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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 8.

AV, ﹩{R}_{\widetilde{VI}}﹩, and α maps shown of three regions of contrasting environments in the outskirts of VV 191b that are well backlit by the foreground galaxy, VV 191a. The maps are zoomed in to the three regions to be analyzed at small scales. Region A (red) closely resembles a dense spiral arm. Region B (green) is a less dense tendril branch to a spiral arm. Region C (blue) is on the edge or possibly outside of the galaxy disk.

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