Seeing through the fog: Pinpointing youngstars and their protoplanetarydisks AAS_Publishing
with Catherine Espaillat, a CAS associate professor of astronomy and coauthor on the new paper, looking at the disks surrounding the stars and doing detailed modeling of the structures of the disk.
When the stars emit light, it's unpolarized . But as the light passes through the dense molecular cloud, that light becomes polarized—the light waves oscillate in one direction—due to the properties of the dust grains and theembedded in the cloud. The researchers used a near-infrared polarimeter at BU's Perkins Telescope Observatory to measure the polarization of light passing through the cloud.
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