On the Three-Dimensional Structure of Local Molecular Clouds
Catherine Zucker,
Alyssa Goodman,
João Alves
et al.
Abstract:We leverage the 1 pc spatial resolution of the 3D dust map to characterize the three-dimensional structure of nearby molecular clouds (d 400 pc). We start by "skeletonizing" the clouds in 3D volume density space to determine their "spines," which we project on the sky to constrain cloud distances with ≈ 1% uncertainty. For each cloud, we determine an average radial volume density profile around its 3D spine and fit the profiles using Gaussian and Plummer functions. The radial volume density profiles are well-… Show more
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