{"paper":{"title":"New developments in aerosol measurements using stellar photometry","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Du\\v{s}an Mand\\'at, Ivana Ebrov\\'a, Jakub Jury\\v{s}ek, Jan Ebr, Ji\\v{r}\\'i Bla\\v{z}ek, Ji\\v{r}\\'i Eli\\'a\\v{s}ek, Martin Jel\\'inek, Martin Ma\\v{s}ek, Michael Prouza, Miroslav Pech (for the Pierre Auger Collaboration, Petr Jane\\v{c}ek (for the CTA Consortium), Petr Tr\\'avn\\'i\\v{c}ek, Ronan Cunniffe, Sergey Karpov, the CTA Consortium)","submitted_at":"2018-12-14T11:20:02Z","abstract_excerpt":"The idea of using stellar photometry for atmospheric monitoring for optical experiments in high-energy astrophysics is seemingly straightforward, but reaching high precision of the order of 0.01 in the determination of the vertical aerosol optical depth (VAOD) has proven difficult. Wide-field photometry over a large span of altitudes allows a fast determination of VAOD independently of the absolute calibration of the system, while providing this calibration as a useful by-product. Using several years of data taken by the FRAM (F/(Ph)otometric Robotic Atmospheric Monitor) telescope at the Pierr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.05861","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":""},"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"}