Figure 2 from The Disk Substructures at High Angular Resolution Project (DSHARP). I. Motivation, Sample, Calibration, and Overview

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The Disk Substructures at High Angular Resolution Project (DSHARP). I. Motivation, Sample, Calibration, and Overview

Authors: Sean M. Andrews, Jane Huang, Laura M. Pérez, Andrea Isella, Cornelis P. Dullemond, Nicolás T. Kurtovic, Viviana V. Guzmán, John M. Carpenter, David J. Wilner, Shangjia Zhang, Zhaohuan Zhu, Tilman Birnstiel, Xue-Ning Bai, Myriam Benisty, A. Meredith Hughes, Karin I. Öberg, and Luca Ricci

2018 The Astrophysical Journal Letters 869 L41.

Provider: AAS Journals

Caption: Figure 2.

Illustration of the effects of spatial frequency coverage and visibility weighting on PSF structure and image morphology, for the RU Lup disk. The top panels show the observed u, v coverage. The middle panels show the corresponding PSF structures, annotated with the corresponding robust weighting parameter. The bottom panels show the corresponding images, on the same T_b scale, created from subsets of the end product of the self-calibration. FWHM beam dimensions are marked in the lower left corners of each image.

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