Polarimetry
by Brandon Hensley, Peter Ashton, Francois Boulanger, David T. Chuss, Susan E. Clark, Jacques Delabrouille, B. T. Draine, Hans Kristian Eriksen, Laura Fissel, Raphael Flauger, Aurelien Fraisse, Vincent Guillet, Al Kogut, C. R. Lawrence, Alex Lazarian, Daniel Lenz, Giles Novak, Mathieu Remazeilles, Ian Stephens, Ingunn Wehus, and Andrea Zonca
Published onMay 31, 2019
Determining the Composition of Interstellar Dust with Far-Infrared Polarimetry
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Abstract
Does interstellar dust come in distinct silicate and carbonaceous varieties, or are interstellar grains a homogeneous mishmash of different materials? We argue that sensitive dust polarimetry from ~100-850 μm can provide a definitive test, with implications ranging from the evolution of metals in the ISM to component separation in CMB experiments.
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