JWST observations of z~1.1 galaxies produce PAH ratio maps showing larger and more neutral PAHs at larger radii, opposite local trends, linked to UV hardness via photo-destruction.
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JWST observations find constant ~1% PAH abundance in the M82 superwind to 5 kpc, consistent with shielding in surface layers of cool clouds and possible replenishment.
Detection of 13-day variability at 100 GHz suggests a Compton-thick AGN in the Antennae galaxies.
The document records key conclusions, challenges, and open questions from discussion sessions at a 2025 conference focused on interstellar, circumstellar, and galactic dust with emphasis on JWST and ALMA results.
citing papers explorer
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PAHSPECS: Spatially Resolved PAH Spectroscopy at cosmic noon with JWST MIRI MRS
JWST observations of z~1.1 galaxies produce PAH ratio maps showing larger and more neutral PAHs at larger radii, opposite local trends, linked to UV hardness via photo-destruction.
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JWST Observations of Starbursts: Dust Processing in the M82 Superwind
JWST observations find constant ~1% PAH abundance in the M82 superwind to 5 kpc, consistent with shielding in surface layers of cool clouds and possible replenishment.
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An AGN in the Antennae galaxies ?
Detection of 13-day variability at 100 GHz suggests a Compton-thick AGN in the Antennae galaxies.
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Summary of Discussion Sessions from "The Dusty Universe 2025: The Fifth Pandust Conference"
The document records key conclusions, challenges, and open questions from discussion sessions at a 2025 conference focused on interstellar, circumstellar, and galactic dust with emphasis on JWST and ALMA results.