{"paper":{"title":"Studying [CII] Emission in Low-mass Galaxies at z ~ 7","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Andrea Ferrara, Brian C. Lemaux, Kelsey Glazer, Livia Vallini, Marusa Bradac, Patricia Bolan, Russell Ryan, Ryan L. Sanders, Seiji Fujimoto, Tucker Jones, Victoria Strait","submitted_at":"2023-09-20T18:00:02Z","abstract_excerpt":"We report on a $\\rm{[CII]}_{158\\mu\\rm{m}}$ search using the Atacama Large Millimeter/submillimeter Array (ALMA) on three lensed, confirmed {\\lya} emitting galaxies at $z \\sim 7$. Our targets are ultra-violet (UV) faint systems with stellar masses on the order of $M_{*} \\sim 10^{9} M_{\\odot}$. We detect a single [CII] line emission ($4\\sigma$) from the brightest ($L \\sim 2.4 \\times 10^{10}L_{\\odot}$) galaxy in our sample, MACS0454-1251. We determine a systemic redshift ($z_{\\rm{[CII]}} = 6.3151 \\pm 0.0005$) for MACS0454-1251 and measure a {\\lya} velocity offset of $\\Delta v \\approx 300 \\pm 70 \\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.11548","kind":"arxiv","version":2},"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/2309.11548/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"}