{"paper":{"title":"PAHSPECS: Spatially Resolved PAH Spectroscopy at cosmic noon with JWST MIRI MRS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Cristina M. Lofaro, Fergus R. Donnan, Gerg\\\"o Popping, Hanae Inami, Irene Shivaei, Karin Sandstrom, Leindert A. Boogaard, Manuel Aravena, Pablo G. P\\'erez-Gonz\\'alez, Paul P. van der Werf, Roberto Decarli, Rom\\'an Fern\\'andez Aranda, Tanio D\\'iaz-Santos","submitted_at":"2026-06-16T17:58:59Z","abstract_excerpt":"We present spatially resolved spectroscopy with JWST/MIRI MRS of a representative sample of normal star-forming galaxies at $z\\sim1.1$ as part of the PAHSPECS program. To extract emission from Polycyclic Aromatic Hydrocarbon (PAH) features, we forward model the data cubes with non-parametric spatial distributions, accounting for convolution with the PSF. With this method we are able to recover accurate spatial profiles of the 3.3 $\\mu$m, 6.2 $\\mu$m, 7.7 $\\mu$m, 11.3 $\\mu$m PAHs and [ArII] (6.98 $\\mu$m) emission and produce PAH ratio maps at cosmic noon. From the PAH ratio maps we find that PAH"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18244","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.18244/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}