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Long Baseline Observations of the HD 100546 Protoplanetary Disk with ALMA

  • Authors: Sebastián Pérez, Simon Casassus, Antonio Hales, Sebastián Marino, Anthony Cheetham, Alice Zurlo, Lucas Cieza, Ruobing Dong, Felipe Alarcón, Pablo Benítez-Llambay, Ed Fomalont, and Henning Avenhaus

2020 The Astrophysical Journal Letters 889 L24.

  • Provider: AAS Journals

Caption: Figure 2.

(a) Sharpened version of the 1.3 mm continuum map I1.3 mm shown in Figure 1(a), using an unsharp-masking procedure to enhance the fine structure of the continuum ring. The image is deprojected to show a face-on view. (b) Surface brightness profiles from the original I1.3 mm image. The blue solid line corresponds to the azimuthally averaged radial profile, while the family of thin gray curves correspond to profiles extracted from 3.°6 wedges covering the full azimuthal range. The solid red curve shows the azimuthally averaged profile of the sharpened imaged shown in panel (a). The shaded area around the profile corresponds to the dispersion around the mean. (c) Polar deprojection of I1.3 mm, zoomed on the continuum ring. The circle in (a) and (c) shows the approximate location of the Doppler flip seen in 12CO gas.

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