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Mapping Interstellar Dust in the Foreground Outer Disk of Overlapping Galaxy Pair VV 191 with HST and JWST

  • Authors: Clayton D. Robertson, Benne W. Holwerda, Jessica M. Berkheimer, Trevor Butrum, Ian Castellano, Kyle W. Cook, William C. Keel, Anton M. Koekemoer, Divya Patel, Maria del Carmen Polletta, Rogier A. Windhorst

Clayton D. Robertson et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 5.

Left: map of the power-law index α used to fit the interstellar attenuation law in the NIR. The map is approximated using the linear slope of the log–log equation of the power law through n = 1000 Monte Carlo iterations. Right: the uncertainties of α, Δα. Each uncertainty pixel is the standard error (﹩\sigma /\sqrt{n}﹩) of the mean of the Monte Carlo distributions.

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