{"paper":{"title":"Flashlights: An Off-Caustic Lensed Star at Redshift $z$ = 1.26 in Abell 370","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adi Zitrin, Alexei V. Filippenko, Amruth Alfred, Ashish Kumar Meena, Jose M. Diego, Liliya L. R. Williams, Masamune Oguri, Miriam Golubchik, Patrick L. Kelly, Rui Zhou, Sung Kei Li, Tom Broadhurst, Wenlei Chen","submitted_at":"2022-11-02T18:00:18Z","abstract_excerpt":"We report the discovery of a transient seen in a strongly lensed arc at redshift $z_{\\rm s}=1.2567$ in \\emph{Hubble Space Telescope} imaging of the Abell 370 galaxy cluster. The transient is detected at $29.51\\pm0.14$ AB mag in a WFC3/UVIS F200LP difference image made using observations from two different epochs, obtained in the framework of the \\emph{Flashlights} program, and is also visible in the F350LP band ($m_{\\rm F350LP} \\approx 30.53\\pm0.76$ AB mag). The transient is observed on the negative-parity side of the critical curve at a distance of $\\sim 0.6\"$ from it, greater than previous e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.01402","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/2211.01402/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"}